Earth Science Quiz

What is the Earth's crust made of?

• A single solid element

• A mixture of gases

• Naturally-occurring elements in different proportions

• Only liquid metal

Which layer of the Earth is liquid metal?

• Crust

• Mantle

• Inner core

• Outer core

How is sedimentary rock formed?

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

• Oxygen

• Nitrogen

• Carbon dioxide

• Argon

What is magma?

• Liquid rock above the ground

• Liquid rock underground that cools slowly and forms large crystals

• Solid rock under the Earth's surface

• Rock transformed by heat and pressure

Which rock type is described as durable and hard, difficult to damage, and typically used for pavement and rail tracks?

• Sedimentary rock

• Igneous rock

• Metamorphic rock

• Lava rock

What process turns igneous rocks into metamorphic rocks?

• Cooling and freezing

• Weathering and erosion

• Compaction or cementation

• Heat and pressure

Which of the following is a use for sedimentary rock?

• Building materials (e.g., sandstone and limestone)

• Pavement

• Rail tracks

• Kitchen marble surfaces