Volcanic Eruptions
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Questions and Answers

What causes the soda to explode out of a shaken can when opened?

  • The pressure is released, allowing gas bubbles to rush out (correct)
  • The soda is reacting with the air outside the can
  • The soda is too old and expired
  • The can is made of a weak material
  • What is the main similarity between volcanic eruptions and the soda can explosion?

  • Both are influenced by the temperature of the liquid
  • Both are caused by pressure buildup inside a liquid (correct)
  • Both require shaking before the explosion occurs
  • Both occur randomly without any prior signs
  • What determines whether a volcano will have a calm lava flow or a violent explosion?

  • The composition of the rocks surrounding the volcano
  • The time of day when the eruption occurs
  • The amount of water present in the magma
  • The number of bubbles formed in the magma (correct)
  • What is the name given to magma once it exits the earth's crust?

    <p>Lava</p> Signup and view all the answers

    Why can eruptions with lots of bubbles be dangerous to living things in the area?

    <p>The bubbles release harmful gases that can harm living things</p> Signup and view all the answers

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