制作“宇宙”模型
《制作“宇宙”模型作业设计方案》
《制作“宇宙”模型》作业设计方案一、设计背景在我们的平时生活中，我们常常听到有关宇宙的各种奇异的故事和理论。
宇宙是一个奇奥而辽阔的领域，其中包含着无数的星球、恒星、星系和黑洞等等。
为了让学生更好地了解宇宙的奥秘，本次作业设计将引导学生制作一个“宇宙”模型，通过动手制作的方式，让学生亲身体验宇宙的奇奥与壮丽。
二、设计目标1. 帮助学生理解宇宙的基本观点和结构。
2. 培养学生动手能力和创造力。
3. 激发学生对宇宙的兴趣和好奇心。
三、设计内容1. 学生将根据老师提供的材料，制作一个包括太阳、地球、月球、火星等天体的“宇宙”模型。
2. 学生需要根据实际比例将各个天体的尺寸和位置进行调整，以便更好地展示宇宙的结构和比例干系。
3. 学生可以自由选择材料和工具，如纸板、颜料、粘土等，来完成他们的作品。
四、设计步骤1. 调研阶段：学生将在教室上听取老师关于宇宙的基本知识和观点，了解各个天体的特点和位置干系。
2. 设计阶段：学生将根据所学知识和老师的指导，设计自己的“宇宙”模型，确定各个天体的尺寸和位置。
3. 制作阶段：学生将根据设计方案，动手制作自己的“宇宙”模型，可以在教室上或者家里完成。
4. 展示阶段：学生将展示他们的作品，并向同砚们诠释他们的设计理念和制作过程。
五、评判标准1. 创意性：作品是否具有奇特的设计理念和创意。
2. 完备性：作品是否包括了太阳、地球、月球等基本天体。
3. 美观性：作品的外观是否美观，是否符合宇宙的整体风格。
4. 准确性：作品的尺寸和位置是否符合实际比例。
5. 制作过程：学生的制作过程是否有条不紊，是否能够独立完成。
六、总结通过本次作业设计，学生将能够更深入地了解宇宙的奥秘，培养他们的动手能力和创造力。
希望学生能够在制作“宇宙”模型的过程中，发现更多的乐趣和惊喜，激发他们对科学和宇宙的兴趣。
同时，希望学生能够在展示作品的过程中，学会表达自己的想法和观点，提高他们的沟通能力和表达能力。
小学英文作文 如何制作宇宙飞船模型
小学英文作文如何制作宇宙飞船模型全文共6篇示例，供读者参考篇1How to Make a Spaceship ModelHi everyone! Today I want to tell you about how to make an awesome spaceship model. I love anything to do with space and rockets, so this was a really fun project for me. Let me walk you through all the steps.First, you'll need to gather all your supplies. For this project, you'll need:A plastic soda bottle (I used a 2-liter bottle)Cardboard tubes (like from toilet paper or paper towel rolls)Construction paper or thin cardboardAluminum foilScissorsWhite glue or a glue stickTapeMarkers, crayons, or paint for decoratingOnce you have everything, it's time to start building the main body of the spaceship using the soda bottle. Take the cap off and set it aside for later. You can leave the bottle as is, or cut off the bottom to make a flat surface for landing gear. I cut off the bottom third.Next, take one of your cardboard tubes and cut it into four equal rings. These will be the engine nozzles at the back of your spaceship. Arrange them at the bottom of the soda bottle in the shape you want, overlap the edges a bit, and glue or tape them in place.While that's drying, it's time to work on the nose cone for the front of your ship. Take another cardboard tube and cut off a cone shape from one end. You can make this as tall as you want for your design. Once you have the cone, cover it in aluminum foil and secure it with tape or glue.Now take your cone and position it at the opposite end from the engine nozzles. Use tape or glue to attach it to the bottle. You've got the basic shape of your spaceship!To make wings or fins, you can use more cardboard tubes cut in half lengthwise. Arrange them however you like aroundthe body and secure with glue or tape. For added detail, I took some smaller tubes, covered them in foil, and stuck them along the wings as engines or boosters.At this point you can also add any other details using the construction paper or thin cardboard. Maybe you want to add a landing gear, portholes, antennae, or anything else. Get creative and build out your ideal spaceship design!Once you have all the major pieces assembled, it's time for the fun part - decorating! You can color your ship with markers or paint, making sure to add details like lights, logos, panels, and whatever else you can imagine. Cover parts in foil for that realistic spacecraft look.Finally, go back to the bottle cap you set aside earlier. Flip it over and glue or tape it to the top of the nose cone to make a small cockpit window. You can even draw a little pilot inside!And there you have it - your very own awesome spaceship model! Make sure to show it off and imagine yourself blasting off into outer space. You could even make a whole fleet of different ships.I really enjoyed this project and I hope you will too. It lets you tap into your creativity and imagination while also exercisingcritical skills like measuring, cutting, assembling pieces, and following step-by-step instructions. Not to mention it's just really fun to build something this cool.Spaceships and rockets are so amazing. I'm in awe of how something so big and powerful can escape Earth's gravity and travel millions of miles through the vast nothingness of space. I'd love to be an astronaut someday and experience that for myself! For now though, this model will have to do.Anyway, that's how you put together an epic spaceship model from materials you probably already have lying around the house. Let me know if you give it a try or come up with your own customizations. To infinity and beyond! Thanks for reading my essay.篇2How to Make an Awesome Spacecraft ModelHi friends! Have you ever dreamed of blasting off into space and exploring other planets? Well, even if you can't really fly a rocket ship yet, you can still have lots of fun making your very own model spacecraft! It's easier than you might think. Just follow these simple steps and soon you'll have an amazing model that looks just like the real thing!What You Need:Cardboard boxes and tubes (like from toilet paper or paper towel rolls)Aluminum foilWhite glue or glue stickScissorsMarkers, crayons or paintDecorative items like beads, pom-poms, pipe cleaners (optional)Step 1: Gather Your MaterialsThe first thing you need to do is collect all the supplies from the list above. Ask your parents to help you find some empty boxes, cardboard tubes, aluminum foil and other craft items around the house. Having everything ready will make it much easier when you start building.Step 2: Design Your SpacecraftBefore you start building, sketch out what you want your finished model to look like on a piece of paper. Will it be a classic rocket ship shape? Or something more unique like the SpaceShuttle or a futuristic design you dreamed up yourself? Decide how many stages or pieces it will have and start planning out the basic shapes you'll need from cardboard.Step 3: Build the BodyMost spacecraft have a large cylindrical body or fuselage, with a cone-shaped nose cone at the front. To make the body, get a