三年级上册答案
小学PEP三年级上册英语真题(答案及解析)
小学PEP三年级上册英语真题(答案及解析)(共50道题)下面有答案和解题分析一、综合题1.I ______ (not/see) that movie yet. I ______ (plan) to watch it this weekend.2.Which of these is used to cut food?A. SpoonB. PlateC. KnifeD. Cupst weekend, we _______ (go) hiking in the mountains. The weather _______ (be) perfect, and we _______ (enjoy) the beautiful views. We _______ (have) a picnic at the top and _______ (stay) there for a few hours. It _______ (be) an amazing trip.4.What do we use to eat spaghetti?A. KnifeB. ForkC. SpoonD. Chopsticks5.Which of these is a country?A. New YorkB. AustraliaC. ParisD. London6.Which of these is used to clean your face?A. TowelB. SpoonC. KnifeD. Fork7.Where do you live?A. I live in a house.B. I am happy.C. I like ice cream.D. I am in the classroom.8.What is the opposite of "clean"?A. DirtyB. WetC. TallD. Heavy9.What do we use to write?A. ShoesB. PenC. ForkD. Cup10.They _______ (be) very busy now.11.He _______ (not/understand) the answer now.12.What do we use to clean our teeth?A. KnifeB. ForkC. ToothbrushD. Spoon13.I __________ (love) reading books. I __________ (read) a book about a brave knight last week. The story __________ (be) exciting. I __________ (want) to read more books like it.14.Jack is at the park with his friends. He is playing __________ with his friend Tom. They take turns hitting the ball over the __________. Jack tries to hit the ball into the__________, but Tom catches it. After the game, Jack sits down on a __________ and drinks some __________. The weather is __________, so they have a great time playing outside.15.I _______ (can / could / will) play soccer.16.Today, we __________ (study) math in class. We __________ (learn) how to add and subtract large numbers. After the lesson, we __________ (do) some practice exercises. It __________ (be) very interesting.17.Which one is a kind of animal?A. DogB. ChairC. SpoonD. Plate18.I _______ (like) to play basketball.19.She _______ (like) apples.20.We _______ (go) to the museum next month.21.I _______ (make/makes) my homework every day.22.I _______ (am / is / are) learning English now.23.I _______ my homework after dinner.24.My father _______ (work) in a hospital. He _______ (help) many sick people every day. In the evening, he _______ (come) home and _______ (rest) after a long day.25.We _______ (have / has / had) a lot of homework today.26.He _______ (reads/read) a book every day.27.They _______ (play) with their toys in the garden.28.Every morning, I ______ (go) for a run in the park. It ______ (be) a great way to start the day. After I ______ (run), I ______ (do) some stretches and ______ (drink) water. Yesterday, I ______ (run) faster than usual, and I ______ (feel) very proud of myself.29.My brother __________ (play) soccer every Saturday afternoon. He __________ (like) playing sports, and his favorite one __________ (be) soccer. After the game, he__________ (usually) go to his friend’s house. They __________ (talk) about the game and __________ (eat) snacks. On Sundays, he __________ (rest) and __________ (watch) TV.30.I always _______ (wake) up early in the morning. After I _______ (get) up, I_______ (brush) my teeth and _______ (eat) breakfast. Then, I _______ (go) to school by bus.31.They _______ (play) video games after school.32.______ you like apples?A. DoB. DoesC. IsD. Are33.Which of these is a number?A. CatB. AppleC. ThreeD. Ball34.I _______ (not/have) any pets.35.Which of these is a source of light?A. BookB. LampC. ChairD. Table36.Today is my birthday! I invited my friends to my house. We are going to play games and eat a big ______. There will be lots of ______ like cake, cookies, and ice cream. I’m so happy because I get to spend time with my ______.37.They _______ (study) English every day.38.Which of these animals is the fastest?A. ElephantB. CheetahC. LionD. Rabbit39.She _______ (help) her parents every Saturday.40.Jack and his family are going on a road trip. They pack their __________ (suitcases) and put them in the __________ (car). Jack’s dad checks the __________ (map) to find the best __________ (route) for their trip. They stop at a __________ (gas station) to fill up the car with __________ (gas).41.I _______ (take) the bus to school.42.They _______ (help) their parents at home.43.The weather ________ (be) hot today.44.Which sentence has the correct plural form?A. I have two dog.B. I have two dogs.C. I have two doges.D. I have two dogses.st night, I __________ (1) a movie with my family. The movie __________ (2) really exciting, and we __________ (3) a great time. After the movie, we __________ (4) to a restaurant and __________ (5) dinner. I __________ (6) pizza, and my sister__________ (7) pasta. We __________ (8) home at 9 p.m. and __________ (9) to bed.46.Which of these is a kind of tree?A. OakB. SpoonC. ChairD. Table47.Which animal has a long neck?A. GiraffeB. DogC. ElephantD. Lion48.Which season comes after winter?A. SpringB. SummerC. AutumnD. Winter again49.My father _______ (read) newspapers every morning.50.We ______ (visit) our grandparents last weekend. They ______ (live) in a small village. Every time we ______ (visit) them, we ______ (have) a great time. This time, we ______ (help) them in the garden. We ______ (plant) flowers together.(答案及解释)。
小学语文补充习题三年级上册参考答案
小学语文补充习题三年级上册参考答案第一单元第1课《大青树下的小学》一、看拼音,写词语。
早晨绒球服装鲜艳孔雀打扮二、用“√”给加点字选择正确的读音。
XXX fèng三、把下面的句子补充完整,再读一读。
1.窗外十分安静,树枝不(摇了),鸟儿不(叫了),蝴蝶(停)在花朵上,好像都在(听)同学们读课文。
2.古老的铜钟,挂在大青树(粗壮的枝干上)。
XXX的影子,在洁白的粉墙上(摇晃)……3.同学们向在校园里欢唱的小鸟(打招呼),向敬爱的老师(问好),向高高飘扬的国旗(敬礼)。
四、根据课文内容填空。
上课了,不同(民族)的小学生,在(同一间教室里)研究。
大家一起(读课文),那声音真好听!下课了,大家在大青树下跳孔雀舞、摔跤、(做游戏),招引来许多小鸟,连松鼠、山狸也赶来看(热闹)。
五、阅读短文,回答问题。
1.表示颜色的词语有(画这些词语):红的、白的、粉的、蓝的、紫的、红色带白点、蓝色起白线的,还有一半粉一半白、一半蓝一半红的色彩缤纷————是有许多颜色在一起,十分美丽。
2.野茉莉、大南瓜、葡萄、葫芦、小葱、茄子3.这句话运用了拟人的修辞手法,生动形象地表现出了南瓜的憨厚,表达了作者对南瓜和小花园的喜爱。
六、小练笔透过这一片生机盎然的地方,把目光转向教学楼和操场。
教学楼被刷了白漆,看不出有一丝杂色。
窗子擦得干干净净,可以看到XXX云影,阳光照在上面,反射出辉煌的光芒,熠熠生辉。
操场上,篮球场、足球场,样样不缺。
无数学生正在那边不顾淋漓大汗,身姿飞快,射门、投篮……也有几位学生坐在休息区的长凳上,笑着,闹着,又亦交谈着什么,或者互相传阅着什么东西。
截然分歧的是,另一边陈腐的图书馆,已看不出当年漆的色采。
爬山虎碧绿碧绿,蔷薇、XXX也正开开花,美不胜收。
图书馆上的复古大钟,秒针正在那里若有若无地走着。
当时针走从一个正点走向另一个整点时,雄厚的钟声就会回荡在人们的耳畔。
第2课《花的学校》一、看拼音,写汉字。
部编人教版小学三年级上册语文复习题及部分答案
部编人教版小学三年级上册语文复习题及
部分答案
第一单元
1. 课文《小狗和包子》中,小狗看到包子时的心情如何?为什么?
