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States of Matter

6th Physical Science

QuestionAnswer
Anything that has mass and takes up space. matter
A group of atoms that are held together by chemical bonds; a molecule is the smallest unit of a substance. molecule
The state of matter that has a definite volume but not a definite shape. liquid
The state of matter in which the volume and shape of substances are fixed. solid
A state of matter that does not have a definite volume or shape. gas
The change of state from a liquid to a gas. evaportaion
The change of state from a gas to a liquid. condensation
The change of state from a gas directly to a solid. deposition
The process in which a solid changes directly into a gas. sublimation
The change of state from a solid to a liquid by increasing temperature. melting
The change of state from a liquid to a solid by decreasing temperature. freezing
The change of state from a liquid to a gas that occurs at a specific temperature. boiling
A measure of how hot or cold something is temperature