Exploring the Earth's Layers

What is the Earth's crust made of?

• The Earth's crust is primarily composed of metals like iron and gold.

• The Earth's crust is made of organic materials like plants and animals.

• The Earth's crust is made of rocks and soil.

• The Earth's crust is made of water and air.

Is the crust under the oceans thicker or thinner than on land?

• Variable thickness depending on location

• Thinner

• Equal thickness

• Thicker

What layer sits beneath the Earth's crust?

• core

• mantle

• inner core

• outer core

What is the mantle made of?

• The mantle is made of solid rock and ice.

• The mantle is made of gases like oxygen and nitrogen.

• The mantle is made of hot, solid rock.

• The mantle is mostly made of water and ice.

Which part of the Earth is the thickest?

• Mantle

• Crust

• Core

• Atmosphere

What is the core made of?

• Iron and nickel

• Copper and zinc

• Silicon and aluminum

• Lead and mercury

What is lava made of?

• Frozen water

• Liquid metal

• Lava is made of molten rock

• Compressed air

How many parts does the Earth's core have?

• 3

• 4

• 2

• 1

Is the outer core solid or liquid?

• gas

• liquid

• solid

• plasma

Which part of the core is the hottest?

• Inner core

• Crust

• Mantle

• Outer core