8th Grade - Judson Independent School District第八级-贾德森独立学区-PPT精选文档359页
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together
CHEMICAL BOND
The joining of atoms to form new substances
CHEMICAL BONDING
A change that occurs when one or more
substances are changed into entirely new substances with
COMPACTION
A pure substance composed of two or more elements that
are chemically combined
COMPOUND
The theory that continents can drift
apart from one another and have done
DENSITY
The boundary between two tectonic plates
that are moving away from each other; rift
zone
DIVERGENT BOUNDARY
The trait observed when at least one dominant allele for a characteristic is
gravity is so strong that not even light can escape
BLACK HOLE
The movement of carbon from the nonliving
environment into living things and back
CARBON CYCLE
AMPLITUDE
How bright ar
APPARENT MAGNITUDE
A measure of how much surface an object has
AREA
The study of all physical objects beyond Earth
ELECTROMAGNETIC SPECTRUM
A wave that can travel through space and
matter and consists of vibrating electric and
magnetic fields
ELECTROMAGNETIC WAVE
A negatively charged subatomic particle that
AIR MASS
Alternate forms of a gene that govern the same characteristics
ALLELES
The maximum distance the particles of a wave’s
medium vibrate from their rest position
be found
ENERGY LEVELS
The process by which wind, water, ice, and gravity remove and
transport material from one place to
another
EROSION
The term used to describe a physical or chemical change in which energy is given
is found in all atoms
ELECTRONS
A region inside an atom where electrons are likely to be found
ELECTRON CLOUD
A pure substance that cannot be separated into simpler substances by physical or chemical
inherited
DOMINANT TRAIT
The apparent change in frequency of a sound caused by the motion of either the listener or the source of the sound
DOPPLER EFFECT
means
ELEMENT
A spherical or elongated galaxy with
a bright center and very little dust and
gas
ELIPTICAL GALAXY
A periodic change in the location of warm and cool surface waters in the Pacific Ocean
EL NINO
The term used to describe a physical or chemical change in
which energy is absorbed
ENDOTHERMIC
Regions around the nucleus of an atom where electrons may
through experimentation
DATA
The process of clearing forests
DEFORESTATION
To change shape because of the action of geologic processes
DEFORM
The amount of matter in a given space or volume
symbols and numbers to represent a substance
CHEMICAL FORMULA
The process by which one or more
substances change to produce one or more different substances
The largest population that a given environment can support over a long
period of time
CARRYING CAPACITY
The idea that all geologic change happens suddenly
so in the past
CONTINENTAL DRIFT
The process by which cooler material sinks
while warmer material rises because of a change in density
CONVECTION
The boundary between two colliding tectonic plates
CONVERGENT BOUNDARY
A bond that results from the attraction between the nuclei of atoms where the electrons are shared
by the atoms
COVALENT BOND
Any pieces of information gathered
CHEMICAL REACTION
A number placed in front of a chemical symbol or formula
COEFFICIENT
The process by which soft sediment is squeezed until it hardens into rock
ATOMIC MASS
The number of protons in the nucleus of an atom
ATOMIC NUMBER
The state in which the combined forces exerted on an object add up to
zero
BALANCED
ABSORPTION
A characteristic that helps an organism
survive and reproduce in its environment
ADAPTATION
A large body of air that has the same
temperature and moisture throughout
CATASTROPHISM
The process by which sediment is “glued”
together by minerals
dissolved in water
CEMENTATION
The force of attraction that holds two atoms
A community of organisms and their
nonliving environment
ECOSYSTEM
The entire range of electromagnetic waves, all the wavelengths of
electromagnetic radiation
8th Grade
Science Vocabulary Review
The actual brightness of a star
ABSOLUTE MAGNITUDE
The transfer of energy carried by light waves to
particles of matter
different properties
CHEMICAL CHANGE
A shorthand description that uses chemical
formulas to describe a chemical reaction
CHEMICAL EQUATION
A shorthand notation that uses chemical
ASTRONOMY
The smallest particle into which an element can be divided and still be the same substance
ATOM
The weighted average of the masses of all the naturally occurring isotopes of an element
The theory that states that the universe began
with a tremendous explosion
BIG BANG THEORY
An object with more than three solar masses
squeezed into a ball only 10 km across whose
off
EXOTHERMIC
The type of strain that occurs when rocks break because of stress
FAULTING
A messaging system that the body uses to maintain equilibrium
The area where two different air masses
meet
FRONT
A large grouping of stars in space
GALAXY
The inherited combination of alleles
GENOTYPE
The scientific study of the Earth’s history
FEEDBACK MECHANISM
The type of strain that occurs when rocks bend because of stress