rectangular cardboard box and cut off the top flaps. Then use the scissors to cut off the bottom just above where it connects to the sides. This will leave you with a cardboard tube. For the nose cone, cut diagonally across the corners of one of the box flaps to make a cone shape. Glue or tape the cone to one end of the tube.Step 4: Make the Wings and FinsIf your spacecraft design has wings or fins, you can cut those shapes out of thin cardboard as well. Glue or tape them onto the sides of the body tube. For extra stability, cut small slits in the body and slide the wings through, securing them on the inside with glue or tape.Step 5: Add Engines and DetailsWhat kind of engines will your ship have? For solid rocket boosters, make cylindrical shapes from cardboard tubes or rolledpaper and attach them to the bottom of the body. For liquid fuel engines, make a cone shape and place it at the base. You can also add cool details like windows, landing gear from popsicle sticks, antennae from pipe cleaners and more! Let your imagination go wild.Step 6: Cover with Aluminum FoilTo make your model look shiny and realistic, carefully cover all the cardboard pieces with aluminum foil. Use your glue stick to make the foil stick to the cardboard. For a smooth look, try to avoid any bumps or wrinkles. Go slowly and do your best!Step 7: Decorate Your SpacecraftNow for the fun part - adding any final decorative touches! Use markers to draw details like lines, symbols, flags or writing on the side of your ship. Or glue on pom-poms, sequins, or other craft items. You could even make a little plastic astronaut figurine to sit in the cockpit window!Step 8 (Optional): Make a Launch PadIf you really want to go all out, you can make a launch pad or platform for your model to sit on. Start with a piece of cardboard for the base. Then build up layers of boxes and tubes covered infoil to look like the gantry towers and umbilical cables that real rockets stand on until liftoff.And there you have it - your very own awesome homemade spacecraft ready to embark on imaginary adventures to the Moon, Mars or beyond! I hope these instructions have helped make your model-making fun and easy. Get ready for blastoff in 5...4...3...2...1...篇3How to Make a Spaceship ModelHave you ever dreamed of traveling to space and exploring other planets? Well, even if you can't blast off in a real rocket ship just yet, you can make your own awesome spaceship model! It's a super fun project and lets you imagine zooming through the cosmos. I made one recently and I'm going to tell you all the steps so you can make one too.First, you need to gather all your supplies. You'll need stuff like cardboard boxes or tubes, aluminum foil, paint, glue, scissors, and maybe some other craft items to decorate your ship. See if you have any recycled materials around the house you can use - that's good for the environment and saves money too!Next, you have to decide what kind of spaceship you want to make. Do you want it to look like the space shuttle or maybe something more like a rocket? You could make it a flying saucer style if you want an alien spacecraft! Whatever you choose, sketch out a design first so you have a plan.Once you know the basic shape, it's time to start building the body of your ship from cardboard. Carefully measure, cut, and tape or glue the cardboard pieces together. Make sure all the edges line up neatly. This main part is sort of like the cabin where the astronauts would sit.Now you need to add the other sections like wings, boosters, and the all-important nose cone. Roll up some aluminum foil into cones and cylinders and attach them with glue or tape. If you have toilet paper or paper towel tubes, those make awesome boosters! Get creative with leftover boxes and packaging.As you build, keep checking your design sketch and make sure it's looking how you wanted. If something doesn't look quite right, you may need to redesign a piece. That's okay, even NASA has to remake parts sometimes!When the basic structure is complete, it's time for the fun decorating part! You can paint the whole thing a cool color likered, blue, silver, or black. Maybe do different colors for different sections. Use bright yellow for booster rockets.Once the paint is dry, you can add all sorts of details with markers, stickers, glitter, tinfoil, or anything crafty you can think of. Make glowing lights on the front and back. Add NASA logos, control panels, landing gear - whatever you imagine a real spaceship would have.Don't forget the inside too! Cut out a little door or hatch and make controls for the cockpit. Make seats for astronauts out of egg cartons. You could even make little astronaut figures from polymer clay or clothespins to go inside.The last step is adding the finishing awesome details. Maybe your ship has moving parts like spinning wheels or opening doors and ramps. You can make a base for it to stand on made from a paper plate or cardboard. Hang it from the ceiling with thread so it looks like it's flying!When it's all done, your super cool spaceship model is ready to explore the galaxy! Use your imagination and pretend to launch it into orbit, land on the moon, or travel light years to new worlds. You are the pilot in charge of this cosmic adventure.Building a model like this is so much fun and lets you get really creative. You can make your ship anyway you dream it up and add awesome personal touches. I'm already planning my next one - maybe a huge rocket that can take me to Mars! So grab some supplies, use your engineering skills, and get building. The spacecraft of your dreams is waiting to blast off from your home space center!