Earth's Structure and Plate Tectonics Worksheet

What is the Earth's outer shell called?

• Mantle

• Crust

• Core

• Lithosphere

What causes tectonic plates to move?

• Gravity

• Ocean currents

• Convection currents in the mantle

• Wind

How many major tectonic plates are there?

• 3

• 7

• 10

• 15

Which layer of the Earth is made of semi-molten rock?

• Crust

• Inner core

• Mantle

• Outer core

Which of these is NOT a tectonic plate?

• Pacific Plate

• Eurasian Plate

• Antarctic Plate

• Amazon Plate

What is the name of the theory that explains plate movement?

• Plate Drift

• Continental Shift

• Plate Tectonics

• Earth Movement

What happens at a destructive plate boundary?

• Plates slide past each other

• Plates move apart

• One plate is forced under another

• Plates do not move

Which plate boundary creates new crust?

• Destructive

• Conservative

• Constructive

• Collision

What is magma called when it reaches the Earth's surface?

• Ash

• Lava

• Rock

• Steam

Which type of volcano is tall and cone-shaped?

• Shield

• Composite

• Dome

• Fissure