Structure Of The Earth System

Question 0

Give the relation of animals & the spheres

Answer 0

• Most animals live in one sphere
  Ex. Fish - hydrosphere
• Some live in 2
  Ex. Dolphins & whales use hydrosphere to live & atmosphere to breathe

- some things use all 3
Ex. Trees use all 3. 
Extract water - hydrosphere
Live in ground - lithosphere
Need carbon dioxide from air - atmosphere

Question 1

What four overlapping spheres is the Earth made up of?

Answer 1

1. Biosphere
   - the portion of the earth where living thing live
2. Lithosphere
   - rock or earth, land
3. Hydrosphere
   - water part
4. Atmosphere
   - air

Question 2

What layers make up the Earth?

What are they made up of?

Answer 2

1. Inner core
   - innermost
   - solid metal • nickel & iron
2. Outer core
   - liquid molten metal • nickel & iron
   * magnetic field
3. Mantle
   - viscous rock
4. Crust
   - moves on top of the mantle
   - thinnest layer

Question 3

Which layer of the earth is responsible for the aurora borealis?

Answer 3

Outer core (magnetic field)

Question 4

Which layer of the earth is responsible for earthquakes?

Answer 4

The mantle constantly moving

• collision of plates

Question 5

How do we obtain information about the inner core, outer core, & mantle?

Answer 5

Radiowaves & frequencies