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Science STAAR Review
Terms in this set (79)
a push or a pull
a change in position
ability to do work
the light energy that bounces off objects
the bending of light
energy directly involved in moving matter
Energy caused by the movement of electrons.
energy we can see
energy of vibrations carried by air, water, or other matter
an incomplete circuit through which electricity will not flow
a circuit with no gaps or breaks
the amount of matter in an object
The force of attraction or repulsion of magnetic materials
The classification of matter as a solid, a liquid or a gas
A form of matter that has a definite shape and volume
A state of matter that has no definite shape but has a definite volume.
A state of matter with no definite shape or volume
floating or sinking when compared to water
The ability to dissolve in another substance
A material that allows heat and electricity to pass through it.
A material that does not allow heat or electrons to move through it easily.
triple beam balance
instrument used to measure mass
tool used to compare, and measure mass
instrument used to measure volume of a liquid
boiling point of water
100 degrees celsius
freezing/melting point of water
0 degrees celsius
the change of state from a gas to a liquid
The change of a substance from a liquid to a gas
Any form of water that falls from clouds and reaches Earth's surface.
causes particles to speed up
causes particles to slow down
A combination of two or more substances that are not chemically combined and can be easily separated,j physical properties of the substances do not change
A mixture that forms when one substance dissolves another, not easily separated, physical properties of substances may change
energy that does not come from fossil fuels and that is still in development
A resource that has a theoretically unlimited supply and is not depleted when used by humans.
A natural resource such as coal, gas, or oil that, once consumed, cannot be replaced.
energy from the sun
energy generated from the kinetic energy of moving air
Energy from steam or hot water produced from hot or molten underground rocks.
renewable fuels made from living organisms
energy obtained from flowing water
The breaking down of rocks and other materials on the Earth's surface.
the process of moving sediment from one place to another
Process in which sediment is laid down in new locations.
a fossil fuel that forms underground from partially decomposed plant material
small, solid pieces of material that come from rocks or living things
A fossil fuel in the gaseous state
Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.
a rock that forms from compressed or cemented layers of sediment
Caused by the tilt of Earth on its axis as it revolves around the Sun
A sequence of phases of the moon as it revolves around the Earth once every 27.3 days.
the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth
the time required for Earth to rotate once on its axis
the time required for the Earth to orbit once around the sun
Plants use the sun's energy to convert water and carbon dioxide into sugars
Gas taken in and used during photosynthesis.
A gas that is brought into the body by the respiratory system.
The exchange of oxygen and carbon dioxide between plants and animals
An organism that can make its own food.
An organism that eats other organisms
A consumer that eats only plants.
An animal that eats both plants and animals
A consumer that eats only animals.
traits that are passed from parents to their offspring
behaviors and characteristics that are not genetically inherited from parents
organisms that break down wastes and dead organisms and return raw materials to the environment
A series of steps in which organisms transfer energy by eating and being eaten
A trait that helps an organism survive and reproduce
egg, larva, pupa, adult
egg, nymph, adult
A system formed by the interaction of a community of organisms with their physical environment
The methods used by scientists to investigate questions, record data, and analyze results
possible explanation for a set of observations or possible answer to a scientific question
A factor that can change in an experiment
condition that is controlled so that it does not change during an experiment
A force that opposes motion between two surfaces that are in contact
Energy that is stored and held in readiness
the energy of motion
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