- Is it possible to travel to the centre of the Earth? Why?
- What are the layers of the earth?
- What are the continents of the world? What is the largest one?
- What are the oceans? What is the largest one?
- What was Pangea?
- What continents formed Laurasia? What continents formed Gondwanaland?
- What is the difference between valleys and plateaus?
- What is an island?
- What is a peninsula?
- When the forces push soft materials, what are created?
- When the forces push very rigid materials, what are created?
- What is groundwater?
- What are the rivers?
- What is a tributary river?
- What is the difference between estuaries and deltas?
- Why is sea water essential for our lives?
- What happens if you bathe in the Dead Sea?
- What is the highest mountain range in the world?
- What is the highest plateau in the world?
- What is the deepest ocean trench?
- What is the difference between lakes and ponds?
- What is an oasis?
- What is an earthquake?
- What happens in a volcanic eruption?
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