2nd session: working the structure of the Earth. Questions.

Lesson 2: Internal forces of the Earth: Earthquakes and volcanoes.

2nd Session: Working the structure of the Earth.

4. Questions of the video.

Answer the next questions about the video “inside the Earth” in your notebook.

If you don't understant any word, don't worry, click the word and you have a translator at the right of the screen!

You have 20 minutes for doing this activity. Afterwards the answers will be corrected with the whole class.

1. Which are the four layers of the Earth?
2. What is the main mass of the Earth?
3. Crust consists in numerous _________________.
4. How many kilometres deep the crust has?
5. Where is thinner the crust, in the continents or in the oceans?
6. What is the name of the layer of the mantle where is the magma?
7. How many degrees of temperature reach this layer?
8. Which is the uppermost layer of the mantle?
9. Which core remains solid in nature?
10. What effect of the core protects us of the solar winds?