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Fabian- Phase Change

Phase Changes

QuestionAnswer
The state of matter that has a definite shape AND definite volume solid
The state of matter that has neither a definite shape or volume. gas
The state of matter that has a definite volume but not definite shape. liquid
Endothermic or Exothermic: melting? Endothermic
Endothermic or Exothermic: freezing Exothermic
Endothermic or Exothermic: condensation Exothermic
Endothermic or Exothermic: boiling Endothermic
What does the prefix "exo-" mean? out
What does the prefix "endo-" mean? in
When heat is added to a substance, what kind of reaction do you get? endothermic
When heat is released from an object, what kind of reaction do you get? exothermic
The particles in a substance that are heated, slow down or speed up? speed up
What kind of change does a substance undergo when it goes from a liquid to a gas? evaporation
What is the melting point of water? Zero degrees C
What is the boiling point of water? 100 degrees C
What is the freezing point of water? Zero degrees C
Particles wheh heated expand or contract? Expand
Particles when cooled expand or contract? contract
The removal of heat from the surroundings of a liquid that is undergoing evaporation. Evaporative Cooling
What are 3 examples of evaporative cooling? 1. A person sweating 2. A dog panting 3. A refrigerator
In which phase are the particles moving fastest? Gas
In which phase are particles moving slowest? solid
Created by: dmalk
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