Human Impact

Front

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

Back

The amount of time 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 the control in the statement: 'If engineers build a dam across the river, then less sand will migrate to the beaches.'?

Back

No dam.

Front

Define deforestation.

Back

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

Front

How can we prevent water pollution?

Back

By reducing the use of plastic, properly disposing of chemicals, and cleaning up after our animals.

Front

What is smog?

Back

A type of air pollution that is a mixture of smoke and fog.

Front

What is the impact of fossil fuel extraction on the environment?

Back

It can lead to habitat destruction, land degradation, and water pollution.

Front

What is a dam?

Back

A barrier built to hold back water and create a reservoir.

Front

What are some effects of deforestation?

Back

Loss of biodiversity, disruption of water cycles, and increased carbon dioxide levels.

Front

What is the greenhouse effect?

Back

The warming of the Earth's surface due to trapped heat from greenhouse gases.