小狗看到包子时很高兴,因为小狗喜欢吃包子。
2. 阅读理解:阅读《小狗和包子》的下文,回答问题。
包子担心被小狗吃掉吗?为什么?
约翰是小狗的主人吗?他给小狗喂了什么事物?
请根据课文内容回答上述问题。
- 不,包子不担心被小狗吃掉,因为约翰没有将包子给小狗。
- 是,约翰是小狗的主人。
他给小狗喂了一块饼干。
第二单元
1. 课文《蝴蝶和花朵》中,蝴蝶喜欢花朵吗?为什么?
蝴蝶喜欢花朵,因为花朵给蝴蝶带来美丽和香气。
2. 阅读理解:阅读《蝴蝶和花朵》的下文,回答问题。
花朵为什么喜欢和蝴蝶在一起?
小朋友们喜欢蝴蝶吗?
请根据课文内容回答上述问题。
- 花朵喜欢和蝴蝶在一起,因为蝴蝶给花朵带来乐趣和生机。
- 是的,小朋友们喜欢蝴蝶。
第三单元
1. 课文《小老鼠和大老鼠》中,小老鼠害怕大老鼠吗?为什么?
小老鼠害怕大老鼠,因为大老鼠比较强壮。
2. 阅读理解:阅读《小老鼠和大老鼠》的下文,回答问题。
小老鼠找到了自己的力量吗?他是如何做到的?
小老鼠觉得自己和大老鼠一样重要吗?
请根据课文内容回答上述问题。
- 是的,小老鼠找到了自己的力量。
他通过勇敢和努力研究做
到的。
- 是的,小老鼠觉得自己和大老鼠一样重要。
以上是部编人教版小学三年级上册语文复习题及部分答案。
希
望能够帮到您!。
PEP小学三年级上册英语测验【答案和题解】
PEP小学三年级上册英语测验【答案和题解】(共50道题)下面有答案和解题分析一、综合题1.Which animal says "woof"?A. CatB. CowC. DogD. Sheep2.They _______ (visit) their grandparents every weekend.3.Tom is going to the zoo with his class. His teacher tells the students that they will see many different animals. The first animal they see is a __________ (1). It has a long__________ (2) and big ears. Tom is amazed by how tall it is. Next, they visit the__________ (3), and the monkeys are jumping around and swinging from tree to tree. Tom laughs because the monkeys are very __________ (4). After that, they go to see the __________ (5). It has a beautiful mane and likes to sleep in the sun.4.We ______ (watch) a great movie yesterday. It ______ (be) very exciting. After the movie, we ______ (talk) about the plot and ______ (share) our thoughts.5.They _______ (be) at the beach now.6.Which one is the color of the sky?A. GreenB. BlueC. RedD. Yellow7.I __________ (wake) up late this morning because I __________ (forget) to set my alarm. I __________ (rush) to get ready, and I __________ (miss) the bus. My dad__________ (drive) me to school, and I __________ (arrive) just in time for the first class.8.I __________ (1) up early yesterday. I __________ (2) breakfast with my family and then __________ (3) to the park. I __________ (4) my friends at the park, and we__________ (5) soccer together.9.Which one is a holiday?A. HalloweenB. ChairC. SpoonD. Pen10.My cat __________ (be) very cute. He __________ (like) to play with toys and__________ (sleep) a lot. In the morning, I __________ (feed) him, and then he__________ (rest) for a while. At night, he __________ (jump) on my bed and __________ (sleep) beside me. He __________ (be) my best friend.11.I _______ (not/see) her at school today.12.How many months are there in a year?A. 10B. 12C. 24D. 5013.I _______ (eat) lunch at school.14.I _______ (speak) English very well.15.They _______ (not go) to the zoo on Monday.16.Which of these is a piece of clothing?A. ShirtB. SpoonC. PlateD. Chair17.My mother _______ (make) lunch right now.18.What do you do in the morning?A. SleepB. EatC. Go to schoolD. All of the above19.I _______ (read) a book right now.20.How many months are there in a year?A. 10B. 12C. 14D. 1521.She _______ (buy) a new book tomorrow.22.They _______ (not/come) to the party yesterday.23.Which of these is a tool?A. PencilB. HammerC. SpoonD. Plate24.They _______ (be) in the classroom.25.I _______ (not/want) to go to the park today.26.I _______ (not/watch) movies at night.27.Which of these is a primary color?A. RedB. GreenC. OrangeD. Purple28.Which color is a mixture of red and blue?A. GreenB. PurpleC. YellowD. Orange29.What do you use to write?A. ForkB. PencilC. SpoonD. Plate30.What is the color of the sun?A. BlueB. YellowC. GreenD. White31.What do you wear on your feet?A. GlovesB. HatC. ShoesD. Shirt32.Which one is a number?A. DogB. SevenC. ChairD. Spoon33.Anna loves to read books. She is sitting in her __________ (1) reading a book about __________ (2). The book explains how animals __________ (3) in different parts of the world. Anna is amazed by how some animals can __________ (4) very fast.34.Next month, my class is going to the museum. We will learn about dinosaurs and ancient civilizations. I am very excited because I love learning about history. The museum has many interesting exhibits, and our teacher will explain them to us. After the tour, we will have lunch in the museum’s café. I can’t wait to go!35.Which of these is used to open a door?A. KeyB. SpoonC. PlateD. Knife36.What is the opposite of "hot"?A. ColdB. WetC. WarmD. Heavy37.My best friend and I ______ (like) to ride our bikes to school. We ______ (meet) at the park every morning and then ______ (go) together. We ______ (arrive) at school early, so we always ______ (have) some time to chat before class.38.Which of these is a shape?A. DogB. SquareC. AppleD. House39.She _______ (not/like) to eat vegetables.40.They _______ in the classroom right now.41.Anna is getting ready for her dance recital. She is wearing her new __________ and practicing her moves in the __________. Anna has been practicing for weeks, and she isvery excited to perform in front of her family and friends. After the performance, her parents will take her to __________ as a reward.42.I __________ (study) English every day because I __________ (want) to improve my language skills. My teacher __________ (give) us homework every Monday, and we __________ (have) to finish it by Friday. I __________ (like) doing my homework at the library because it __________ (be) quiet and peaceful.43.We _______ (eat) lunch at 12 o’clock every day.44.Which of the following is a shape?A. AppleB. TriangleC. BookD. Chair45.Which animal has wings?A. DogB. CatC. BirdD. Elephant46.What is the correct form of the verb to complete the sentence: "They ______ to the park every Sunday"?A. goB. goesC. goneD. going47.He _______ (run) very fast in the race yesterday.48.Mark is going to visit his grandparents this weekend. He is very excited because they live in a __________ near a beautiful lake. Mark loves to fish, and his grandfather will take him on a small __________. He will also bring his __________ to take pictures of the beautiful scenery. After fishing, they will have a __________ by the lake and enjoy the peaceful surroundings.49.Which of these is a wild animal?A. DogB. CatC. ElephantD. Rabbit50.He _______ (like) to play chess with his friends.(答案及解释)。
三年级上册的解决问题简单及答案字少
三年级上册的解决问题简单及答案字少
1、一栋楼房共有6个单元,每个单元住18户。
这栋楼房共住多少户人家?
