Unit 6: Human Impacts

Front

What is clean energy?

Back

Energy that is produced with minimal impact on the environment, typically from renewable sources like wind, solar, and hydro.

Front

What are renewable resources?

Back

Resources that can be replenished naturally over time, such as solar energy, wind energy, and biomass.

Front

What are nonrenewable resources?

Back

Resources that cannot be replenished in a short period of time, such as oil, coal, and natural gas.

Front

Why is solar energy considered better than fossil fuels?

Back

Solar energy does not produce harmful emissions and is sustainable.

Front

What is underground mining?

Back

A method of mining that involves digging deep tunnels to extract minerals from beneath the earth's surface.

Front

What are the dangers of underground mining?

Back

It poses risks such as cave-ins, exposure to harmful gases, and accidents.

Front

What is surface mining?

Back

A method of mining that involves removing soil and rock above a mineral deposit to access it.

Front

What is open-pit mining?

Back

A surface mining technique where a large excavation is made to extract minerals.

Front

What is placer mining?

Back

A mining method that involves extracting minerals from alluvial deposits, often using water.

Front

What is the impact of coal on the environment?

Back

Coal mining and burning release harmful emissions and contribute to air pollution and climate change.