6. Explain what allows magma to rise to earth’s surface. 7. Briefly summarize the processes that allow volcanoes to form.

8. What are tectonic plates?

9. Explain what role pressure has in causing volcanoes to erupt.

10. Choose and describe 1 of the 3 types of volcanoes mentioned in the video.

11. Briefly summarize the difference between active, dormant, and extinct volcanoes

12. Present 1 piece of evidence that you would use to convince someone that in spite of the dangers associated with volcanoes, there are benefits to living near one.

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6) Magma forms from partial melting of mantle rocks. As the rocks move upward (or have water added to them), they start to melt a little bit. ... Eventually the pressure from these bubbles is stronger than the surrounding sol

id rock and this surrounding rock fractures, allowing the magma to get to the surface.

7) Deep inside Earth, between the molten iron core and the thin crust at the surface, there is a solid body of rock called the mantle. When rock from the mantle melts, moves to the surface through the crust, and releases pent-up gases, volcanoes erupt.

8) Plate tectonics is a scientific theory describing the large-scale motion of the plates making up the Earth's lithosphere since tectonic processes began on Earth between 3.3 and 3.5 billion years ago. The model builds on the concept of continental drift, an idea developed during the first decades of the 20th century.

9) As the magma rises, bubbles start to form from the gas dissolved in the magma. The gas bubbles exert tremendous pressure. This pressure helps to bring the magma to the surface and forces it in the air, sometimes to great heights.

10)

11) an active volcano might be erupting or dormant. ... A dormant volcano is an active volcano that is not erupting, but supposed to erupt again. An extinct volcano has not had an eruption for at least 10,000 years and is not expected to erupt again in a comparable time scale of the future.

12)

hope it helps.

201cm/s÷5: 18

explanation:

there is no explanation