18×6=108(户)
答:这栋楼房共住108户人家。
2、每箱饮料有24瓶,9箱一共多少瓶?
24×9=216(瓶)
答:9箱一216少瓶。
3、运动场的看台分为8个区,每个区有634个座位,运动场最多可以坐多少人?
634×8=5072(人)
答:运动场最多可以坐5072人。
4、电影院每天放映4场电影。
每场最多卖278张票。
每天最多可以有多少人看电影?
278×4=1112(人)
答:每天最多可以有1112人看电影。
5、亚运会入场仪式上群众分为四个方阵,每个方阵128人,一共有多少人?
128×4=512(人)
答:一共有512人。
苏教版三年级上册《练习与测试》全套答案
一、骄傲 虚心 弱 强 二、1、妈妈建议我把作业做好了再去看电视。 2、把作业做好后再去看电视,这真是个好建议。 三、三过家门而不入 花木兰 卧薪尝胆 大禹 第12课 卧薪尝胆 练习与测试 替父从军 赵括 纸上谈兵 勾践 发展练习 (一)1、指颜琛没有像老师打招呼, 就离开了。 指颜琛答老师问题时,答得很流利,很正确。 2、明白了老师三年前说的那句话,是一个计策, 是为了激发我刻苦学习。 只有刻苦学习,才能取得好成绩。 (二)雪白的羽毛,长长的脖子,美丽极了。
一、侵略 抵抗 表示 免除 诊断 形状 二、1、高山 2、失败 三、1、强烈 激烈 热烈 猛烈 单元练习4 2、失望 期望 愿望 希望 练习与测试 四、1、发奋图强的越王勾践 坚持不懈的布鲁斯 求实创新的雷奈克 2、书到用时方恨少 3、三百六十行 4、世上今人胜古人 5、青出于蓝胜于蓝 五、1、专心 秘诀 著名 2、(1)第一个:他走路和休息的时候,老是用手指在 自己的身上一横一竖地写着,日子久了把衣服都划破了。 第二个:他每天练完字都到门前的池塘里去洗笔砚,日子 久了池塘里的水都变黑了。 (2)注意力很集中,笔握得很紧。 3、不分白天黑夜地勤学苦练 4、父子练字
一、能干gàn 干gān净 假jiǎ如 假jià期 转zhuǎn眼间 转zhuàn盘 转zhuàn动 二、1、感谢 2、迫不及待 第9课三袋麦子 三、开心 迫不及待 看了又看 练习与测试 我会选择演小猴,因为小猴聪明能干,做事能作 长远打算。 发展练习 (一)1、种稻子太辛苦,我怕弯腰。 锄草太辛苦,怕手起泡。 收稻子太辛苦,我怕弄得满身泥土! 2、小鸭,小猫,小猪,你们要想得到收获,就必 须要付出努力。 (二)那轻巧的身子升上天空,挥动着有力的翅 膀,在天空中飞翔。
第11课 第八次 练习与测试
小学三年级上册英语测验(答案及题解)
小学三年级上册英语测验(答案及题解)(共50道题)下面有答案和解题分析一、综合题1.I _______ (not/like) to read books.2.Which animal is known for its ability to swim?A. DogB. FishC. BirdD. Tiger3.What is the color of an apple?A. PurpleB. GreenC. BlueD. Yellow4.We _______ (go) to the park every Saturday.5.Which of these is a vegetable?A. appleB. carrotC. bananaD. watermelon6.She _______ (make) dinner at the moment.7.We _______ (have/has) two dogs.8.I _______ (write) a diary every day.9.Which of these is a famous landmark in Paris?A. Big BenB. Eiffel TowerC. PyramidsD. Statue of Liberty10.What is the first letter of the English alphabet?A. AB. BC. CD. D11.Anna is getting ready for school. She puts on her __________ and ties her__________. After that, she eats some __________ for breakfast. Then she grabs her __________ and leaves the house to catch the __________. She is excited to see her friends and learn something new today.12.Which of these is a type of fish?A. SalmonB. DogC. ElephantD. Cow13.What do you use to write on paper?A. KnifeB. PenC. ForkD. Spoon14.We _______ (eat/eats) lunch at school.15.They _______ (watch/watches) TV every evening.16.What is the opposite of "happy"?A. SadB. TallC. FastD. Strong17.Which color is the sky on a clear day?A. RedB. GreenC. BlueD. Yellow18.I _______ (go) to the dentist next month.19.I _______ (do / does / did) my homework after school.20.Which of these is a kind of tree?A. OakB. SpoonC. ChairD. Table21.I _______ (be) tired today.22.Which one is a holiday?A. TuesdayB. ChristmasC. SeptemberD. Winter23.David is at school. He has a __________ on his desk and is writing with his__________. Today, the teacher is teaching about __________. David listens carefully and takes notes in his __________. After school, David feels proud because he learned something new.24.How many fingers do you have on one hand?A. 3B. 4C. 5D. 625.What is the opposite of “hot”?A. WarmB. CoolC. WetD. High26.What do we call the thing you use to write?A. EraserB. PenC. BookD. Chair27.Which of these is a shape?A. CircleB. DogC. BookD. Chair28.I _______ (have) a new pencil case.29.He _______ (run/runs) very fast.30.Mark is going to the grocery store to buy some __________, __________, and__________. His mother also asks him to get a bottle of __________ and a loaf of__________. Mark puts everything in the __________ and heads to the checkout counter.31.I _______ (help) my mom with the housework.32.She _______ (live) in Beijing.33.She _______ (help/helps) her mother with the housework.34.What is the color of grass?A. WhiteB. GreenC. BlueD. Red35.Tom and his friends are playing a __________ game in the __________. They take turns rolling a __________ and moving their pieces around the __________. Tom hopes to win, but his friends are playing well too. After the game, they all feel __________ because they had fun.36.She _______ (visit/visits) her grandmother on weekends.37.Which of these is a body part?A. ChairB. HandC. TableD. Book38.We _______ (have) a test next Monday.39.They _______ (be) at the library right now.40.In winter, I always ______ (wear) a coat because it ______ (be) very cold. Last week, I ______ (buy) a new coat that ______ (be) very warm.41.Which one is a number?A. TenB. SpoonC. KnifeD. Plate42.Jack is going to school today, and he is very excited because he has a special__________ to share with his classmates. Before leaving the house, Jack checks to make sure he has his __________, including his __________, which is filled with books and a lunchbox. Jack also has a __________ that helps him get to school on time. After he arrives at school, Jack will meet his friends in the __________ before class starts.43.He _______ his homework every day.44.Which of these is a planet?A. MoonB. EarthC. StarD. Cloud45.What is the opposite of "cold"?A. HotB. TallC. BigD. Small46.Which one is a shape?A. SquareB. BookC. ChairD. Table47.My brother ______ (like) playing basketball. He usually ______ (practice) on the weekends. Last Saturday, he ______ (join) a basketball match with his friends. It ______ (be) very exciting! After the game, they ______ (rest) for a while and then ______ (have) some snacks. He ______ (be) very happy because his team ______ (win).48.John is a very creative boy. He loves to make things with __. Last weekend, he builta model of a __ out of clay. His mom helped him paint it with bright __ colors. After finishing, John proudly placed it on his desk. He is planning to make a __ next and is excited to show it to his friends.49.Which of these is a season?A. JanuaryB. WinterC. CarD. Sun50.We _______ (finish) our homework already.(答案及解释)。