篇4How to Make a Spaceship ModelHi friends! Today I'm going to teach you how to make an awesome spaceship model. I made one for my science fair project and it was so cool. Spaceships are amazing - they can fly through outer space and explore other planets! With this model, you can imagine blasting off on your own outer space adventure.First, you need to gather all the supplies. For the body of the spaceship, you'll need a empty plastic bottle - I used an old2-liter soda bottle. You'll also need some cardboard, like from an old cereal box or shipping box. For decorations, you can use aluminum foil, colored paper, pipe cleaners, pom poms, and anything else that looks spaceship-y. You'll also need scissors, a ruler, a pencil, glue or tape, and some paint or markers.Once you have all your supplies, it's time to start building! The first step is to make the body of the spaceship from the plastic bottle. Use your scissors to carefully cut off the bottom few inches of the bottle so you have a cylinder shape. This will be the main body. You can leave the bottle cap on one end to be the nose cone.Next, you need to make the fins for the back of the spaceship. Use your cardboard to cut out triangle or trapezoid shapes. You'll want at least 3 fins, maybe more depending on how big you want them. Once you have your fin shapes cut out, attach them around the open end of the bottle using glue or tape. Let them stick out past the end to look extra cool.Now it's time to decorate! Use your aluminum foil to cover the bottle part, wrapping it smoothly around the cylinder. You can leave the fins uncovered or cover them too - it's up to you. Use your colored paper, pipe cleaners, pom poms and other supplies to make antennas, sensors, control panels and anything else your spaceship needs.Get creative and make it look awesome! Maybe your ship has big round windows, solar panels, or spinning radar dishes. Use your markers to add details like labels, lights, or cool designs.Once your spaceship looks amazing, you can make a stand for it if you want. Just cut a circle or rectangle from cardboard and attach the body to it. Or you could make a diorama with your ship blasting off from a planet!I made my spaceship's body blue and added a red stripe down the side. I used pipe cleaners for antennas and pom poms for lights. It looked so real! I wish I could actually fly it to Mars.Making this model was so much fun. You can make yours look any way you imagine a real spaceship. Maybe it's a rocket ship like from old sci-fi movies. Or maybe it's a sleek modern ship that can go light speed. Use your creativity!I can't wait to see the awesome spaceships you all make. Once you finish, you can put it on display or launch it across the room for pretend missions. Just be careful you don't crash into anything!Building models like this is such a cool way to learn about science and space exploration. While you're making your spaceship, think about what it would really be like to travel in a spaceship billions of miles through the solar system. What would you see out the windows? What would you do for fun? Could you live on a spacecraft for years to journey to another planet?Spaceships are remarkable vehicles that let us study and discover the mysteries of the universe. With daring astronauts aboard, they can go farther than anything else made by humans.I hope you had fun making your own mini model spaceship. Maybe you'll be inspired to become a rocket scientist or astronaut when you grow up! Keep using your imagination and creativity. The galaxies are waiting for you to explore them!篇5How to Make a Spaceship ModelHi friends! Today I'm going to teach you how to make an awesome spaceship model. Making models is one of my favorite hobbies. I love putting all the pieces together and watching the model come to life. Spaceships are especially cool because they can travel through the cosmos and explore new planets and galaxies!First, you'll need to gather all your supplies. For this model, you'll need cardboard boxes or tubes, construction paper, aluminum foil, glue or tape, scissors, markers or paint, and any other decorations you want to add like stickers or pom-poms. Recycle whatever you can find around the house!Once you have your supplies, it's time to start building the body of the spaceship. You can use an empty cereal box, paper towel tube, or whatever you have. If you're using a box, carefully cut off one of the long sides so it opens up into one big piece. This will be the main part of the ship. If using a tube, you may want to cut off one end at an angle to make a point.Next, take some aluminum foil and cover the entire outer surface of the body. Smooth it out as neat as you can. The foil will give your spaceship a shiny, futuristic look. If you don't have foil, construction paper works too. You can color it metallic silver or whatever color you want your ship to be.Now we need to add some details to make it look more like a real spaceship. Cut out shapes from cardboard or paper to make windows, engines, wings, fins, or anything else you can imagine. Get creative! Glue or tape them onto the body wherever you want. I like to make lots of big round windows so my spaceship crew can see out into space.For the engines at the back, you could use empty toilet paper rolls covered in foil or red construction paper. Make them stick out from the body. You could even attach paper towel tubes to the sides for extra thrusters!Once you have the basic shape done, it's time to decorate. This is the fun part! Use markers, paint, stickers, pom-poms, pipe cleaners...anything you can find to make your spaceship unique. Draw cosmic designs, make landing lights glow, add antennas on top. The more details the better.If you really want to go all out, you could make a standing platform for your ship to rest on out of cardboard. Maybe add some alien figures or a little moon landscape around the base. Use your imagination!When you're all finished decorating, you'll have an amazing one-of-a-kind spaceship model to put on display or play with. Imagine all the stellar adventures it could go on! Where will your spaceship voyage to next? The moon? Mars? Or will it travel outside our solar system and discover strange new alien worlds?Making models like this is so much fun. You get to build something awesome while being creative and using your hands. Maybe you'll like it so much you'll want to be an engineer or designer when you grow up! Who knows what incredible spaceships you could make then?Well, that's how you make an awesome spaceship model from basic household items. Gather your supplies, build the body, add details, decorate, and let your spaceship take you on ajourney through the cosmos. The rockets are fired up and ready for launch...3, 2, 1, blast off!