Across
- 1. This is a crack in Earth's surface and where earthquake shaking occurs
- 4. Changes inside Earth can cause these natural disasters
- 5. This is an imaginary line that runs along the peaks of mountains and has an affect on the nearby rivers
- 6. An opening in Earth's surface where hot gases, ash, and lava may pour out
Down
- 2. Trees cannot grow above this because it is too cold
- 3. This is super hot melted rock and is a hazard to humans
- 5. You might find this at the top of a volcano and it will look like a bowl