Page 117 - Social Studies 7

2. Volcanoes

Volcanoes is the hot molten materials come out from the core of the earth via
crater in form of lava with great force. When volcano erupts, earth starts shaking.
There are three types of volcano, active volcano which erupts frequently, Dormant
Volcano which erupts in a long gap and Extinct Volcano which uses to erupt in
part but stopped now completely. Lava deposited after volcanic eruption form
elevated land and hills. Some of the volcanic mountains are Mt. Kilomanjaro,
Mt. Fuji, etc.

volcano erupt

Key Words

crater : opening holes of volcanic
elevation : height, altitude
plateau : an elevated land with flat top
tributary rivulets, small rivers mixed with the big rivers.

Draw pictures of internal elements and paste it in display board.
Activity

117 Dynamic Social Studies and Population Education - Book VII