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Flashcards in Structure Of The Earth System Deck (6)
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0

What four overlapping spheres is the Earth made up of?

1. Biosphere
- the portion of the earth where living thing live

2. Lithosphere
- rock or earth, land

3. Hydrosphere
- water part

4. Atmosphere
- air

1

Give the relation of animals & the spheres

- 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

2

What layers make up the Earth?
What are they made up of?

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

3

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

Outer core (magnetic field)

4

Which layer of the earth is responsible for earthquakes?

The mantle constantly moving

- collision of plates

5

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

Radiowaves & frequencies