What Is a Volcano · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

What is a volcano?

Science · Volcanoes & Earthquakes · ages 5-7
Name ______________________   Date ____________
  1. What do we call rock that got so hot it melted?

    • Ice
    • Dust
    • Lava
  2. What is a volcano?

    • A tall mountain with lots of snow and ice on top
    • An opening where hot melted rock comes out
    • A big cloud that makes rain
  3. A volcano can let out hot melted rock.

    Circle one:   True   False

  4. Why does lava glow and flow like a liquid?

    • Because it is full of water like a river
    • Because the rock got so hot it melted
    • Because it is very cold
  5. You see a picture of a mountain with red liquid flowing down. What is happening?

    • A volcano is erupting with lava
    • It is raining hard
    • The mountain is covered in snow
  6. Lava is cold rock that never moves.

    Circle one:   True   False

  7. Mia says lava is just very hot water. What did she get wrong?

    • Lava is melted rock, not water
    • Lava is actually cold
    • Lava comes from rain clouds high in the sky
  8. A mountain has smoke but no lava today. Is it still a volcano?

    • No, it becomes a regular mountain
    • No, it is only a volcano when lava comes out
    • Yes, it is a volcano even when quiet
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Answer key

For grown-ups. Fold this page away before handing over the rest.

What is a volcano? W1-mt_S9SKah-yi_-s1

  1. Lava · Lava is rock that got so hot it melted.
  2. An opening where hot melted rock comes out · A volcano is an opening where hot melted rock comes out.
  3. True · Yes, hot melted rock, called lava, can pour out of a volcano.
  4. Because the rock got so hot it melted · Lava glows and flows because the rock got hot enough to melt.
  5. A volcano is erupting with lava · That red liquid is lava, hot rock that melted inside the volcano.
  6. False · Lava is hot melted rock, so it can flow and move.
  7. Lava is melted rock, not water · Lava is melted rock, not water, even though it can look wet.
  8. Yes, it is a volcano even when quiet · A volcano stays a volcano, even when no lava is coming out.
Worksheet · LightMySky