Quiz on Earth's Subsystems

What does the geosphere include?

• Only the liquid rock in the mantle

• Only the mountains on the surface

• All the rocks, minerals, and ground on and in Earth

• Only the ocean floor

What is the hydrosphere composed of?

• Only polar ice caps

• Only groundwater

• Solid, liquid, and gaseous water

• Only liquid water

What is the primary function of the ozone layer?

• To absorb carbon dioxide

• To create weather patterns

• To provide oxygen for breathing

• To absorb ultraviolet rays from the sun

What percentage of Earth's water is salty?

• 100%

• 97%

• 50%

• 75%

Which of the following is NOT a major type of biome in the biosphere?

• Desert

• Forest

• Aquatic biome

• Mountain

What is the main source of energy for Earth's systems?

• The moon

• Wind

• The sun

• Volcanic activity

What is the biosphere?

• The water bodies of Earth

• The layer of gases surrounding Earth

• All living organisms on Earth

• The solid ground of Earth

Which gas is NOT a permanent gas in the atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Argon

What is the primary role of the atmosphere?

• To absorb solar radiation and redistribute heat

• To form solid ground

• To support aquatic life

• To provide nutrients to plants

Which subsystem includes all the solid ground on Earth?

• Hydrosphere

• Biosphere

• Atmosphere

• Geosphere