【部编版】语文三年级上册全册课后习题参考答案(含语文园地)
第一课《大青树下的小学》一、朗读课文,在文中画出有新鲜感的词句与同学交流。
(有新鲜感的词句”是指运用比拟、比照、比喻等等修辞手法的有关词句,使用修饰限定方法写具体形象的有关词句,以及进行细致描述细节的有关词句。
而这样的词句,学生读后感到写得生动有趣、具体形象,有耳目一新的感觉。
)1、早晨,从山坡上,从坪坝里,从一条条开着绒球花和太阳花的小路上,走来了许多小学生,有傣族的,有景颇族的,有阿昌族和德昂族的,还有汉族的。
这句话告诉我们这些来自不同民族的小朋友,早早地起床,迎着朝阳,踩着露珠,高高兴兴地朝着一个共同一个地方──学校走去。
这句话描绘出众多的学生由远及近汇集而来的壮观景象了。
句子中用了三个“从……”相似的结构的词语,和“有……有……有……还有……”让我们一读就在脑海里能形成清楚具体的画面,读起来朗朗上口,形成一定的语势,给我们有身临其境、耳目一新的感觉。
这样的词句,我们叫它为“有新鲜感的词句”。
2、大家穿戴不同、语言不同,来到学校,都成了好朋友。
那鲜艳的民族服装,把学校打扮得更加绚丽多彩。
这句话告诉我们这是一所民族团结的学校。
大家虽然来自不同的家庭,来自不同的民族,穿戴不同,语言不同,但都成了好朋友。
在祖国的大家庭里,在鲜艳的五星红旗下共同过着幸福的学习生活。
“穿戴不同”“鲜艳的服装”“绚丽多彩”形成“绚丽多彩的学校”画面。
3、同学们向在校园里欢唱的小鸟打招呼,向敬爱的老师问好,向高高飘扬的国旗敬礼。
这一句课文作了提示“我好象看到了这样的情景”这是想象的句子。
这句话中连续用了三个“向……”,形成“进行各种活动”的画面。
写出了学校的生活的美好,孩子们来到学校时的欢快心情。
4、最有趣的是,跑来了几只猴子。
这些山林里的朋友,是那样好奇地听着同学们读课文。
下课了,大家在大青树下跳孔雀舞、摔跤、做游戏,招引来许多小鸟,连松鼠、山狸也赶来看热闹。
这句话写出了操场上到底怎样热闹,课间活动丰富多彩,引得小动物心生羡慕,也前来看热闹。
2020年人教版部编本三年级上册语文书课后习题参考答案
2020年人教版部编本三年级上册语文书课后习题参考答案第一课《大青树下的小学》一、朗读课文,在文中画出有新鲜感的词句与同学交流。
(有新鲜感的词句”是指运用比拟、比照、比喻等等修辞手法的有关词句,使用修饰限定方法写具体形象的有关词句,以及进行细致描述细节的有关词句。
而这样的词句,学生读后感到写得生动有趣、具体形象,有耳目一新的感觉。
)1、早晨,从山坡上,从坪坝里,从一条条开着绒球花和太阳花的小路上,走来了许多小学生,有傣族的,有景颇族的,有阿昌族和德昂族的,还有汉族的。
这句话告诉我们这些来自不同民族的小朋友,早早地起床,迎着朝阳,踩着露珠,高高兴兴地朝着一个共同一个地方──学校走去。
这句话描绘出众多的学生由远及近汇集而来的壮观景象了。
句子中用了三个“从……”相似的结构的词语,和“有……有……有……还有……”让我们一读就在脑海里能形成清楚具体的画面,读起来朗朗上口,形成一定的语势,给我们有身临其境、耳目一新的感觉。
这样的词句,我们叫它为“有新鲜感的词句”。
2、大家穿戴不同、语言不同,来到学校,都成了好朋友。
那鲜艳的民族服装,把学校打扮得更加绚丽多彩。
这句话告诉我们这是一所民族团结的学校。
大家虽然来自不同的家庭,来自不同的民族,穿戴不同,语言不同,但都成了好朋友。
在祖国的大家庭里,在鲜艳的五星红旗下共同过着幸福的学习生活。
“穿戴不同”“鲜艳的服装”“绚丽多彩”形成“绚丽多彩的学校”画面。
3、同学们向在校园里欢唱的小鸟打招呼,向敬爱的老师问好,向高高飘扬的国旗敬礼。
这一句课文作了提示“我好象看到了这样的情景”这是想象的句子。
这句话中连续用了三个“向……”,形成“进行各种活动”的画面。
写出了学校的生活的美好,孩子们来到学校时的欢快心情。
4、最有趣的是,跑来了几只猴子。
这些山林里的朋友,是那样好奇地听着同学们读课文。
下课了,大家在大青树下跳孔雀舞、摔跤、做游戏,招引来许多小鸟,连松鼠、山狸也赶来看热闹。
这句话写出了操场上到底怎样热闹,课间活动丰富多彩,引得小动物心生羡慕,也前来看热闹。
(部编)人教版三年级上册语文配套练习册答案
部编人教版三年级上册语文配套练习册答案第一单元1大青树下的小学1.早晨服装读书粗壮绒球影子2.扬 yáng 扮 bàn 凤 fèng 坝bà洁jié艳yàn3.清晨沉重陈旧树枝一只鸡一支歌打扮半天伙伴4.粗壮的枝干可爱的小鸟洁白的粉墙古老的铜钟(只要合适就可以)5.(1)戴带(2)飘扬快乐阅读1.安静热闹2.同学们上课时,窗外的样子:窗外十分安静,树枝不摇了——是那样好奇地听着。
3.同学们下课后做的事情:大家在大青树下跳孔雀舞、摔跤、做游戏,招引来许多小鸟,连松鼠、山狸也赶来看热闹。
开心表达示例:我们一家人去看荷塘的画面印象深刻,荷花太美了,有白色的,有粉色的,风一吹,一池的荷花就随风舞蹈。
2 花的学校1.荒野狂欢跳舞落叶罚站能够猜出口笛2.扬起杨树户外互相手臂碧绿快乐阅读(一)1.走吹跑拍冲2.花朵们他们放假后的样子:树枝在林中互相碰触着,绿叶在狂风里簌簌地响,雷云拍着大手。
这时,花孩子们便穿了紫的、黄的、白的衣裳,冲了出来。
3.紫的黄的白的(二)1.、、、、,。
2.很多五光十色绚丽多彩3.葡萄架凉棚4.各种颜色的葡萄,五光十色,好看极了!有青的、绿的、红的、深紫的、白色的,好像走进了一幅绚丽多彩的图画。
开心表达示例:清风一吹,他们便跳起欢快的舞蹈。
蝴蝶一来,他们便争先恐后地打招呼。
3不懂就要问1.quān tú dāi jièái lì2.被子背诵忘记仰望唱歌大哥坐下座位3.流利地背诵大声地朗读讲得详细听得认真4.鸦雀无声摇头晃脑一字不漏糊里糊涂一字不漏糊里糊涂5.怒斥照常快乐阅读1.,:“,。
,。
”2.自然既然3.学问学问,不懂就要问。
为了弄清楚道理,就是挨打也值得。
4.A开心表达我在学习中遇到不懂的问题时,会先查学习资料,然后再向同学和老师请教,直到把问题弄得明明白白。
第一单元综合练习一、停下装扮放假扬起互相皮球所以双臂汉族二、jià bèi sàn shà shuāi sì三、猜谜安静粗壮祖先扬起广场四、绚丽多彩提心吊胆手忙脚乱披头散发张牙舞爪口干舌燥1.提心吊胆2.手忙脚乱五、×√√√六、1.示例:宽敞的图书室里碧绿的草地上2.示例:星星亮了,像一颗颗闪闪发光的小眼睛。
小学PEP三年级上册英语真题(答案及解析)
小学PEP三年级上册英语真题(答案及解析)(共50道题)下面有答案和解题分析一、综合题1.Which one is a vegetable?A. BananaB. BroccoliC. OrangeD. Grape2.I _______ (not/have) any pets.3.They _______ (go) to the beach next summer.4.Which animal is known for its stripes?A. TigerB. ElephantC. GiraffeD. Kangaroost weekend, I __________ (1) to the beach with my family. We __________ (2) the whole day there. First, we __________ (3) to the beach and __________ (4) our towels. Then, I __________ (5) into the water and __________ (6) with my sister. After swimming, we __________ (7) some ice cream. It __________ (8) a wonderful day.6.We ________ (go) to the zoo next weekend.7.My dad is a doctor. He works in a hospital. Every day, he helps people who are sick.I am proud of him because he helps others. After work, he comes home and we have dinner together.8.Which of these is a type of animal that lives in water?A. TigerB. FishC. BirdD. Dog9.I _______ (not) like ice cream.10.They _______ (dance) at the party last night.11.What is 10 + 5?A. 13B. 14C. 15D. 1612.She _______ (be) very kind.13.Which of these is a vegetable?A. CarrotB. AppleC. BananaD. Orange14.We _______ (be) in the classroom at this moment.st weekend, my family ______ (go) to the zoo. We ______ (see) many animals. My brother ______ (like) the lions, but I ______ (prefer) the monkeys. After we ______ (leave) the zoo, we ______ (eat) lunch at a restaurant.16.We _______ (visit) the zoo last weekend.17.Sarah loves animals, especially __________. She has a pet __________ at home, and she takes care of it every day. Sarah feeds her pet __________ in the morning and gives it fresh water. She also likes to play with her pet, and they often go for a walk in the __________. Sarah is very happy to have a pet because she loves __________ and takes good care of it.18.Which of these