Earth Science

Question 1

What was the name of the super continent?

Answer 1

Pangea

Question 2

When did the super continent form?

Answer 2

220 million years ago

Question 3

Three types of boundaries:

Answer 3

Divergent
Convergent
Transform

Question 4

What is divergent boundaries?

Answer 4

The boundary between two tectonic plates that are moving apart.

Question 5

What are converging boundary?

Answer 5

The boundary between two tectonic plates that are moving together.

Question 6

What are transform boundary?

Answer 6

The boundary between two tectonic plates that are sliding past each other .

Question 7

What do transform boundaries cause?

Answer 7

Earthquakes

Question 8

What do converging boundaries cause?

Answer 8

Mountains, volcanoes and trenches .

Question 9

What diverging boundaries cause?

Answer 9

Rift valleys

Question 10

5 reasons why evidence of continental drift?

Answer 10

1. Coastline fit
2. Similar fossils
3. Landforms Created by glaciers now widely separated
4. Magnetic poles wandering
5. Old climate zones

Question 11

Who proposed the idea of sea floor spreading?

Answer 11

Harry Hess

Question 12

Which is the thicker crust?

Answer 12

Oceanic crust is denser

Question 13

What are convection currents?

Answer 13

Rising hot magma pushes up, then it is then pushed to one side by more rising magma, the ridge splits and moves apart. Tension between surrounding rocks cause rift zones & shallow earthquakes.

Question 14

Name of the crust?

Answer 14

Lithosphere

Question 15

What is the Earth made out of?

Answer 15

1. Crust
2. Mantle
3. Outer core
4. Inner core