1.1 Earth's Systems

Question 0

Continental Crust

Answer 0

Made of granite

Question 1

Lithosphere

Answer 1

Rigid outer layer shell of the planet & includes the crust, solid, (upper layer of crust), mantle

Question 2

Oceanic Crust

Answer 2

Made of basalt (denser than granite)

Question 3

Asthenosphere

Answer 3

Partially molten layers

Question 4

Core is divided into 2 parts…

Answer 4

Outer (liquid part) & inner (solid part)

Question 5

Hydrosphere

Answer 5

Water in oceans, seas, lakes, rivers, glaciers, atmosphere

Question 6

% of saltwater & freshwater in glaciers, lakes, rivers

Answer 6

Salt Water: 97%

Freshwater: 3%

Question 7

% of freshwater in glaciers & icebergs

Answer 7

Freshwater: 3/4%

Question 8

% of freshwater underground

Answer 8

Freshwater: 1/4%

Question 9

Atmosphere

Answer 9

Blanket of gas that surround our planet

Question 10

How atmosphere benefits?

Answer 10

Respiration for living things, protects inhabitants from harmful radiation from the sun, helps keep the planet at a suitable temperature

Question 11

What gases Earth’s atmosphere contains?

Answer 11

Nitrogen (78%)
Oxygen (21%)
Water Vapor, Argon, Carbon Dioxide, etc (1%)

Question 12

Biosphere

Answer 12

Organisms & environments in which they live