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Unit 1 Part B
Changes in state and chemical and physical changes
Question | Answer |
---|---|
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 |