| A | B |
|---|
| pumice | a very light glass that is formed by the rapid cooling of lava from volcanes |
| erupt | to shoot forth violently |
| lava | molten rock that flows from a volcano or from a crack in the earth |
| avalanche | a large mass of snow and ice or of earth and rock sliding down a mountainside |
| magma | molten rock material within the earth |
| excavate | to expose or uncover by digging |
| papyrus | a tall reed that grows in the Nile Valley which was used to make a paperlike substance |
| scroll | a roll of paper or animal skin that has been prepared as a writing surface |
| suffocate | to stop the breathing of; to deprive of oxygen |
| resident | one who lives in a place |
