Ch. VI Review

Fossil fuels are natural resources that formed from:

• meteorites that struck Earth over millions of years.

• the remains of dinosaurs.

• the remains of plants and animals that were buried millions of years ago.

• plants and animals that have decayed over the past several hundred years.

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Which best represents a nonrenewable resource?

• timber, which comes from trees that die once they are cut down

• fish, which die once they are caught, making it hard to create new fish

• biofuel, which is created using components of plants and animals

• oil, which formed deep within the planet millions of years ago and is held in oil reserves

Humans use numerous resources. Scientists regard some resources as renewable, whereas others are not. Classify the resources as either renewable or nonrenewable.

Groups:

(a) Renewable

,

(b) Nonrenewable

• Nonmetal Minerals

• Coal

• Trees

• Fish

• Crops

• Metal Minerals

• Soil

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How many years have most nonrenewable resources existed?

• hundreds

• thousands

• millions

• a few

Which choice does not represent a way humans use coal?

• Humans burn coal to help boil water and create steam to power trains and factories.

• Humans burn coal to help heat their homes and cook on their grills.

• Humans grind up coal and mix it with water so they can use it to power their cars.

• Humans turn coal into a liquid-like substance known as tar, which is used in many different products, including dandruff shampoo.

Most minerals and many other natural resources are found underneath the ground. Which choice does this fact support?

• Access to minerals can be dangerous and expensive.

• We know the exact amount of minerals that exist on Earth.

• Access to some natural resources is less expensive than others.

• Some minerals and other natural resources exist where we can see them.

Some renewable energy resources, such as solar energy and hydropower, have several important advantages over nonrenewable resources. Which is an advantage of renewable energy resources?

• Renewable resources use hydrocarbons differently than nonrenewable sources.

• Some renewable energy sources will never run out.

• Renewable resources do not release hydrogen into the atmosphere.

• Energy companies cannot charge consumers for renewable energy.

A major advantage of using renewable natural resources rather than nonrenewable natural resources is that renewable resources

• do not produce pollution.

• do not have to be conserved.

• are replenished more quickly.

• can be used to generate electricity

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Which of the following is a drawback of renewable resources?

• Many renewable resources often create pollution as a result of combustion.

• Some renewable resources are quickly replaced after use or are not used up at all.

• Some renewable resources cost more to use than their nonrenewable counterparts.

• Many renewable resources can be hazardous or hard to manage in terms of waste products.

This list provides common resources on which humans depend. Think about the type of human activity needed to use these resources. Then classify the following energy resources as either renewable or nonrenewable.

Groups:

(a) Renewable

,

(b) Nonerenewable

• biofuel

• wind

• gasoline

• wood

• clean coal

• sunlight

• oil

• nuclear fuel