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Grade 5 Science-States of Matter

Terms in this set (14)

solid
the state of matter with a definite volume and definite shape
liquid
the state of matter with a definite volume but no definite shape
gas
the state of matter with no definite volume and no definite shape
states of matter (common)
solid, liquid, and gas
particle
the tiny pieces matter is made of (atoms and molecules)
Condensation
Gas to Liquid
evaporation
Liquid to gas
freezing
Liquid to Solid
melting
solid to liquid
Physical Change
When matter changes it's form or shape.
Particles themselves stay the same.
Easily reversed.
Matter
Anything that has mass and takes up space.
Examples of Physical Change
Ice cream melting, crushing a can, cutting grass
Examples of Chemical Change
Rust on a car, baking a cake, burning wood
Chemical Change
When matter reacts with another form of matter and changes to something new.
Particles re-arrange themselves into completely different particles.
Can't be easily reversed.
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