1
2
3
4
5
6
Across
- 2. A material that does not let electricity or heat pass through easily
- 3. The speed of something in a given direction
- 5. The process of getting bigger or more developed
- 6. A state of matter that spreads to fill any space
Down
- 1. The part of an experiment that stays the same for comparison
- 4. The power that makes things move or change