1
2
3
4
5
6
Across
- 5. A mountain with an opening that can erupt hot lava
- 6. A sudden shaking of the ground caused by movements deep inside Earth
Down
- 1. Small pieces of rock and soil carried by water and wind
- 2. The upward force that makes things float in water
- 3. The molecule inside cells that carries instructions for life
- 4. A mixture where one substance dissolves completely in another