篇6How to Make an Awesome Spaceship ModelHi friends! Today I'm going to teach you how to make a really cool model of a spaceship. It's super fun and easy if you follow all the steps. My dad helped me make one last week and it turned out amazing. I can't wait to show you!First, you need to gather all the supplies. Here's what you'll need:A plastic bottle (like a soda or water bottle)Cardboard tubes (like from toilet paper or paper towel rolls)Aluminum foilColored construction paper or cardstockScissorsGlue or tapeMarkers, crayons, or paintsAnything else you want to decorate with like stickers, pom poms, googly eyes, etc.Once you have everything, it's time to start building the main part of the rocket ship. Take your plastic bottle and cover it completely with aluminum foil. This will be the body of your spaceship. Wrap the foil tightly around it and press it down firmly so it sticks. You can use a little glue too if needed.Next, take a couple of your cardboard tubes and cover them in aluminum foil too. These will be the engines at the bottom of your rocket. Cut them into smaller pieces if they are really long. Glue or tape the tube pieces onto the bottom of the plastic bottle body.For the nose cone at the top, you can make this out of aluminum foil too. Just mold a small cone shape and attach it to the top of the bottle. Or you could cut a cone out of cardstock and glue that on instead.Now it's time to add all the cool details! Use your colored paper to cut out shapes for the windows, wings, fins, landing gear - whatever you want. Get creative! Glue or tape them all over your spaceship wherever you'd like.Don't forget to decorate both the inside and outside of your ship. For the inside, cut a hole near the top of the bottle. This will let you put a little astronaut sculpture or other decorations inside when you're done.You can use markers, crayons, paints, stickers - anything you have - to add even more details and make your design unique. Give your ship an awesome name or symbol. Make the engine flames look really fiery and bright. Add flags, planets, stars, and anything else you can think of for an out-of-this-world spaceship model!When you're finally done decorating, your spaceship is ready to blast off on all kinds of stellar adventures. You can display it on a shelf or hang it from the ceiling with some string. Maybe set up a whole space scene with it landing on different planets you make.Imagine where your ship could travel - to the moon, Mars, galaxies far far away? What types of aliens might live on the new worlds you discover? Think about the crazy missions and cosmic journeys this epic craft could go on. Just don't let it run out of fuel and get stuck floating through empty space forever!Building a model spaceship is so much fun and lets you get really imaginative. Take your time making it look awesome andadd as many special touches as you can. When you put a lot of creativity and hard work into a project like this, the end result will be something amazing that you can feel really proud of.Maybe you'll make more and design a whole fleet of rocket ships! You could have battle cruisers, cargo vessels, research probes, and every other kind of spacecraft in your collection. Heck, you might enjoy it so much that you decide to become a real astronaut when you grow up!So what are you waiting for? Grab those supplies and start constructing your very own spaceship today. Just be careful not to accidentally launch it into outer space...or maybe that would be kind of cool? Either way, get building and let your imagination soar. The galaxy awaits!。
如何制作宇宙飞船模型英语作文四句话
如何制作宇宙飞船模型英语作文四句话全文共3篇示例，供读者参考篇1How to Make a Spaceship ModelDo you dream of exploring the cosmos in your very own spaceship? While building a real spaceship might not be feasible, creating a model spaceship is a fun and creative way to bring your dreams to life. Here are some simple steps to help you make your own spaceship model:1. Gather your materials: To start building your spaceship model, you will need some basic materials such as cardboard, glue, scissors, paint, and any other decorative items you want to use. Make sure you have all your materials handy before you begin.2. Design your spaceship: Before you start constructing your model, it's important to have a clear idea of what you want your spaceship to look like. You can draw a rough sketch or search for inspiration online to help you come up with a design that excites you.3. Build the frame: Use cardboard to construct the basic shape of your spaceship. Cut out the pieces according to your design and use glue to attach them together. You can add detailing like windows or wings to make your model more realistic.4. Add the finishing touches: Once you have completed the frame of your spaceship, it's time to add the finishing touches. Use paint to add color and detail to your model, and don't forget to add any extra decorations like stickers or glitter to make your spaceship truly unique.By following these simple steps, you can create your very own spaceship model that will take you on an imaginary journey through the stars. Let your creativity soar and have fun building your own spacecraft!