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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 |