HMH Unit 7 Lesson 1

Front

What is a RENEWABLE resource?

Back

A renewable resource is a natural resource that can be replenished or regenerated over time, such as wood, solar energy, and wind energy.

Front

What is a NONrenewable resource?

Back

A nonrenewable resource is a natural resource that cannot be replenished in a short period of time, such as coal, oil, and natural gas.

Front

What is the geosphere?

Back

The geosphere is the system made up of Earth's dirt, rocks, and landforms, representing the solid Earth.

Front

What is the hydrosphere?

Back

The hydrosphere is the system that includes all the water found on, under, and over Earth's surface.

Front

What is the atmosphere?

Back

The atmosphere is the layer of gases surrounding Earth, essential for life and weather.

Front

What is the biosphere?

Back

The biosphere is the global sum of all ecosystems, where life exists on Earth.

Front

What is pollution?

Back

Pollution is the introduction of harmful substances or products into the environment, affecting air, water, and land.

Front

What is space junk?

Back

Space junk refers to debris from satellites, rockets, and other objects that remain in orbit around Earth.

Front

Why is space junk a pollution problem?

Back

Space junk poses risks to operational satellites and spacecraft, and can contribute to the degradation of the space environment.

Front

What are examples of renewable resources?

Back

Examples of renewable resources include solar energy, wind energy, hydroelectric power, and biomass.