Let's Take a Hike: Crash Course Kids #30.1

What are the four main systems of Earth mentioned?

• Geosphere, Biosphere, Hydrosphere, Atmosphere

• Lithosphere, Cryosphere, Atmosphere, Biosphere

• Geosphere, Hydrosphere, Atmosphere, Exosphere

• Biosphere, Atmosphere, Stratosphere, Troposphere

What is a habitat?

• A place where animals play.

• The area where something lives.

• A type of weather.

• A tall mountain.

How much does the temperature decrease on average for every 1000 meters you move up a mountain?

• 2 degrees Celsius

• 4 degrees Celsius

• 6 degrees Celsius

• 10 degrees Celsius

How does volcanic soil affect plant growth after a volcano erupts?

• It makes plants grow smaller and fewer.

• It makes plants grow bigger and more numerous.

• It prevents any plants from growing.

• It has no effect on plant growth.