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1. What is the difference between magma and
It is magma when it is in the Earth and
lava when it comes out of the volcano.
2. Why do you think the Earth’s crust
is thicker under the mountains than
it is under the ocean?
Because mountains are heavier.
3. How are earthquakes and volcanoes
They both shake the earth and are
dangerous forces of nature.
4. Volcano is compared to fireworks.
5. We live on the crust.
6. Volcanoes are sometimes caused by
gas getting trapped and not able to
get out.
7. If there is less pressure on the inner
core it will probably melt.
8. The author compared the plates to a
jigsaw puzzle to help you understand
what the plates look like.
9. Earthquakes occur where two plates