Unit 3 - Earth Spheres and Interactions

Question 1

What is the atmosphere?

Answer 1

The layer of gases surrounding the Earth

Question 2

What from the atmosphere makes life possible?

Answer 2

Ozone layer & Greenhouse Gases

Question 3

What is the hydrosphere?

Answer 3

All water on Earth.

Question 4

What percent of Earth’s water is saltwater?

Answer 4

97% saltwater, 2% glaciers and ice caps, 1% lakes, rivers, ponds, streams.

Question 5

What is the geosphere?

Answer 5

All rock on Earth

Question 6

How are energy and resources cycled around the geosphere?

Answer 6

The rock cycle

Question 7

What is the Cryosphere?

Answer 7

All frozen water on Earth.

Question 8

What does the Cryosphere do for Earth’s energy budget?

Answer 8

Ice has a high albedo, meaning a high reflectivity which allows it to be able to reflect a great deal of solar radiation and has an outsized influence on the planets solar energy budget.

Question 9

What is the biosphere?

Answer 9

Anything that’s living.`

Question 10

How is matter and energy cycled through the biosphere?

Answer 10

The food web or the food chain.