篇2How to Make a Spacecraft ModelIf you're a fan of space exploration and science fiction, making a spacecraft model can be a fun and rewarding project. Here are some steps to help you create your own unique spacecraft model:1. Research: Before you start building your spacecraft model, do some research on different types of spacecraft designs. Look at pictures, videos, and diagrams of real spacecraft like the NASA Space Shuttle, SpaceX Dragon, or fictional spacecraft like Star Trek's USS Enterprise. This will give you inspiration and ideas for your model.2. Gathering Materials: Once you have a design in mind, gather the materials you'll need to build your spacecraft model. This may include foam board, cardboard, plastic bottles, wooden dowels, glue, paint, and other craft supplies. Be creative and use whatever materials you have on hand to bring your spacecraft model to life.3. Construction: Start by sketching out a rough design of your spacecraft model on paper. Then, begin building the basic structure using foam board or cardboard. Cut out the different sections of the spacecraft and assemble them together using glue. Add details like wings, engines, windows, and antennas using small pieces of foam board or other materials.4. Painting and Finishing Touches: Once your spacecraft model is assembled, it's time to paint and add the finishing touches. Use acrylic paints to add color and detail to your model, like metallic silver for the body and bright colors for the enginesand wings. You can also add decals, stickers, and other embellishments to make your spacecraft model more realistic.5. Display: Once your spacecraft model is complete, display it proudly in your home or office. You can put it on a shelf, desk, or hang it from the ceiling for everyone to admire. You can also take photos of your spacecraft model and share them online with other space enthusiasts. Enjoy your new spacecraft model and get ready to blast off into the cosmos!篇3How to Make a Spacecraft ModelTo make your own spacecraft model, you will need the following materials: a sturdy cardboard box, aluminum foil, tape, scissors, and markers or paint. Start by cutting the cardboard box into a rectangle shape, then fold the sides up to create the body of the spacecraft. Next, cover the entire spacecraft in aluminum foil to give it a shiny, metallic appearance. Use tape to secure the foil in place.Once you have covered the spacecraft in foil, use markers or paint to add details such as windows, doors, and other features. You can get creative with the design and make your spacecraft asrealistic or as futuristic as you like. Once the paint is dry, your spacecraft model is ready to be displayed or played with.Making a spacecraft model is a fun and creative way to learn about space exploration and technology. It can also be a great educational activity for children who are interested in science and engineering. With a few simple materials and a little imagination, you can create your own miniature version of a spacecraft and embark on your own interstellar adventures.。
大象版小学科学五年级上册课堂笔记
大象版小学科学五年级上册课堂笔记1、制作“宇宙”模型1、人们常用来解释一些复杂的、看不见的、或者是不易理解的事物和现象。
（P3）2、修改模型1、古希腊哲学家亚里士多德认为，地球居于宇宙的中心，静止不动，太阳、月球、行星和恒星都围绕地球运转，这叫“”。
后来古希腊天文学家进一步完善了这一学说。
（P5）2、地球方向与方向一致，即。
无论地球公转到什么位置，地轴的倾斜角度都保持不变。
（P5）3、地球的周期为，地球导致地球上、等。
四季的变化与地球公转、地轴的倾斜有关，四季是由于地球公转、地轴倾斜使得太阳直射地球上不同区域形成的。
（P5）4、春季比较显眼的星座是；夏天比较显眼的星座是；秋夜比较显眼的星座是东北方的，它主要有颗亮星组成，形状像字母“”；冬季比较显眼的星座是。
（P5）5、太阳的寿命约为100亿年。
太阳系的八大行星从离太阳由近到远依次是：、、、、、、、。
（P5）6、光年是个。
1光年就是光在真空中1年时间走过的距离。
1光年约是千米。
（P5）7、天文学家发现，所有遥远的星系正远离我们的银河系而去，说明到目前为止，宇宙还在。
（P8）8、火星和地球最为相似。
2004年，“”号和“”号火星车成功登陆火星。
航空航天大学的科研人员，已经设计了我国第一个火星探测器“”（P10）第二单元时间的脚步1、精确时间的步伐1、是现在最为准确的计时工具。
NISTF-1原子钟由170个部件组成，其中包括透镜、反射镜和激光器。
（P12）2、世界上最早的计时工具是我国古代的。
（P13）2、钟摆的秘密1、1656年，有摆的挂钟诞生于的实验室内。
它是以发现的摆的摆动具有规律性这个原理为基础而发明的。
（P17）2、摆往返一次为；摆的快慢与有关，摆线越，摆动越，摆线越，摆动越。
摆的快慢与摆锤的质量无关。
摆钟就是利用原理工作的。
（P17）3、小水钟1、水钟在又叫“”、“”。
根据它们的工作方式，可以分成两种：一种是记录泄水的时间（），一种是记录注水的时间（）。
《制作“宇宙”模型作业设计方案》
《制作“宇宙”模型》作业设计方案一、设计背景：本作业旨在帮助学生了解宇宙的组成和结构，培养他们的观察力和动手能力。
通过制作一个“宇宙”模型，学生可以更直观地了解太阳系的构成、行星的运行轨道以及宇宙中的各种天体。
二、设计目标：1. 了解宇宙的基本组成和结构；2. 培养学生的观察力和动手能力；3. 提高学生对科学知识的兴趣和理解。
三、设计内容：1. 制作材料：黑色纸板、颜料、毛笔、星星模板、太阳、行星模型等；2. 制作步骤：a. 制作太阳：利用黄色纸板剪出太阳的形状，并用橙色颜料上色；b. 制作行星：根据不同行星的特点，制作不同大小和颜色的行星模型；c. 制作星星：利用星星模板在黑色纸板上印出星星的形状，并用白色颜料上色；d. 搭建宇宙模型：将太阳置于中心，盘绕太阳放置各个行星模型，再用星星点缀整个模型，展现出宇宙的壮丽景象。
四、实施步骤：1. 教师在教室上介绍宇宙的基本知识，引导学生了解太阳系的构成和行星的运行规律；2. 学生根据设计要求，利用提供的材料和工具，制作“宇宙”模型；3. 学生在制作过程中，可以根据自己的想法进行创意设计，展示个性化的作品；4. 学生完成模型后，进行展示和交流，分享制作过程中的心得和体会。
五、评判标准：1. 制作的太阳、行星和星星形象逼真，符合宇宙的基本结构；2. 制作过程中，学生动手能力和观察力得到有效培养，展现出创造力和想象力；3. 学生能够通过展示和交流，清晰表达自己对宇宙的理解和感受。
六、拓展延伸：1. 学生可以利用电子设备制作虚拟宇宙模型，进一步了解宇宙的奥秘；2. 学生可以进行宇宙探索活动，观测星空、观赏流星雨，增加对宇宙的探索和认识；3. 学生可以利用制作的宇宙模型，进行科普宣传活动，分享给其他同砚和家长，传播宇宙知识。
七、总结：通过本次作业设计，学生不仅可以了解宇宙的基本知识，还可以培养动手能力和观察力，激发对科学知识的兴趣。
希望学生在制作“宇宙”模型的过程中，能够发现更多有趣的科学现象，拓展对宇宙的认识和探索。
小学科学大象社版五年级上册第一单元第1课《制作“宇宙”模型》优质课公开课教案教师资格证面试试讲教案
小学科学大象社版五年级上册第一单元第1课《制作“宇宙”模型》优质课公开课教案教师资格证面试试讲教案
1教学目标
1、通过合作、交流,了解宇宙知识。
2、通过多种方式,制作宇宙的物理模型。
3、通过合作制作模型,了解模型在表达与交流过程中的作用。
2学情分析
虽然“模型与解释”在此前的科学课以及其他学科的学习活动中已经有所接触,但基本上是被动地、模糊的、浅层次的,并没有经过系统的训练,学生的认识也比较浅显,对方法和过程的掌握也不够深刻;学生对宇宙的了解也不一样,在很多明显的问题上鲜少问“为什么”,致使学生虽然对宇宙很感兴趣,却没有系统的整理自己所了解的知识。
让学生自己动手做一个“心目中的宇宙”,只做少量提示,为后续的进一步深入认识奠定活动基础。
3重点难点
重点:通过多种方式,制作宇宙的物理模型。
难点:通过合作制作模型,了解模型在表达与交流过程中的作用。
4教学过程
4.1第一学时
教学活动
1【导入】激趣导学
出示与宇宙有关的图片与视频
师:同学们,我们生活的地球是宇宙的一部分,那么宇宙是什么样的呢?你对宇宙有哪些了解呢?
生依据已有知识,说出自己对宇宙的了解。
2【讲授】设计模型。
制作宇宙飞船模型的英文作文
制作宇宙飞船模型的英文作文英文回答：Building a model of a spaceship is a fun and rewarding project that can be enjoyed by people of all ages. Here are some tips on how to make a spaceship model:1. Choose a design. The first step is to choose adesign for your spaceship. There are many different typesof spaceships, so you can choose one that you like the look of or that is based on a real spacecraft.2. Gather your materials. Once you have chosen a design, you will need to gather the materials you need to build it. This will include things like cardboard, paper, glue, and paint.3. Cut out the pieces. The next step is to cut out the pieces of your spaceship. You can use a template or drawthe pieces yourself.4. Assemble the pieces. Once you have cut out the pieces, you can start to assemble them. Use glue to attach the pieces together.5. Paint the spaceship. Once the spaceship is assembled, you can paint it. You can use any color or design you like.6. Add details. The final step is to add details toyour spaceship. This could include things like windows, doors, and engines.中文回答：制作宇宙飞船模型。
