1
2
3
4
5
6
7
8
9
10
Across
- 2. A pattern of energy moving through space or matter
- 5. The amount of matter in an object
- 6. A gas in the air that living things need to breathe
- 8. Something in an experiment that can be changed or measured
- 9. A material that does not let electricity or heat pass through easily
- 10. To write down information for later use
Down
- 1. To study something carefully to understand it
- 3. A form of energy used to power lights and machines
- 4. A state of matter that holds its shape
- 7. A substance made of two or more elements bonded together