GRADE 7-TAMKEEN Term 3 Quiz 1

The Theory of Plate Tectonics says that:

Large solid pieces of Earth called Plates make up which layer of the Earth?

• The crust

• The atmosphere

• The inner core

• The mantle

What is the mantle of the Earth made of?

• air

• water

• solid rocks

• molten rocks

In which direction are the Plates in the picture moving?

• Away from each other.

• Toward each other.

• Side to side.

• Up and Down.

What happens when two of Earth's plates move away from each other?

• A volcano is formed.

• A mountain is formed.

• An earthquake occurs.

• A crater is formed.

Earth's Plates move very slowly, only a few ........ a year.

• degrees

• meters

• kilometers

• centimeters

Which type of plate boundary is this ?

• Divergent

• Convergent

• Transform

• Up and Down.

What type of mountain is this?

• Dome

• Fault-Block

• Volcano

What type of mountain is this ?

• Fold

• Block

• Dome

• volcano

The Mid-Atlantic ridge in the Atlantic ocean is an example of a divergent boundary

• True
• False

Seafloor spreading...

• creates new oceanic crust

• destroys or recycles crust

• creates new continental crust

• creates old crust