To return to the chapter summary click Escape or close this document. Chapter Resources Click on one of the following icons to go to that resource. glencoe.com Image Bank Foldables Video Clips and Animations Standardized Test Practice Chapter Review Questions Chapter Summary

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To return to the chapter summary click Escape or close this document. Image Bank Desert

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To return to the chapter summary click Escape or close this document. Foldables Resources Make the following Foldable to help you organize information and diagram ideas about renewable and nonrenewable resources.

To return to the chapter summary click Escape or close this document. Foldables Fold sheet of paper in half lengthwise. Make the back edge about 5 cm longer than the front edge.

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To return to the chapter summary click Escape or close this document. Foldables Unfold and cut only the top layer along the fold to make two tabs. Label the Foldable as shown.

To return to the chapter summary click Escape or close this document. Foldables Before you read the chapter, list examples of each type of natural resource you already know on the back of the appropriate tabs. As you read the chapter, add to your list. Make a Concept Map

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To return to the chapter summary click Escape or close this document. 1 1 Natural resources are the parts of the environment that supply materials needed for the survival of living organisms. Resources Renewable resources are being replaced continually by natural processes. Reviewing Main Ideas Nonrenewable resources cannot be replaced or are replaced very slowly.

To return to the chapter summary click Escape or close this document. 1 1 Energy sources include fossil fuels, wind, solar energy, geothermal energy, hydroelectric power, and nuclear power. Resources Reviewing Main Ideas

To return to the chapter summary click Escape or close this document. 2 2 Pollution Reviewing Main Ideas Most air pollution is made up of waste products from the burning of fossil fuels. The greenhouse effect is the warming of Earth by a blanket of heat-reflecting gases in the atmosphere.

To return to the chapter summary click Escape or close this document. 2 2 Pollution Reviewing Main Ideas Water can be polluted by acid rain and by the spilling of oil or other wastes into waterways. Solid wastes and hazardous wastes dumped on land or disposed of in landfills can pollute the soil. Erosion can cause the loss of fertile topsoil.

To return to the chapter summary click Escape or close this document. 3 3 The Three Rs of Conservation Reviewing Main Ideas You can reduce your use of natural resources in many ways. Reusing items is an excellent way to practice conservation. In recycling, materials are changed in some way so that they can be used again.

To return to the chapter summary click Escape or close this document. 3 3 The Three Rs of Conservation Reviewing Main Ideas Materials that can be recycled include paper, metals, glass, plastics, yard waste, and nonmeat kitchen scraps.

To return to the chapter summary click Escape or close this document. Chapter Review Question 1 Answer _______ is an inexhaustible resource that provides a constant supply of heat and light. The answer is the Sun. Solar energy is an alternative to fossil fuels. PS 4.1b

To return to the chapter summary click Escape or close this document. Chapter Review Question 2 The mechanism in this illustration is used to produce what type of energy? PS 4.1b

To return to the chapter summary click Escape or close this document. Chapter Review A. hydroelectric power B. nuclear energy C. solar energy D. wind power PS 4.1b

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is B. Nuclear energy is released when billions of atomic nuclei from uranium are split apart in a nuclear fission reaction.

To return to the chapter summary click Escape or close this document. Chapter Review Question 3 What form of energy would you most likely find in the desert regions of Arizona? A. hydroelectric B. geothermal C. nuclear D. solar PS 4.1b

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is D. The continuous amount of sunlight received each day makes solar power the most likely form of energy.

To return to the chapter summary click Escape or close this document. Chapter Review Question 4 Answer The heat contained in Earth’s crust is called _______. The answer is geothermal energy. Natural geysers and volcanoes are examples of geothermal energy. PS 4.1b

To return to the chapter summary click Escape or close this document. Chapter Review Question 5 Which is a hazardous waste? A. aluminum cans B. batteries C. newspapers D. plastics LE 7.2c

To return to the chapter summary click Escape or close this document. Chapter Review Answer The answer is B. Hazardous wastes are harmful to human health and can be poisonous to other living organisms.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 1 The structure in this illustration utilizes _______ energy? PS 4.1b

To return to the chapter summary click Escape or close this document. Standardized Test Practice A. geothermal B. nuclear C. solar D. wind PS 4.1b

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is C. Solar technologies use the Sun’s energy in many ways, from heating to generating electricity.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 2 This illustration best represents _______. LE 7.2d

To return to the chapter summary click Escape or close this document. Standardized Test Practice A. air pollution B. ozone depletion C. the greenhouse effect D. the carbon cycle LE 7.2d

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is C. The greenhouse effect is a heat-trapping feature of our atmosphere. Without it, temperatures on Earth would probably be too cold to support life.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 3 Which is the best way to reduce your use of natural resources? A. asking for paper bags instead of plastic B. buying plastic bottles of soda instead of cans C. cruising D. ride a bicycle instead of taking the bus or riding in a car LE 7.2c

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is D. Riding a bicycle requires no use of natural resources.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 4 Which level of the atmosphere holds the oxygen you breathe? A. mesosphere B. ozone layer C. stratosphere D. troposphere PS 2.1a

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is D. The Troposphere contains oxygen molecules made of two oxygen atoms, which is the form of oxygen you breathe.

To return to the chapter summary click Escape or close this document. Standardized Test Practice Question 5 Chlorofluorocarbons (CFC’s) are best known for contributing to which of the following? A. acid precipitation B. global warming C. ozone depletion D. water pollution LE 7.2d

To return to the chapter summary click Escape or close this document. Standardized Test Practice Answer The answer is C. CFCs are used in the cooling systems of refrigerators, freezers, and air conditioners. CFCs react chemically with ozone, breaking apart the ozone molecules.

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