《制作“宇宙”模型》 讲义
《制作“宇宙”模型》讲义一、引言对于我们人类来说，宇宙充满了无尽的神秘和魅力。
为了更好地理解宇宙的结构和运行规律，制作一个“宇宙”模型是一种非常有趣且有益的方式。
在这个讲义中，我们将一起探讨如何制作一个简单但又能展现宇宙基本特征的模型。
二、所需材料1、一个大的球形玻璃容器或者塑料球这个将作为我们的“宇宙”主体。
2、各种颜色的发光二极管（LED）用于代表恒星和星系。
3、电线和电池盒为 LED 提供电源。
4、黑色的喷漆或者颜料用来涂在球体内部，模拟宇宙的黑暗背景。
5、一些白色的棉花或泡沫球代表星云。
6、胶水和胶带用于固定各种部件。
7、细铁丝或金属丝用来塑造星系的形状。
8、一张星空图或宇宙的图片作为参考和灵感来源。
三、制作步骤1、准备球体首先，将球形玻璃容器或塑料球清洗干净，确保表面没有灰尘和杂质。
然后，使用黑色的喷漆或颜料将球体内部均匀地喷黑，营造出宇宙的黑暗背景。
让其晾干备用。
2、制作恒星和星系（1）选择不同颜色的 LED，红色、蓝色、黄色等，以代表不同类型的恒星。
（2）将 LED 通过电线连接到电池盒上，注意正负极的连接。
（3）使用细铁丝或金属丝将多个 LED 缠绕成星系的形状。
（4）使用胶水或胶带将制作好的星系固定在球体内部的适当位置。
3、布置星云将白色的棉花或泡沫球撕扯成不规则的形状，然后用胶水粘贴在球体内部，形成星云的效果。
4、参考星空图在制作过程中，不时参考星空图或宇宙的图片，确保模型中的恒星、星系和星云的分布尽可能接近真实的宇宙。
5、完善细节检查模型中的各个部件是否牢固，电线是否整理好，以及整体效果是否符合预期。
如有需要，可以进行一些微调。
四、注意事项1、安全第一在连接电线和电池时，要小心操作，避免触电。
2、耐心和细心制作“宇宙”模型需要耐心和细心，不能急于求成，要确保每个部件都安装到位，效果逼真。
3、创意发挥虽然我们提供了基本的制作方法，但您可以根据自己的创意和想法进行修改和完善，让您的“宇宙”模型独一无二。
制作模型宇宙飞船的英语作文
Building a Model SpaceshipThe thrill of exploring the unknown vastness of space has always fascinated mankind. From the earliest astronomers gazing at the stars to the modern-day astronauts traveling beyond our planet, the desire to understand and conquer the mysteries of the universe remains unwavering. Among the many ways to quench this curiosity, building a model spaceship offers a unique and exciting experience.The journey begins with the selection of a suitable kit or the design of a custom model. The choices are endless, ranging from classic sci-fi spacecraft to futuristic designs that seem to belong in another dimension. Once the model is chosen, the adventure truly begins.The first step is to gather the necessary materials and tools. These include the model kit itself, adhesives, paints, brushes, scissors, and possibly even a small set of precision tools for intricate details. The preparation process is crucial as it sets the foundation for a successful build.The construction phase is where the magic happens. Carefully following the instructions or drawing inspiration from personal imagination, each piece is carefully assembled. The attention to detail is paramount, ensuring that every component fits perfectly and the overall structure remains sturdy. The process can be both challenging and rewarding, especially when a complex part is successfully completed.Once the basic structure is in place, it's time to add the finishing touches. This is where creativity truly shines. Paints and brushes are used to bring the model to life, adding color and depth to the various surfaces. Details like decals, stickers, or even small LED lights can be added to enhance the realism and give the model a truly out-of-this-world appearance.The final step is to admire the finished creation. Holding the model spaceship in one's hands, it's easy to imagine the vastness of space and the limitlesspossibilities that lie ahead. The model not only represents a physical achievement but also a testament to the human spirit's endless quest for knowledge and exploration.In conclusion, building a model spaceship is much more than just a hobby or a pastime. It's an immersiveexperience that combines creativity, precision, and a deep appreciation for the wonders of the universe. It allows usto bring our dreams and imaginations to life, even in the smallest of scales. And perhaps, in the process, it helpsus understand our place in the vast cosmos and the exciting journey that lies ahead.**制作模型宇宙飞船**探索未知宇宙空间的刺激感一直吸引着人类。
《制作“宇宙”模型》 讲义
《制作“宇宙”模型》讲义一、引言对于宇宙的探索，一直以来都激发着人类无尽的好奇心和想象力。
而制作一个“宇宙”模型，不仅能够帮助我们更直观地理解宇宙的结构和运行规律，还能让我们在动手的过程中，感受到科学的魅力和乐趣。
接下来，就让我们一起走进制作“宇宙”模型的奇妙世界吧！二、所需材料和工具1、材料各色泡沫球（代表不同的天体，如恒星、行星、卫星等）彩色卡纸锡纸胶水颜料（用于给天体上色）棉花（模拟星云）2、工具剪刀美工刀画笔尺子竹签或铁丝三、制作步骤1、确定模型的比例和尺寸首先，根据自己的需求和实际情况，确定“宇宙”模型的大小和比例。
可以参考一些真实的宇宙数据，比如太阳系中各天体之间的距离比例等。
2、制作天体选择合适大小的泡沫球，用颜料将其涂成相应的颜色，比如太阳涂成金黄色，地球涂成蓝色和绿色相间等。
对于一些有特殊表面特征的天体，如月球的环形山，可以用美工刀在泡沫球表面轻轻刻画。
3、制作星云将棉花撕扯成不规则的形状，用胶水固定在模型中，代表星云。
可以用颜料给棉花染色，以增加效果。
4、构建星系用彩色卡纸剪出漩涡状的形状，代表星系的旋臂。
将制作好的天体用竹签或铁丝固定在卡纸上，按照一定的规律排列，形成星系的结构。
5、制作轨道用锡纸剪出长条状，代表天体的运行轨道。
将轨道围绕着天体固定在模型中。
6、组装模型将各个部分组合在一起，形成一个完整的“宇宙”模型。
可以根据自己的创意添加一些细节，比如小行星带、彗星等。
四、注意事项1、安全第一在使用剪刀、美工刀等工具时，要小心操作，避免受伤。
2、比例准确尽量按照真实的宇宙比例来制作模型，这样可以更准确地展示宇宙的结构。
3、耐心细致制作过程可能会比较复杂，需要耐心和细心，才能制作出一个精美的“宇宙”模型。
五、拓展与延伸1、研究天体的运动规律通过观察模型，了解天体的公转、自转等运动规律，并且可以尝试模拟不同天体之间的引力作用。
2、探索宇宙的奥秘利用模型，进一步学习宇宙中的各种现象，如黑洞、星系碰撞等，激发对宇宙探索的兴趣。
五年级上册科学知识点
五年级科学上册第一单元第1课制作“宇宙”模型1、（地球）是（宇宙）的一部分。
2、太阳系的八大行星是：①水星②金星③地球 4火星 5木星 6土星7天王星 8海王星3、人们常用（模型）来解释一些复杂的、看不见的，或者是不容易理解的事物和现象，在表达与交流中，（模型）的成功运用，往往能收到事半功倍的效果。
第2课修改模型1、搜集整理资料时，对那些（过时）、（重复）、（错误）或（无关）的资料，应筛选掉。
2、古希腊哲学家（亚里士多德）认为，地球居于宇宙的中心，静止不动，太阳、月球、行星和恒星都围绕着地球运转，这叫“地心说”。
后来古希腊天文学家（托勒密）进一步完善了这一学说。
3、地球公转方向与自转方向一致，即（自西向东）。
无论地球公转到什么位置，地轴的倾斜角度都（保持不变）。
4、地球公转的周期为（一年），公转的轨道形状为（椭圆）。
地球的自转周期为（24小时）。
5、（地球公转）导致地球上昼夜长短的变化、四季的变化等。
6、秋夜的星座，最好辨认的是（东北方）的（仙后座）。
主要由5颗明亮的星组成，形状像字母（W）。
7、太阳带着整个（太阳系）绕着（银河系）中心转动。
太阳系不在银河系中心，也不在宇宙中心。
8、太阳是（50亿）年前由（星际云）瓦解后的一团小星际云塌缩而成，它的寿命约为（100亿）年。
9、金星也叫（启明星）、（长庚星）。
10、一光年是光在真空中1年时间走过的（距离）。
1光年大约是（9.5万亿千米）。
11、（水星）、（金星）没有（卫星）。
木星的卫星最多，有（63）颗。
12、四季的代表性星座：①春季：狮子座②夏季：天蝎座③秋季：仙后座4冬季：猎户座13、今天，多数人相信宇宙是大约（150亿）年前发生的一次大爆炸形成的，天文学家发现，所有遥远的星系正远离我们的（银河系）而去，这说明，宇宙还在（继续膨胀）。
14、在太阳系八大行星中，（火星）与地球最为相似。
15、火星表面呈（红色）。
火星上也有山脉、盆地、环形山、峡谷、火山等。
科学探究与巩固五年级上册参考答案
动物名称 牛、羊 蝴蝶 蚂蚁 乌龟
猪 鸡、鸭 大雁
蚕
繁殖方式 胎生 卵生 卵生 卵生 胎生 卵生 卵生 卵生
课堂练习
青蛙 根繁殖 鲸鱼 种子繁殖 土豆 胎生 蒲公英 茎繁殖 红薯 卵生
巩
（2）（4）（1）（5）（3）
固
探究记录
大豆
五
种子→幼苗→开花→结果→死亡
年
蚕
级
卵→幼虫→蛹→成虫→死亡 婴儿→幼儿→童年→少年→青年→成年→老年→死亡
上
册
课堂练习
（1）卵 幼虫 蛹 成虫
（2）生命周期
第五单元 地球在“变脸”
1 从“天圆地方”说起
准备
天是圆的，地是方的 “地球”是球体“蓝色”的有很多水
发条、齿轮
摆动
摆、齿轮
2.
