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science
unit 2 lesson 3
Question | Answer |
---|---|
Solid, ________, and gas are three common states of matter. | liquid |
The particles that make up matter are always in ________. | motion |
Each particle is also attracted to other __________. | particles |
Solids have a definite ___________ and occupy a definite _________. | shape, volume |
The attractive forces between particles of solids are very _________. The particles ___________ back and forth but stay in relatively fixed positions. | strong, vibrate |
The particles in liquids and gases move more than the particles that make up ___________. | solid |
Liquids have a definite volume but do not have a definite ________. | shape |
Particles in a liquid can __________ past each other. | flow |
Gases do not have a definite ___________ or a definite ___________. | shape, volume |
Gas particles ___________ out and have a lot empty space between them. | spread |
The measure of the average amount of kinetic energy of the particles in a material is _____________-. | temperature |
When a liquid absorbs enough energy, it becomes a(n)___________. | gas |
A liquid becomes a(n) __________ when it loses enough energy. | solid |
The temperature at which a solid changes to a liquid is its ________________. | melting point |
The melting point of a substance is the same temperature as its _________. | freezing point |
When a _____________ absorbs enough energy to reach its boiling point, it changes to a gas. | liquid |
Boiling and ___________ are types of vaporization. | evaporation |
at does not have a definite volume or a definite shape | liquid |
the process by which a liquid is changed into a gas | vaporization |
the temperature at which ice changes to liquid water | melting point |
the point at which a liquid absorbs enough energy to rapidly become a gas | boiling point |
the measurement of how hot or cold an object is | temperature |
the state of matter that has a definite volume but does not have a definite shape. | gas |
you can skate on a pond when enough of the water reaches this | freezing point |
the state of matter that has a definite volume and a definite shape | solid |