1. There are approximately 600 active volcanoes on land. Analyze this sentence: approximately active land

2. What is a volcano?? A weak spot in the crust where molten material- magma- comes to the surface.

3. MAGMA Beneath ground LAVA Above ground

4. Ring of Fire https://www.youtube.com/watch?v=uZp1dNybgfc https://www.youtube.com/watch?v=uZp1dNybgfc Soo.. Where do volcanoes form?

5. Volcanoes form along the boundaries of Earth’s plates. Diverge or Converge – Causes fractures in the crust – Magma rises

6. Hot Spot Volcanoes A volcano forms above a hotspot when magma erupts through the crust and reaches the surface.

7. Diverging Boundaries Magma released from the rift valley or center of the mid ocean ridge.

8. Converging Boundaries Magma is released from the tops of mountains (land) and mid ocean trenches (subduction)