Human Impact

Front

What is oil?

Back

A fossil fuel; non-renewable energy source; made from decomposed plants and animals.

Front

What is the control in the experiment: 'If engineers build a dam across the river, then less sand will migrate to the beaches'?

Back

No dam.

Front

What is deforestation?

Back

The destruction of forests in order to make the land available for other uses.

Front

In the experiment: 'If people inhale more smog, then they will not be able to hold their breath as long', what is the dependent variable (DV)?

Back

How long they can hold their breath.

Front

True or False: Drilling and transporting fossil fuels causes damage to natural habitats and can lead to land and water pollution.

Back

True.

Front

What is a renewable energy source?

Back

An energy source that can be replenished naturally, such as solar or wind energy.

Front

What is a non-renewable energy source?

Back

An energy source that cannot be replenished in a short period of time, such as fossil fuels.

Front

What is the impact of deforestation on biodiversity?

Back

Deforestation can lead to a loss of habitat for many species, reducing biodiversity.

Front

What is smog?

Back

A type of air pollution that is a mixture of smoke and fog, often caused by vehicle emissions and industrial discharges.

Front

What is the purpose of a dam?

Back

To control water flow, generate hydroelectric power, and create reservoirs.