animals is a pet?A. ElephantB. DogC. TigerD. Whale19.Which of these animals has a long neck?A. ElephantB. LionC. GiraffeD. Tiger20.Which of these is a season?A. TuesdayB. SummerC. JanuaryD. October21.Which of these animals is a kind of fish?A. SharkB. DogC. ElephantD. Bird22.Which of these is a vegetable?A. TomatoB. AppleC. OrangeD. Carrot23.Which animal is known for its stripes?A. TigerB. ElephantC. GiraffeD. Lion24.We __________ (go) to the cinema last Saturday. We __________ (watch) a great movie about adventure. I __________ (really/enjoy) it. After the movie, we __________ (eat) dinner at a restaurant near the cinema. It __________ (be) a fun day.25.He _______ (have) a new bike.26.My dog ______ (love) playing with his toys. Every morning, he ______ (run) around the house with his favorite ball. He ______ (bark) happily when I ______ (throw) it for him. Last week, he ______ (break) his ball, so I ______ (buy) him a new one.27.We _______ (play) a game together.28.He _______ (help) his father with the garden.29.Which of these is an animal?A. ChairB. DogC. TableD. Book30.I _______ (not/not) understand this word.31.They _______ (not/have) any books.32.She _______ (read) a book every evening.33.They _______ (not/understand) the lesson.34.We _______ (visit) our grandparents next weekend.35.She _______ (write) a letter to her friend.36.He _______ (play) the piano every day.37.They _______ (is / are / am) reading a book now.38.Which of these animals can hop?A. CatB. FrogC. ElephantD. Tiger39.They _______ (not) like going to school.40.They _______ (not/understand) the question.41.What is the first month of the year?A. JanuaryB. FebruaryC. MarchD. April42.I _______ (go / goes / went) to the market every Sunday.43.I love reading books about __. One of my favorite stories is about a young __ who travels the world. He has many exciting __ and meets interesting people. The book is full of __ and surprises. I feel very __ when I read it because the story is so exciting.44.She _______ (like) reading books.45.He _______ (work) at a supermarket last summer.46.We _______ (eat) lunch at 12:00.47.I usually __________ (1) breakfast at 7:00 in the morning. I __________ (2) to eat cereal and drink milk. After breakfast, I __________ (3) my school bag and __________ (4) to school. My school __________ (5) a big playground where we __________ (6) play soccer or basketball during break. I __________ (7) to read books after school, and my little brother __________ (8) to watch cartoons.48.She _______ (not/like) to play tennis.49.Which one is the opposite of "hot"?A. ColdB. WarmC. SweetD. Sour50.We _______ (eat) breakfast at 7 AM.(答案及解释)。
PEP小学三年级上册英语模拟【答案和解析】
PEP小学三年级上册英语模拟【答案和解析】(共50道题)下面有答案和解题分析一、综合题1.Which of these animals is a pet?A. ElephantB. DogC. LionD. Tiger2.My mother _______ to the market every day.3.I _______ (have) a test tomorrow.4.Lucy likes to play piano. She practices every day for one hour. Yesterday, she______ (play) her new song for the school talent show.5.I _______ (go) to school by bus.6.What is 10 + 5?A. 12B. 13C. 14D. 157.They _______ their homework during the break.8.I _______ (play) soccer yesterday.9.We ______ (visit) the zoo last weekend. We ______ (see) many animals, including lions, tigers, and elephants. I ______ (take) lots of photos, and we ______ (have) a great time.10.Which of these is a tool for cleaning?A. BroomB. PlateC. SpoonD. Knife11.He _______ TV every evening.12.He _______ (play) chess with his brother.13.We _______ (play) soccer every day.14.Which of these is a popular fruit?A. BreadB. OrangeC. KnifeD. Chair15.They _______ (play) soccer every weekend.16.How many months are in a year?A. TenB. TwelveC. ThirteenD. Four17.I _______ (not/like) to eat ice cream in winter.18.Which of these is used to clean the floor?A. MopB. PlateC. SpoonD. Knife19.I _______ (was / were / am) very tired yesterday.20.I _______ (go) to the store after school.21.Which of these is the opposite of "heavy"?A. LightB. TallC. LargeD. Cold22.He _______ (work) at a hospital.23.They _______ (read) a comic book now.24.I _______ (help) my mom with the housework.25.What do we use to write on a blackboard?A. PenB. ChalkC. KnifeD. Fork26.He _______ (play) the piano yesterday.27.They _______ (go/goes) to the library every Friday.28.We ______ (not/have) school on weekends, so I ______ (spend) my time playing games and reading books. Last weekend, I ______ (visit) my grandparents. We ______ (play) board games together, and we ______ (eat) delicious food. It ______ (be) a relaxing weekend.29.What is the opposite of "happy"?A. SadB. AngryC. ExcitedD. Calm30.Which one is a mode of transportation?A. AppleB. BicycleC. ChairD. Shirt31.My grandfather __________ (tell) me stories about his childhood every time we__________ (visit) him. He __________ (say) that when he __________ (be) a child, life__________ (be) very different. There __________ (be) no computers or mobile phones. Instead, children __________ (play) outside and __________ (help) their parents with chores. I __________ (love) listening to his stories because they __________ (make) me appreciate