21.1 Flashcard Materials Humans Use

Front

What is a natural resource?

Back

A natural resource is a material or substance that occurs in nature and is useful to humans, such as water, minerals, and forests.

Front

Which of the following is NOT a natural resource?

Back

Plastic is not a natural resource; it is a synthetic material.

Front

What is conservation?

Back

Conservation is the practice of limiting the amount of resources used and protecting natural resources.

Front

What happens during a drought?

Back

A drought occurs when there is a prolonged period of low rainfall, leading to water shortages.

Front

What should be prioritized during a drought?

Back

Drinking water should be prioritized over other uses, such as watering lawns.

Front

What is a renewable resource?

Back

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

Front

What is a fossil fuel?

Back

A fossil fuel is a type of fuel formed from the ancient remains of decomposed plants and animals, such as coal, oil, and natural gas.

Front

What is the difference between renewable and non-renewable resources?

Back

Renewable resources can be replenished naturally, while non-renewable resources exist in limited supply and can be depleted.

Front

What is an example of a renewable resource?

Back

An example of a renewable resource is sunlight, which can be harnessed for solar energy.

Front

What is an example of a non-renewable resource?

Back

An example of a non-renewable resource is coal, which takes millions of years to form.