Earth

Question 1

Describe (characteristics and features) of the earth

Answer 1

Crust- avg temp 15c 
0-100km thick
Lithosphere, hydrosphere, biosphere, 
Mantle- Molten rock
avg temp 500-900 celcius
2,900 km thick
Outer core- Avg temp 4,400-6000 celcius
2,300 km
Molten rock
Inner core- Solid, temp roguhly 6000 degrees, 2,180km

Question 2

Explain (cause and effect) how the shape of a volcano is determined by the composition of erupted material (lava)

Answer 2

The lava running and cooling can either make it a very flat shape or a very cylinder shape

Question 3

Demonstrate (show by example) how convection currents cause continental drift

Answer 3

Africa and south america moving further apart

Question 4

discuss evidence to support the theory of continental drift

Answer 4

Jigsaw shape of all countries and similar fossils spread across continents

Question 5

What is a divergent boundary

Answer 5

Plates move away from each other

Question 6

What are convergent boundaries

Answer 6

Plates move towards each other

Question 7

What are transform/Convergent boundaries

Answer 7

Plates slide past each other

Question 8

Explain respiration

Answer 8

respiration is a chemical process in which energy is released from food substances, such as glucose - a sugar.

Question 9

What happened 225m years ago

Answer 9

Pangea was just chilling

Question 10

What happened 200m years

Answer 10

Laurasia and Gondwana split

Question 11

What happened 135m years ago

Answer 11

Gondwana split

Question 12

What happened 65m years ago

Answer 12

Australia separated from Antarctica

Question 13

What is the carbon cycle

Answer 13

Fundamental building block of life

Question 14

What is the nitrogen cycle

Answer 14

The thing that helps all living things function