5th grade Physical Science Vocabulary Cards

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5th grade Physical Science Vocabulary Cards
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Force
Pull
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Gravity
The force that pulls objects toward each other.
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MASS
The amount of matter in an object or substance.
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MATTER

• The material, or stuff
• That everything is made of
• Solid, liquid and gas

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Friction
A force between two surfaces rubbing against each
other.
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Motion
Motion is a change in the position of an object.
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Atoms
The basic building blocks of matter.
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Buoyancy
The tendency of an object to float in a fluid
that is more dense than the object.
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Chemical Change
Rusting is a chemical change.
A change that produces a new substance.
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Chemical Reaction
A change that produces one or more new substances
and may release energy.
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Conduction
The transmission of heat, electricity or sound.
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Density
The amount of mass in an object or substance.
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Gas
A form of matter that does not have a definite
shape or a definite volume.
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Physical properities
Anything you can observe about an object by using
your senses.
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Reflection
The bouncing of light off an object.
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Refraction
The bending of light.
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Solid
The state of matter that has a definite shape and
takes up definite amount of space.
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Solution
A mixture in which the particles of two different
kinds of matter mix together evenly.
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Vibrate
To move rapidly back and forth.