Pitsco Earth Rocks Briefing 3

What are the three main layers of the Earth?

• Crust, Water, Air

• Crust, Mantle, Core

• Soil, Rock, Metal

• Land, Sea, Sky

Which layer of the Earth is the thinnest?

• Mantle

• Core

• Crust

• Outer Core

What is the Earth's crust mostly made of?

• Water

• Minerals

• Metals

• Gas

What are tectonic plates?

• Large pieces of the Earth's crust

• Layers of the atmosphere

• Types of rocks

• Ocean currents

What can happen when tectonic plates move?

• Rainfall

• Earthquakes

• Snowfall

• Tornadoes

What is the core of the Earth made of?

• Water and air

• Soil and rocks

• Heavy metals like nickel and iron

• Sand and clay

What is the mantle of the Earth?

• A layer of water

• A rocky layer about 2,855 km thick

• A layer of air

• A layer of ice

What is the outer core of the Earth thought to be?

• Solid metal

• Liquid rock

• Molten rock

• Frozen water

What causes volcanoes to erupt?

• Rainfall

• Hot magma from the Earth's core

• Wind

• Ocean waves

What is the crust of the Earth compared to in the text?

• The peel of an orange

• The skin of an apple

• The shell of a nut

• The crust of a pie