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Unit 1 Part B

Changes in state and chemical and physical changes

What happens to water when it freezes? It expands.
Water that turns into a gas is called what? Water vapor
The change of state from a gas to a liquid is? Condensing
What is the process of making water into a solid called? Freezing
Process of matter changing from a liquid to a gas is called? Evaporation
What causes matter to change states? Heat energy
What type of change is a change of matter? physical
How will temperature affect evaporation? The higher the temperature, the faster the evaporation.
A process that changes substances into new substances is? Chemical change
A chemical change often involves this. Energy
An example of a chemical change is? Souring milk
A change in matter that produces a new compound with different properties from the original is. A chemical change
When matter changes state, what happens to the total number of particles in the matter? They stay the same.
State of matter is considered this type of change. Physical
If state of matter changes, does the amount of matter it is made of (mass) change? No
Created by: Pamela Hebert