my own life more.32.We _______ (make/makes) a cake for her birthday.33.Which of these is a shape?A. CircleB. SpoonC. KnifeD. Plate34.Mike’s birthday is next week. He is going to have a big __________ with all his friends. Mike has invited many people to his house. He is going to serve __________,__________, and __________ at the party. There will also be a __________ with chocolate icing. Mike is really excited because he will get many __________ from his friends.35.I have a pet dog named Max. He is very friendly and loves to play with me. Every day, we go for a walk in the park. Max enjoys running and chasing after balls. Sometimes, I take him to the lake, and he loves to swim. At home, he likes lying on the couch and sleeping. I always give him food and water, and I make sure he has a comfortable bed.36.We _______ (visit) our grandparents next weekend.37.Mark is playing football with his friends. He kicks the ball __________, and his friend Tim tries to __________ it. Mark runs as fast as he can to get to the ball first. He kicks it again, and this time, the ball goes into the __________! Mark and his friends cheer because they scored a goal.38.He _______ (eat) dinner at 6:00 every evening.39.My little brother ______ (be) very excited about his birthday party. He ______ (invite) all his friends to come. Yesterday, they ______ (arrive) at our house at 3 p.m. We ______ (play) games, eat cake, and have fun. He ______ (get) many presents. After the party, he ______ (feel) very happy.40.She _______ (do / does / did) not like to eat vegetables.41.Where do fish live?A. In the skyB. In the oceanC. On treesD. In the desert42.Tom and Jerry are best friends. They love to __________ (1) together. Today, they are going to play __________ (2) in the yard. Tom brought a __________ (3), while Jerry brought a __________ (4). Afterward, they will sit on the grass and eat some__________ (5) their moms made.43.My name is John. I __________ (be) 12 years old. I __________ (live) in a big city. Every morning, I __________ (wake) up at 7:00 a.m. After I __________ (eat) breakfast, I __________ (go) to school by bus. My school __________ (be) not far from my home, so it __________ (take) only 15 minutes to get there. I __________ (study) many subjects, like math, science, and English. After school, I __________ (play) soccer with my friends. In the evening, I __________ (do) my homework and __________ (read) books before bed.44.We _______ (play / plays / played) soccer on weekends.45.Which of these is the opposite of "tall"?A. LongB. ShortC. WideD. Thin46.The birds _______ (sing) in the morning.47.I _______ (not/not) like pizza.48.They _______ (study) history this semester.49.Which of these is a vehicle?A. BicycleB. TableC. BookD. Chair50.I _______ (be) very tired after school.(答案及解释)。
人教版三年级上册金牌答案
人教版三年级上册金牌答案教学目标:1、通过贴近学生生活实际的素材,在丰富多彩的实践活动中充分体会时、分、秒的实际意义。
2 、通过练,学生比较熟练地展开一些直观的时间排序。
3、进一步了解数学在现实生活中的应用,增强学习数学的兴趣和信心,形成独立思考的习惯。
教学重点:时间单位的简单转换和求经过时间的方法。
教学难点:用时针的知识解决生活中的实际问题。
教学过程:一、基本练习1、顺利完成“练一”第 3 题。
要求学生先估计,再实际进行验证,验证的数据可以由学生和家长一起完成。
2、顺利完成“练一”第 4 题。
先让学生独立完成,再让学生说一说每一题是怎么比较的,允许学生用不同的方法进行比较,只要说得有道理就行。
3、顺利完成“练一”第 5 题。
读读书上的三个例子,并要求学生根据生活经验说一说做这些事情需要多长时间。
4、顺利完成“练一”第 6 题。
先让学生尝试做一做,分别测量在跑步或跳绳后, 1 分钟内心跳和呼吸次数的变化情况。
5、顺利完成“练一”第 8 题。
学生计算经过的时间。
如果部分学生有困难,让他们借助钟面模型加以演示、理解,教师给予适当的帮助。
6、顺利完成“练一”第 9 题。
指名说说题意。
学生独立列式,说说自己的计算方法。
二、补足题目。
1 、 1 分=()秒 4 时=()分 9 分○9 秒 36 分○2 时5 分后=()秒秒○2 分分○4 时 10 分后○1 时2、电影《神奇的宇宙》从 2: 05 开始,到 2: 50 结束,这场电影放映了多长时间 ?三、全课总结:你现在回算经过的时间吗 ?排序经过的时间应当特别注意什么?四、布置作业:“练习一”的第 10 、11 题。
教学思考:本节练习课,通过学生自主解决问题等活动,培养了学生独立思考、勇于创新、善于表达的能力。
学生在倾听与表达中,可以学到的时间计算方法,体验到将数学知识应用与生活的快乐。
教学内容:教学目标:1 、重新认识时间单位秒,晓得分与秒的关系,初步创建秒的时间概念。
小学三年级数学上册答案
小学三年级数学上册答案为了方便学生和家长更好地备考和学习,以下是小学三年级数学上册的答案。
第一单元:整数1.比较大小1)< 5 2)<1 3) > -7 4) > -3 5)< 0 6)> -5 7) < 2 8) > 0 9) < 3 10) > -22.写出下面数的相反数1) 16 2) -15 3) 0 4) -6 5) 10 6) -73.写出下面数的绝对值1) -8 2) 3 3) 0 4) -5 5) 7 6) -24.填入空格-10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 105.数轴|-----------------------------------------| +-10 -8 -6 -4 -2 0 2 4 6 8 10第二单元:长度1、同一物体长度的比较1) 1:2 2) 1:3 3) 2:3 4) 2:5 5) 3:52、画出与所示长度相等的线段:1) 3.5 cm 2) 4 cm 3) 7.5 cm 4) 5.5 cm3、单位换算1) 15 mm=1.5 cm 2) 60 mm=6 cm 3) 90 cm=0.9 m 4) 80 cm=0.8 m 4、估算1) 9 cm 2) 10 cm 3) 7.5 cm 4) 4 cm第三单元:面积1.粘贴图案的面积1) 12 2) 20 3) 6 4) 10 5) 82.比较大小1) 10 2) 20 3) 30 4) 203.计算1) 12 2) 15 3) 35 4) 184.测验1) d2>d1 2) s2<s1 3) c1<c2 4) t2<t1第四单元:时间1. 时间的读法1) 2:30 2) 7:25 3) 8:10 4) 5:402. 时间的计算1) 9:15 2) 6:15 3) 12:35 4) 5:30 3. 日历1) 周二 2) 周五 3) 周三 4) 周日第五单元:数据的收集与整理1.调查结果表格喜欢的花种类投票人数玫瑰花 13向日葵 7茉莉花 5桃花 3合计 282.填数方法统计表序号填数方法总数1 1 102 2 83 3 64 4 45 5 123.统计相关1) 24 2) 6 3) 4 4) 90至此,小学三年级数学上册的答案解析完毕。
新人教版三年级数学上册课本练习二十四详细答案课件PPT
答:正方形的周长是 84 厘米,剩下的图形的
周长是 60 厘米。
13.分针从“12”转到下面各个位置,所经过的 区域占整个钟面的几分之几?用分数表示出来。
你知道分别经过了多少分钟吗?
112(
5 60
)
152(
25 60
)
5分钟
25分钟
162(
30 60
)
30分钟
192(
45 60
)
45分钟
14.小军初中毕业了,假期和爸爸妈妈去旅游。 回来还乘同样票价的火车,这次旅游买火车票 一共花了多少钱?
215 × 3 × 2 = 645×2
= 1290(元)
答:这次旅游买火车票一共花了1290元钱。
15.妈妈做16个小蛋糕,用了4个鸡蛋。 (1)照这样计算,12个鸡蛋可以做多少个 小蛋糕?
16 ÷ 4 = 4(个) 12 × 4 = 48(个)
答:12个鸡蛋可以做48个小蛋糕。
15.妈妈做16个小蛋糕,用了4个鸡蛋。 (2)如果要做36个小蛋糕,需要多少个鸡蛋?
.
806 -7 1 4
92
310 - 207 = 103
.
