| A | B |
|---|
| volcano | a type of mountain that has an opening at the top where lava, ash, and volcanic rock can flow through |
| magma | hot, melted rock and gases deep inside the earth |
| erupt | to burst out |
| erosion | the carrying away of weathered rocks or soils by water, wind, or other causes |
| weathering | when rocks break down or change over time |
| earthquake | a shaking or sliding of the earth's surface |
| plateau | a high, flat area of land |
| lava | hot melted rock that comes out of a volcano |
| glacier | a huge amount of moving ice |
| plain | a large, flat landform |
| landform | a shape on the earth's surface |
