1
2
3
4
5
6
Across
- 5. A glass building for growing plants or the warming effect on Earth
- 6. A glass container used in science experiments
Down
- 1. A substance that living things need for energy and growth
- 2. A gas in the air that living things need to breathe
- 3. A sudden shaking of the ground caused by movements deep inside Earth
- 4. A material that electricity or heat can pass through easily