The Changing Earth

The inner core is:

• Made up of hot liquid metal
• located in the center of Earth
• Makes up the continents and the ocean floors
• the thickest layer

The outer core is:

• Made up of hot liquid metal
• located in the center of Earth
• Makes up the continents and the ocean floors
• the thickest layer

The mantle is:

• Made up of hot liquid metal
• located in the center of Earth
• Makes up the continents and the ocean floors
• the thickest layer

The Earth's crust:

• Made up of hot liquid metal
• located in the center of Earth
• Makes up the continents and the ocean floors
• the thickest layer

The Earth has __________ layers.

• 2
• 3
• 4

The Earth is about __________ miles wide.

• 2,000
• 4,000
• 8,000

The surface of the Earth is made up of large pieces called:

• Plates
• Layers
• Rocks

The Earth has ________ major pieces that make up the crust.

• 6
• 7
• 8

It takes _____________ of years for mountains to form

• hundreds
• thousands
• millions

Mountains begin forming ______________

• below the surface
• above the surface
• on the crust