Crash Course Kids: Four Spheres Part 1

How many spheres are there?

• 2

• 4

• 3

• 5

"Bio" comes from the Greek word for...

• humans

• animals

• life

• organisms

There is nothing alive in the geopsphere.

• True

• False

Are you part of the geosphere or the biosphere?

• Biosphere

• Geosphere