Earth's Spheres Quiz

Which of the following is NOT one of the three major subsystems of Earth?

• Geosphere

• Hydrosphere

• Lithosphere

• Atmosphere

What is the primary composition of the oceanic crust?

• Granite

• Iron

• Basalt

• Nickel

Which layer of the Earth is known for its plastic-like properties?

• Lithosphere

• Asthenosphere

• Inner Core

• Outer Core

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

• 75%

• 85%

• 60%

• 50%

What is the term for the frozen parts of the hydrosphere?

• Biosphere

• Lithosphere

• Atmosphere

• Cryosphere

Which layer of the atmosphere contains the ozone layer?

• Troposphere

• Thermosphere

• Stratosphere

• Mesosphere

In which atmospheric layer do meteors burn up?

• Mesosphere

• Stratosphere

• Thermosphere

• Troposphere

Which layer of the atmosphere is responsible for auroras?

• Troposphere

• Thermosphere

• Stratosphere

• Mesosphere

What does the prefix 'bio' in biosphere signify?

• Water

• Earth

• Life

• Air

Which sphere includes all forms of life on Earth?

• Hydrosphere

• Biosphere

• Atmosphere

• Geosphere