Topic 1

Which three things are part of the hydrosphere? (Choose 3)

• lakes

• trees

• streams

• ponds

• mountains

Which three things are part of the geosphere? (Choose 3)

• people

• hills

• plateaus

• rocks

• plants

Wind blowing the trees and spreading seeds is an example of which two spheres interacting?

• biosphere and geosphere

• atmosphere and geosphere

• atmosphere and biosphere

• hydrosphere and geosphere

Moving water in a river that causes erosion in a valley is an example of which two spheres interacting?

• hydrosphere and atmosphere

• hydrosphere and geosphere

• geosphere and biosphere

• geosphere and atmosphere

When wind blows sand across the desert, it is an example of which two spheres interacting?

• biosphere and hydrosphere

• biosphere and geosphere

• atmosphere and hydrosphere

• atmosphere and geosphere

An elephant spraying itself with water to keep cool is an example of which two spheres interacting?

• biosphere and hydrosphere

• biosphere and geosphere

• hydrosphere and geosphere

• biosphere and atmosphere

Clouds floating in the sky are an example of which two spheres interacting?

• hydrosphere and biosphere

• geosphere and atmosphere

• hydrosphere and atmosphere

• biosphere and geosphere

Why is oxygen so important to living things?

• It's not. Living things don't need oxygen.

• Living things need oxygen, but it's not important.

• Living things use oxygen to blow stuff up.

• Living things need oxygen to survive and grow.

This is part of the....

• Geosphere
• Biosphere
• Hydrosphere
• Cryosphere

All frozen water on Earth is...

• Hydrosphere
• Geosphere
• Cryosphere
• Atmosphere