我制作的钟表（参考举例）
工作原理 太阳位置变化，用晷针 影子变化计时 用蜡烛燃烧的时间计时 用香燃烧的时间计时 用水滴计时 用发条带动齿轮计时 用摆带动齿轮计时
共同之处
4
参
制作材料：香、尺子、火柴、小塑料容器、沙子、秒表
考
制作步骤：（1）在塑料容器中放入沙子。
答
（2）插入尺子和香，让香的顶端高出尺子最高刻度2毫米。
上
到小塑料盆中，水钟就开始计时了。 3.（1）
册
测量次数 第一次
第二次
第三次
第四次
第五次
水滴数
（略）
（略）
（略）
（略）
（略）
我的发现 每10秒滴出的水滴数基本相同
（２）
秒表时间
10秒
20秒
30秒
40秒
50秒
60秒
水钟显示时间 （略） （略） （略） （略） （略） （略）
制作天文和宇宙模型
制作天文和宇宙模型Blender是一款功能强大的开源3D建模软件，它绝对是制作天文和宇宙模型的理想选择。
在这篇文章中，我将为您介绍一些使用Blender软件制作天文和宇宙模型的基本技巧和步骤。
1. 创建星球要制作一个逼真的天体模型，首先需要创建一个星球。
在Blender的场景中，选择一个球体作为星球的形状。
您可以使用工具栏上的“添加”按钮，然后选择“添加网格”>“Icosphere”来创建一个球体。
接下来，使用缩放工具调整球体的大小，使其具有适当的比例。
2. 添加材质和纹理为了使星球看起来更真实，我们需要为其添加材质和纹理。
在属性编辑器中选择“材质”选项卡，并点击“新建材质”按钮以创建新的材质。
然后，为材质选择适当的颜色和反射属性。
您还可以为星球添加纹理，以使其表面具有更多的细节和纹理。
通过点击“新建纹理”按钮来创建新的纹理，并为其选择适当的纹理类型和参数。
3. 添加云层效果对于地球模型或其他具有云层的星球模型，您可以使用Blender的“雾”和“烟雾”效果来创建逼真的云层。
通过在属性编辑器中选择“雾”或“烟雾”选项卡，您可以调整云层的密度、高度和颜色。
通过实验和调整参数，您可以获得想要的云层效果。
4. 创建行星环对于具有行星环的模型，您可以使用一个环形的平面来制作行星环。
在场景中创建一个平面，并将其放置在星球周围的适当位置。
然后，将其旋转和缩放，使其成为一个完整的环形。
为平面添加材质，并使用适当的纹理来模拟行星环的外观。
5. 路径动画如果您想要模拟星球在宇宙中的运动轨迹，您可以使用Blender的路径动画功能。
首先，在场景中创建一个路径，并将星球放置在路径的一个端点上。
然后，选择星球并将其设置为“跟随路径”。
通过调整动画的帧范围和路径的形状，您可以模拟星球在宇宙中的运动。
6. 光照和渲染在制作天文和宇宙模型时，适当的光照和渲染设置至关重要。
您可以在Blender的场景中添加多个光源，并调整其强度和颜色，以获得所需的光照效果。
五年级上科学教案-制作“宇宙”模型_大象版
五年级上科学教案-制作“宇宙”模型_大象版第一课时教学目标（1）、能制作关于宇宙的物理模型。
（2）、了解模型在表达与交流过程中的作用。
教学重点依照学生的明白得、制作“宇宙”模型。
教具预备星图模型、地球仪。
三球仪。
教学过程1、讨论与制作。
了解学生关于宇宙的认识。
“宇宙是什么样的？”“宇宙里面有什么？”等问题在学生心目中有不同的认识。
能够在自由发言的基础上进行讨论，以期让学生尽可能多地表达已有知识和体会。
“那下面我们来做一个宇宙吧！”学生对那个活动会比较感爱好。
活动前的要求专门重要；以小组的形式合作进行，同学们之间要互相配合；教师差不多预备了一些材料，现在能够用“材料超市”的形式出现给学生，并告诉他们也能够选用周围能够取得的材料来制作；制作的形式能够多种多样，比如：捏橡皮泥、剪纸、绘画或布设现有的物体等；鉴于学生的知识有限，能够只制作宇宙中的一个部分，如太阳系、地月系、地球或某个星座。
2、交流。
让学生将各自的模型摆放在桌子上，互相参观、评判、各组也要留一至二名同学在自己的模型前介绍并回答其他人的问题。
通过这种组与组之间交流的形式增加对宇宙的了解，同时他人的提问和建议也为今后修正模型提供了资源和思路。
交流的过程也是积存问题的过程。
关于在制作、交流中产生的各种疑问，应该让学生记在“问题银行”中。
3、总结。
由学生表达在交流中的感受，包括收成、疑问和体会教训。
现在，教师应有意识地引导学生认识到：将头脑中的映像用模型的形式出现出来，会有助于自己的表达和他人的明白得。
“模型”那个词汇由此引出，并将在今后的科学课学习中经常显现。
1、制作“宇宙”模型第二课时教学目标（1）、能制作关于宇宙的物理模型。
（2）、了解模型在表达与交流过程中的作用。
教学重点依照学生的明白得、制作“宇宙”模型。
教具预备星图模型、地球仪。
三球仪。
教学过程1、讨论与制作。
了解学生关于宇宙的认识。
“宇宙是什么样的？”“宇宙里面有什么？”等问题在学生心目中有不同的认识。
制作宇宙飞船模型的英语作文
制作宇宙飞船模型的英语作文In the vast expanse of the universe, space ships hold a special place as symbols of human ingenuity and aspiration. Building a model of a space ship is not just about assembling pieces of plastic or paper; it's a journey of imagination and creativity that takes us to the farthest reaches of the cosmos.Starting with the blueprint, the builder's mind is already racing with ideas and visions. The blueprint, with its intricate details and precise measurements, is the roadmap to a successful model. Just as an astronaut relies on a mission plan to navigate the vastness of space, the builder relies on the blueprint to guide them through the construction process.The selection of materials is crucial. Plastics, paper, glue, and paint are the building blocks of the model, each playing a vital role in bringing the vision to life. Justas