Check the answer that best matches the question:
1. A volcano is
A mountain or hill formed around a crack in the earth's crust.
A mountain with a jagged peak.
A mountain or hill with a flat top.
2. The hot rock under the earth's surface is called
Lava
Magma
Dormant
3.The hot rock that flows down the sides of the volcano is
4. The opening in the top of a volcano is a
Crater
5. All volcanos erupt all of the time
True
False
6. Volcanoes erupt because of
The pressure in the earth forcing the hot rock through a crack.
An earthquake happening nearby
The earth getting overheated.