FOLDING
The number of waves made in a given amount of time
FREQUENCY
CHEMICAL BOND
The joining of atoms to form new substances
CHEMICAL BONDING
A change that occurs when one or more
substances are changed into entirely new substances with
COMPACTION
A pure substance composed of two or more elements that
are chemically combined
COMPOUND
The theory that continents can drift
apart from one another and have done
DENSITY
The boundary between two tectonic plates
that are moving away from each other; rift
zone
DIVERGENT BOUNDARY
The trait observed when at least one dominant allele for a characteristic is
gravity is so strong that not even light can escape
BLACK HOLE
The movement of carbon from the nonliving
environment into living things and back
CARBON CYCLE
AMPLITUDE
How bright ar
APPARENT MAGNITUDE
A measure of how much surface an object has
AREA
The study of all physical objects beyond Earth
ELECTROMAGNETIC SPECTRUM
A wave that can travel through space and
matter and consists of vibrating electric and
magnetic fields
ELECTROMAGNETIC WAVE
A negatively charged subatomic particle that
AIR MASS
Alternate forms of a gene that govern the same characteristics
ALLELES
The maximum distance the particles of a wave’s
medium vibrate from their rest position
be found
ENERGY LEVELS
The process by which wind, water, ice, and gravity remove and
transport material from one place to
another
EROSION
The term used to describe a physical or chemical change in which energy is given
is found in all atoms
ELECTRONS
A region inside an atom where electrons are likely to be found
ELECTRON CLOUD
A pure substance that cannot be separated into simpler substances by physical or chemical
inherited
DOMINANT TRAIT
The apparent change in frequency of a sound caused by the motion of either the listener or the source of the sound
DOPPLER EFFECT
means
ELEMENT
A spherical or elongated galaxy with
a bright center and very little dust and
gas
ELIPTICAL GALAXY
A periodic change in the location of warm and cool surface waters in the Pacific Ocean
EL NINO
The term used to describe a physical or chemical change in
which energy is absorbed
ENDOTHERMIC
Regions around the nucleus of an atom where electrons may
through experimentation
DATA
The process of clearing forests
DEFORESTATION
To change shape because of the action of geologic processes
DEFORM
The amount of matter in a given space or volume
symbols and numbers to represent a substance
CHEMICAL FORMULA
The process by which one or more
substances change to produce one or more different substances
The largest population that a given environment can support over a long
period of time
CARRYING CAPACITY
The idea that all geologic change happens suddenly
so in the past
CONTINENTAL DRIFT
The process by which cooler material sinks
while warmer material rises because of a change in density
CONVECTION
The boundary between two colliding tectonic plates
CONVERGENT BOUNDARY
A bond that results from the attraction between the nuclei of atoms where the electrons are shared
by the atoms
COVALENT BOND
Any pieces of information gathered
CHEMICAL REACTION
A number placed in front of a chemical symbol or formula
COEFFICIENT
The process by which soft sediment is squeezed until it hardens into rock
ATOMIC MASS
The number of protons in the nucleus of an atom
ATOMIC NUMBER
The state in which the combined forces exerted on an object add up to
zero
BALANCED
ABSORPTION
A characteristic that helps an organism
survive and reproduce in its environment
ADAPTATION
A large body of air that has the same
temperature and moisture throughout
CATASTROPHISM
The process by which sediment is “glued”
together by minerals
dissolved in water
CEMENTATION
The force of attraction that holds two atoms
A community of organisms and their
nonliving environment
ECOSYSTEM
The entire range of electromagnetic waves, all the wavelengths of
electromagnetic radiation
8th Grade
Science Vocabulary Review
The actual brightness of a star
ABSOLUTE MAGNITUDE
The transfer of energy carried by light waves to
particles of matter
different properties
CHEMICAL CHANGE
A shorthand description that uses chemical
formulas to describe a chemical reaction
CHEMICAL EQUATION
A shorthand notation that uses chemical
ASTRONOMY
The smallest particle into which an element can be divided and still be the same substance
ATOM
The weighted average of the masses of all the naturally occurring isotopes of an element
The theory that states that the universe began
with a tremendous explosion
BIG BANG THEORY
An object with more than three solar masses
squeezed into a ball only 10 km across whose
off
EXOTHERMIC
The type of strain that occurs when rocks break because of stress
FAULTING
A messaging system that the body uses to maintain equilibrium
The area where two different air masses
meet
FRONT
A large grouping of stars in space
GALAXY
The inherited combination of alleles
GENOTYPE
The scientific study of the Earth’s history
FEEDBACK MECHANISM
The type of strain that occurs when rocks bend because of stress
FOLDING
The number of waves made in a given amount of time
FREQUENCY