Vocabulary #14 (Volcanoes)

Definitions:

1. hot spot: a very hot part of the mantle, where magma can melt through a plate moving above it
2. vent: a central opening in a volcanic area through wich magma may scape
3. lava: magma that reaches Earth's surface and flows out of a vent
4. crater: a cuplike hollow that forms at the top of a volcano around a vent
5. cinder-cone volcano: a steep-side cone that forms from explosive eruptions of hot rocks, ranging from particles to boulder
6. shield volcano: a wide, gently sloped cone that forms from flows of lava
7. composite volcano: a cone formed from explosive eruption of hot rock followed by a flow of lava, over and over
8. geothermal energy: heat from below Earth's surface

Sentences and illustrations:

1. A hot spot is a very hot part of the mantle.

2. Vents are central openings found in volcanoes.

3. Lava reaches the surface and erupts through a vent

4. Craters are found at the top of volcanoes.

5. Cinder-cone volcanoes are formed from volcanic eruptions.

6. Shield volcanoes are formed from flow of lava.

7. Composite volcanoes may have beutifully symmetrical shapes.

8. Today scientists are trying to find ways to use geothermal energy.