1. QUESTIONS ABOUT
THE LAYERS OF THE EARTH
1) Name the layers of the Earth.
2) What type of layer is the Earth’s atmosphere?
3) How many layers does the atmosphere have?
4) What are the most common gases we can find in the atmosphere?
5) What is the troposphere?
6) What is the stratosphere?
7) What is the ionosphere?
8) What is the ozone layer?
9) What type of layer is the geosphere?
10) How many different layers does the geosphere have?
11) What is the crust? Definition and examples.
12) What is the mantle? Definition and examples.
13) What is the core? Definition and examples.
14) What part of the geosphere has the highest temperature?
15) On which part of the geosphere do people live?
16) What is the hydrosphere?
17) What are the three states in which we can find water on the Earth? Give
examples.

2. QUESTIONS ABOUT
ENERGY INSIDE THE EARTH
1) How can we observe the effects of the energy inside the Earth?
2) What is a volcano?
3) What can a volcano throw when it erupts?
4) What is a volcanic cone?
5) What is a crater?
6) What is the conduit?
7) What is the magma chamber?
8) What is the lava?
9) What is an earthquake?
10) How can earthquakes be?

3. QUESTIONS ABOUT
MINERALS AND ROCKS
1) What does the solid part of the Earth consists of?
2) What are minerals?
3) How can we classify minerals? Give examples of each classification.
4) What are rocks?
5) How can we classify rocks? List the main groups.
6) What are sedimentary rocks? Give examples.
7) What are igneous rocks? Give examples.
8) What are metamorphical rocks? Give examples.
9) What do we do with precious stones?