310 -2 0 7
103
325 + 464 = 789
325 +4 6 4
78 9
804 - 546 = 258
..
804 -5 4 6
258
6.计算下面各题,能口算的用口算。
22 × 3 = 66 15 × 6 = 90 204 × 7 = 1428 913 × 8 = 7304
16 ÷ 4 = 4(个) 36 ÷ 4 = 9(个) 答:需要9个鸡蛋。
16.小明参加猜谜活动,得到了5分和2分的奖票 各6张。他想兑换一筒彩色铅笔,有几张付奖票 的方式?如果兑换一盒水彩笔呢?
三年级语文上册五三答案。
三年级语文上册五三答案。
1、1与李白并称“李杜”的是杜牧。
[判断题] *对(正确答案)错2、对下列句子所运用的描写方法判断有误的一项是()[单选题] *A.“这大概是一场梦,一种幻觉吧!”他想,“过一会儿我肯定还会再变成一个人。
”(心理描写)B.为了不滑下来,他不得不用两只手紧紧地抓住雄鹅的羽毛。
(动作描写)C.波莉姨妈已经陷入了悲痛和绝望之中,她那满头灰发几乎全变白了。
(细节描写)D.我最初用一根很沉的木棒打桩,后来想到了用铁撬棒打。
(心理描写)(正确答案)3、1王伟在一家科技公司专门从事计算机销售工作,在介绍公司产品时应注意抓住产品的特征、按照一定的顺序使用准确的语言进行介绍。
[判断题] *对(正确答案)错4、下列选项中加着重号字注音正确的一项是()[单选题] *A、凄切qiè执拗niù良辰美景chén(正确答案)B、凝噎yè吮吸yǔn 遂心如意suìC、辑录jí恪守gè数见不鲜xiānD、血液xuè脑髓suǐ兰舟催发fà5、15.下列词语中加点的字注音完全正确的一项是()[单选题] *A.提防(tí)称职(chèn)狡黠(xiá)振聋发聩(kuì)B.氛围(fēn)憎恶(zēng)阴翳(yì)矫揉造作(jiāo)C.字帖(tiè)倔强(jué)叱咄(duō)吹毛求疵(cī)(正确答案)D.诡谲(jué)两栖(xī)愧怍(zuò)悲天悯人(mǐn)6、“无故寻愁觅恨,有时似傻如狂,纵然生得好皮囊,腹内原来草莽,潦倒不通世务,愚顽怕读文章,行为偏僻性乖张,哪管世人诽谤”描写的是( ) [单选题] *A.贾宝玉(正确答案)B.贾琏C.贾蓉D.贾环7、1妻子对酒驾的丈夫说:“你想死,别带上我。
”妻子的表达是得体的。
[判断题] *对(正确答案)错8、1李乐薇的《我的空中楼阁》中的“楼阁”仅指立于山脊的我的小屋。
三年级语文上册基础训练答案
1、我们的民族小学快乐积累:一、选出正确的读音。
干〔ɡàn 〕、呼〔 hu〕、晃〔 huànɡ〕、闹〔 nɑo〕、好奇〔hào〕、问好〔hǎo〕二、组词。
草坪、评价、蝴蝶、湖水、粗大、组长、爱戴、栽树三、填上适宜的词。
鲜艳的服装、古老的铜钟、鲜红的国旗、洁白的粉墙、可爱的小鸟、粗壮的枝干四、照样子写一写。
热闹热热闹闹冷冷清清清清楚楚明明白白轻轻松松红红火火摇晃摇摇晃晃飘飘荡荡拉拉扯扯说说笑笑哭哭啼啼蹦蹦跳跳五、选词填空。
1、安静;2、平静六、描写窗外安静的句子:"这时候,窗外十分安静,树枝不摇了,鸟儿不叫了,蝴蝶停在花朵上,好似都在听同学们读课文。
最有趣的是跑来了几只猴子。
这些山林里的朋友是那样好奇地听着同学们读课文。
"从这些句子中我感觉到同学们读书的声音真好听,树枝、鸟儿、蝴蝶、猴子对同学们的幸福生活多么羡慕啊!七、根据课文填空〔见课本〕,并完成相应的练习。
1、我国有56个民族,如:汉族、回族、阿昌族、德昂族、景颇族、白族、纳西族、蒙古族、藏族、维吾尔族、壮族、朝鲜族、哈尼族、傣族……2、〔1〕造句:有……有……有……还有……我家的菜园里种着许多蔬菜:有顶花带刺的黄瓜,有鲜亮翠绿的辣椒,有黄里透红的西红柿,还有开着紫色小花的茄子。
〔2〕同学们从〔花园里〕,从〔草坪中〕,从〔假山边〕,捡出了许多果皮纸屑,公园里很快变得干净了。
精彩挑战——写感受:来到想象中的民族小学,我被这座充满了欢乐、祥和气氛的学校迷住了,被这里的同学们美妙的读书声迷住了,也被同学们快乐的课间活动吸引住了。
2、金色的草地一、读拼音写词语。
玩耍、绒毛、使劲、假装、钓鱼、花瓣、合拢、观察二、课文中的多音字:jiào ( 睡觉) zhǒnɡ〔种子〕jìn 〔有劲〕jiǎ〔真假〕shènɡ〔盛开〕觉种劲假盛jué (感觉) zhònɡ〔种地〕jìnɡ〔苍劲〕jià〔放假〕chénɡ〔盛饭〕三、组词:花瓣、辫子、钓鱼、钩子、使劲、颈部、服装、发奖四、写反义词。
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目的
了解蜗牛饮食,呼吸
实验器材
2—3个挨饿的蜗牛,菜叶,菜果片,饼干等食物。
步
骤
和
方
法
1观察蜗牛吃食;
1.观察蜗牛的呼吸。
观察到的现象或结果
1.蜗牛休眠了,要唤醒它,把他它放入水中;
2.蜗牛用口吃食物,喜欢的事物主要是菜叶,水果。
实
验
结
果
蜗牛的食物主要是菜叶,水果。
蜗牛用呼吸孔
铁铺中心学校三年级科学实验报告单
3、将纸浆倒在平铺的棉布上,再用毛巾挤压吸水;
4、观察我们造的纸和我们用的纸是否相同。
实
验
结
果
认识一纸是用细小纤维叠加压制而成的。
铁铺中心学校三年级科学实验报告单
课题
验证空气的存在
时间:
小组:
实验
目的
认识空气是存在于我们周围的一种物质,可以被感知。
实验器材
塑料袋、玻璃杯、水槽、气泡记录纸、实验记录纸。
步
骤
和
方
法
1、观察三个塑料瓶里的水的高度,并猜测多的多少
2、采用多种方法测量出三个塑料瓶里的水的方法,并观察记录。
3、比较水多的瓶子比水少的瓶子里的水多多少
4、认识量筒,并用量筒测量出三个瓶子里的水,并观察记录
实
验
结
果
用量筒测能准确地测量出水的多少
铁铺中心学校三年级科学实验报告单
课题
空气占据空间吗
时间:
铁铺中心学校三年级科学实验报告单
课题:
观察大树
时间:
小组:
实验
目的
学会观察事物获得更多的认识;培养学生的团结合作。
实验器材
选定的大树,皮尺、放大镜。
步
骤
和
方
法
1、我们看到的大树是什么样子的?
2、树的上面有什么;下面都有什么?
3、我们在树干上看到了什么?
