Earth Science Quiz

What is the third planet from the Sun?

• Mars

• Earth

• Venus

• Mercury

Which planet is known to harbor life?

• Mars

• Jupiter

• Earth

• Saturn

What percentage of Earth's surface is covered by water?

• 50%

• 70%

• 80%

• 90%

What protects Earth from incoming debris?

• The Moon

• Venus

• Jupiter

• Saturn

What process regulates temperature on Earth?

• Photosynthesis

• Plate tectonics

• Erosion

• Weathering

Which layer of Earth is solid and includes the crust?

• Mantle

• Core

• Atmosphere

• Lithosphere

What are the two types of evidence used by geologists to learn about Earth's interior?

• Direct and indirect evidence

• Chemical and physical evidence

• Historical and geographical evidence

• Visual and auditory evidence

Which layer of Earth is mainly composed of iron and nickel?

• Crust

• Mantle

• Outer core

• Inner core

What is the primary component of the atmosphere?

• Oxygen

• Nitrogen

• Argon

• Carbon Dioxide

What is the biosphere?

• The layer of rocks

• The set of all life forms on Earth

• The gaseous layer

• The ocean