Earth as a System Quiz

What is meant by Earth being a system?

• A random assortment of materials

• A collection of unrelated parts

• A group of related parts working together

• A single entity with no parts

Which prefix is used to refer to Earth's gases?

• Hydro

• Bio

• Atmo

• Geo

What does the cryosphere consist of?

• All of Earth's frozen water

• All of Earth's liquid water

• All of Earth's gases

• All of Earth's rocks and minerals

How does energy from the sun reach Earth?

• Through conduction

• Through reflection

• Through radiation

• Through convection

What happens to energy after it arrives on Earth?

• It becomes matter

• It stays permanently

• It eventually leaves Earth

• It is destroyed

How does matter behave within the Earth system?

• It remains static

• It cycles within the system

• It flows through the system

• It disappears into space

What is an example of matter cycling in the Earth system?

• The movement of tectonic plates

• The orbit of the moon

• The water cycle

• The flow of energy from the sun

What is a major human activity impacting the Earth system?

• Burning fossil fuels

• Using renewable energy

• Planting trees

• Recycling materials

What is the primary consequence of burning fossil fuels?

• Decreased carbon dioxide levels

• Excess carbon dioxide production

• Increased oxygen levels

• Reduced water vapor

How does climate change affect the Earth system?

• It stabilizes the climate

• It has no effect

• It causes rapid changes

• It only affects the biosphere