4、量一量这棵树有多大。
观察到的现象或结果
我们看到的大树就像一把大伞,树的上面有树叶,果实,小鸟和鸟巢;树干上有小动物,藤蔓,苔藓,树瘤。
小组:
实验
目的
空气是占据空间的
实验器材
1个玻璃杯、1个水槽、纸巾、1个瓶子、两根吸管、一块橡皮泥
步
骤
和
方
法
1、在瓶子里装一些水,用橡皮泥将瓶口密封,将一根吸管插入水中,另一根吸管不插入水里,然后用嘴往瓶子里吹气,观察并记录结果
2、将一团纸巾放在一个被子的杯底,然后将杯子竖直倒扣入水中,观察并记录
实
验
课题:
研究空气的流动
时间:
小组:
实验
目的
认识空气是流动的
实验器材
风扇、用来吹气泡的肥皂水、吹泡器、气泡记录纸、吸管。
步
骤
和
方
法
1、我们吹的肥皂泡会飞走;
2、用电风扇时,我们感到很凉爽,头发会扬起来;
3、吹风时树枝会随风摆动。
4、夏天,我们扇扇子,觉得凉快。
实
验
结
果
我们周围的空气是流动的。
铁铺中心学校三年级科学实验报告单
课题:
观察蚯蚓
时间:
小组:
实验
目的
了解蚯蚓的身体结构
实验器材
几条蚯蚓,一只浅水碟子,记录纸。
步
骤
和
方
法
1.了解蚯蚓的生活环境;
2.观察蚯蚓的身体;
3.观察蚯蚓的运动和反应
观察到的现象或结果
1.蚯蚓有口,肛门和环带;
2.用物体触碰蚯蚓的身体,蚯蚓会缩紧身体。
实
验
结
果
蚯蚓的身体分为几
部分,用笔轻轻触碰蚯蚓的身体,它会。
步
骤
和
方
法
1.了解水生植物的主要特征;
2.探究水葫芦浮在水面的秘密;
3.总结水葫芦和金鱼藻的相同点。
实
验
结
果
水生植物都有根、茎、叶等器官,它们的生长需要水分、阳光和空气。
铁铺中心学校三年级科学实验报告单
课题
观察植物的叶
时间:
小组:
实验
目的
认识叶的基本特征。
实验器材
各种树的落叶、同一种树的新鲜叶和落叶、一条有大小不同叶片生长的树枝。
8、把它们放入水中,观察它们的沉与浮
实
验
结
果
它们的硬度都很大在水中都下沉、不易弯折,砖、瓦易吸水,陶器瓷器不易吸水。
观察到的现象或结果
金鱼身上有鳞片,用鱼鳍游泳,用鳃呼吸。
实
验
结
果
金鱼生活在,身上有,
用游泳,用呼吸。
铁铺中心学校三年级科学实验报告单
课题
比较材料的硬度
时间:
小组:
实验
目的
了解常见材料的物理性质;比较常见材料的硬度。
实验器材
橡皮、海棉、木条、卡纸、铁钉、塑料尺,铁、铜、铝等金属薄片,砂纸、玻璃杯、热水、空饮料罐。
3、用放大镜观察,我们看到的树皮是怎样的;
实
验
结
果
我们看的树皮是粗糙的,摸上去感觉很粗糙。
铁铺中心学校三年级科学实验报告单
课题:
观察狗尾草
时间:
小组:
实验
目的
知道小草都是生长在土壤中,有绿色的叶,会开花结果需要水份、阳光和空气。
实验
器材
狗尾草。
步
骤
和
方
法
1.每个同学说说自己认识的都有哪些小草
2.我们认识的狗尾草都是什么样子的;
验
结
果
它们的硬度都很大在水中都下沉、不易弯折,砖、瓦易吸水,陶器瓷器不易吸水。
铁铺中心学校三年级科学实验报告单
课题
水和食用油的比较
时间:
小组:
实验
目的
比较水与食用油的异同,了解液体的共同特点
实验器材
水、食用油、塑料杯、滴管、玻璃、蜡光纸、木条
步
骤
和
方
法
1、用眼睛观察水和食用油的颜色和透明度
2、分别把水和食用油滴在玻璃上,然后进行观察
步
骤
和
方
法
1、用小锤敲打铁、铜、铝等金属片,记录发生的现象
2、把铁、铜、铝等金属片放进有热水的玻璃杯中,观察发生了什么
3、用砂纸磨铁、铜、铝等金属片观察现象
4、连接一个简单的线路,把其中的一段用铁、铜、铝等金属片连接,观察发生的现象
实
验
结
果
金属材料的传热性好,有金属光泽,有延展性,能导电
铁铺中心学校三年级科学实验报告单
步
骤
和
方
法
1、设计水、油、洗洁精的流动比赛
2、确定在玻璃片上流动的比赛方法
3、分组实验,做好观察记录
实
验
结
果
黏度大,流动速度慢,黏度小流动速度快
铁铺中心学校三年级科学实验报告单
课题
比较水的多少
时间:
小组:
实验
目的
能运用多种方法比较不同溶器中水的多少,能正确使用量筒量出水的多少
实验器材
3个塑料瓶(大小高低不同)、1个玻璃杯、1个量筒、1条纸带,胶水、记录纸
结
果
蚂蚁的身体分为
三个部分,头上长有,胸部长有只角。
铁铺中心学校三年级科学实验报告单
课题:
观察金鱼
时间:
小组:
实验
目的
了解金鱼的身体结构;了解金鱼的生活习性。
实验器材
2—3条金鱼装在玻璃缸里,1只滴管,少许食物色素调制的红水。
步
骤
和
方
法
1.了解鱼类的生活环境;
2.观察金鱼的外形和运动;
3.观察金鱼的吃食和呼吸。
4、把观察到的现象记在表格中;
的现象或结果
弯曲程度大的是,弯曲程度大
说明了。
铁铺中心学校三年级科学实验报告单
课题
造一张纸
时间:
小组:
实验
目的
认识造一张纸的过程和方法
实验器材
白纸、放大镜、玻璃杯、餐巾纸、棉布、毛巾。
步
骤
和
方
法
1、把一块餐巾纸撕碎,放在杯子里,用水浸泡直到能捣碎;
2、搅拌纸屑和水调成稀糊状;
3.说一说狗尾草的特征。
观察到的现象或结果
狗尾草的特征:长在土壤里,需要阳光、水分,植株矮小,茎细,较软,有根、茎、叶。有开花,结果,有种子。
铁铺中心学校三年级科学实验报告单
课题
观察水葫芦和金鱼藻
时间:
小组:
实验
目的
水生植物都有根、茎、叶等器官,它们的生长需要水分、阳光和空气。
实验
器材
几种常见水生植物,水葫芦、金鱼藻,一个水槽,一张记录纸
铁铺中心学校三年级科学实验报告单
课题:
观察蚂蚁
时间:
小组:
实验
目的
.了解蚂蚁的身体结构;了解蚂蚁的生活习性
实验器材
面包白糖死掉的小昆虫放大镜
步
骤
和
方
法
1.了解蚂蚁的生活环境;
2.观察蚂蚁的身体;
3.观察蚂蚁的运动和反应;
观察到的现象或结果
1.蚂蚁有头、胸、腹三部分和六只脚;
2.蚂蚁头上长有触角。
实
验
步
骤
和
方
法
1、学生拿出自己捡的树叶。把它们分类,看看有几种?
2、仔细观察,叶有什么相同的结构?
3、仔细观察,我们的分类正确吗?
4、比较新鲜的叶与落叶;
5、观察同一种植物的叶,我们能从中看出叶的生长变化过程吗?
观察到的现象或结果
我们观察到的一片完整的叶,它有叶片、,叶脉,。、叶柄