Guide Questions:
1. What causes a shield volcano to be shaped like a broad dome?
2. Why do volcanoes differ in size?
Closure:
Name some famous volcanoes in the Philippines and in other countries. State in
what way they are famous.

1.A shield volcano possesses broad dome and shield-like shape due to the steady flow by flow of lava on the surface of the volcano. The low impact eruptions cause the lava to easily flow and spread out in thin layers.

2.Volcanoes come in different sizes and shapes. The overall size of a volcano is determined by the total volume of lava that has erupted. The shape of a volcano is largely determined by the type of lava that has erupted, and importantly, its viscosity. Viscosity is a fluid's resistance to flow.

Explanation:

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