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CH7 States of Matter
describes the words needed to know for the test.
| Question | Answer |
|---|---|
| states of matter | solid liquids gas |
| solids | closley packed atoms or molecules and maintain rigid form |
| incompressable | cannot be "squeezed" |
| liquids | closely asdsociated atoms or molecules and will flow to conform |
| gases | unassociated atoms or molecules |
| compressable | their volume can be reduced by applying force |
| crystalline solid | very fixed, structured positions |
| amorphis solid | has no structure |
| thermal energy | energy that comes from heat |
| phase transition | when the atoms are too much or too little forit to stay in that state |
| melting | solid to liquid |
| evaporation | liquid to gas |
| sublimation | solid to gas (skips liquid) |
| condensation | gas to liquid |
| freezing | liquid to sold |
| deposition | gas to solid (skips liqid) |