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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 |