| Questions | Answers |
|---|---|
| What do we call a Volcano that will never erupt again? | Extinct |
| What do we call a volcano that could erupt at any time? | Active |
| What do we call a volcano that has not erupted for a long time? | Dormant |
| How many layers does the Earth have? | 4 |
| Which layer of the Earth is the thickest? | Mantle |