a space ship's materials need to be lightweight, durable, and able to withstand the extreme conditions of space, the model's materials must be chosen with care to ensure structural integrity and aesthetic appeal.The assembly process is both challenging and rewarding. As each piece is carefully fitted into place, the model slowly takes shape, revealing the contours and details of the final design. Just as a space ship's components mustfit together perfectly to ensure a safe and successful mission, the model's pieces must fit together seamlessly to create a visually appealing and structurally sound model. The finishing touches, such as painting and detailing, bring the model to life. The colors and decorations add personality and uniqueness to the model, making it a true representation of the builder's vision and creativity. Just as a space ship's exterior design reflects the technology and culture of its crew, the model's finishing touches reflect the skill and imagination of its builder.In conclusion, building a model of a space ship is not just a hobby or a pastime; it's an exercise in imagination and creativity that takes us beyond the limits of Earth and into the infinite expanse of the universe. It's a journey that challenges us to think outside the box, to push the boundaries of our capabilities, and to create something truly remarkable.**制作宇宙飞船模型的旅程：想象与创造力的结合** 在浩渺无垠的宇宙中，宇宙飞船作为人类智慧和渴望的象征，占有特殊地位。
五年级科学上册 1.1《制作“宇宙”模型》课件1 小学五年级上册自然科学课件
事物和现象。二、做宇宙模型应先做哪些准备工作。每组派两名同学到其他组参观，两名同学留下 讲解。２、在参观模型的过程中，我们获得了哪些新的知识。希望同学们做一个爱科学的孩子
Image
12/8/2021
第十六页，共十六页。
第十一页，共十六页。
• 展示模型 • 参观模型
每组派两名同学(tóng xué)到其他组 参观，两名同学(tóng xué)留下讲解。
12/8/2021
第十二页，共十六页。
参观 思考 (cānguān)
1、哪个小组模型作得最好？我们 应该学习什么？
２、在参观模型的过程中，我们 获得了哪些新的知识？对于本组或其 他小组有哪些意见和建议？
人们常用模型来解释一些(yīxiē)复杂的、看不见
的，或者是不易理解的事物和现象。在表达与交
流时，模型的成功运用，往往能收到事半功倍
的效果。
12/8/2021
第五页，共十六页。
一、制作宇宙(yǔzhòu)模型应注意些 什么？
• ⑴了解宇宙相关知识。
• ⑵设计合适的制作方法。 • ⑶选用简单易得的制作材料。
• ⑷制作模型(móxíng)时要耐心细致。
12/8/2021
第六页，共十六页。
太阳系九大行星 (jiǔ dà xínɡ xīnɡ)
12/8/2021
第七页，共十六页。
地球 公转 (dìqiú)
12/8/2021
第八页，共十六页。
昼夜形成 （地球自 (xíngchéng) 转）
12/8/2021
制作 “宇宙”模型 (zhìzuò)
12/8/2021
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
灵宝市第二实验小学五年级上册科学教案课题制作“宇宙”模型主备人郭园洁复备人
教学目标1. 通过合作、交流，使学生了解宇宙知识。
2. 通过多种方式，制作宇宙模型。
3. 激发学生的创新意识，培养学生的创新能力。
教学重难点重点：动手制作心目中的宇宙。
难点：通过交流进一步了解宇宙，激发学生的创新意识。
教具准备橡皮泥、纸、彩笔、剪刀、胶水、牙签、细铁丝等
教学过程一、课前准备：
1．学生自己收集资料。
2．导入：同学们！宇宙奥妙无穷，你对宇宙
了解多少呢？小组交流。
3．师用多媒体播放有关宇宙的图片和文字资
料。
（1）什么是行星？
（2）什么是地球的公转？公转周期是一年，形
成四季变化。
什么是地球的自传？自传周期是一天，形
成昼夜。
（3）太阳系8大行星有哪些？离太阳由近到远排
列，最近的是？最远的是？地球是第几位？
二、课堂活动：请动手做个"宇宙"模型
【初读课本感知】
1.什么称为模型？
2.模型有什么作用？
3、制作宇宙模型应注意些什么？
4、做宇宙模型应先做哪些准备工作？（先计
划，后分工）
【小组合作制作模型】
【展示模型】
【参观模型】
每组派两名同学到其他组参观，两名同学留下
讲解。
参观思考：
1、哪个小组模型作得最好？我们应该学习什
么？
2、在参观模型的过程中，我们获得了哪些新
的知识？对于本组或其他小组有哪些意见
和建议？
复备
3、注意提出问题和建议，做好记录，问题存
入问题银行。
【回顾反思】
全班交流
1、我们小组有哪些优点？
2、我们有哪些不足？
3、通过参观交流我们学到了什么？
4、我们收到了哪些意见？
5、给别的小组提了哪些建议？
【结束语】
希望同学们做一个爱科学的孩子！
爱护我们的宇宙，爱护我们的地球，爱护我们的
家园！
当堂训练
设计自己的宇宙模
课后反思。