The Earth Gunnersbury

What is the Earth's crust primarily made of?

• Nitrogen and oxygen

• Silicon and oxygen

• Iron and nickel

• Hydrogen and helium

Which layer of the Earth is liquid metal?

• Crust

• Mantle

• Inner core

• Outer core

What process forms sedimentary rocks?

• Cooling and freezing

• Compaction or cementation

• Melting

• Heating and pressure

Which type of rock is formed from magma?

• Sedimentary rock

• Metamorphic rock

• Igneous rock

• Limestone

What is the main component of the Earth's atmosphere?

• Oxygen

• Argon

• Nitrogen

• Carbon dioxide

What type of rock is primarily formed by high pressure and heat?

• Sedimentary rock

• Metamorphic rock

• Igneous rock

• Sandstone

Which layer of the Earth is composed mostly of solid iron and nickel?

• Crust

• Mantle

• Inner core

• Outer core

What is the primary gas found in the Earth's atmosphere?

• Oxygen

• Hydrogen

• Nitrogen

• Helium

Which process is primarily responsible for the formation of igneous rocks?

• Compaction or cementation

• Cooling and solidification of magma

• High pressure and heat

• Weathering and erosion

What is the most abundant element in the Earth's crust?

• Iron

• Carbon

• Oxygen

• Nitrogen