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Earthquakes and Volcanoes

Earth's surface has plates that move. A volcano is an opening where melted rock, called magma, can reach the surface. Lava is melted rock on the surface. An earthquake is a sudden shake when rocks move. Scientists watch volcanoes.

1.Match the word

Write the letter of the match.

  1. 1. Magma
  2. 2. Lava
  3. 3. Crater
  4. 4. Fault
  1. A. Melted rock on the surface
  2. B. A crack where rocks can move
  3. C. Melted rock under the ground
  4. D. The opening at the top of a volcano

2.Which sentence is correct?

  1. 1. Which sentence is correct?

3.One safer step