Chapter Menu Chapter Introduction Lesson 1Lesson 1Energy Resources Lesson 2Lesson 2Renewable Energy Resources Lesson 3Lesson 3Land Resources Lesson 4Lesson 4Air and Water Resources Chapter Wrap-Up
Chapter Introduction Why is it important to manage natural resources wisely?
Chapter Introduction What do you think? Before you begin, decide if you agree or disagree with each of these statements. As you view this presentation, see if you change your mind about any of the statements.
Chapter Introduction 1.Nonrenewable energy resources include fossil fuels and uranium. 2.Energy use in the United States is lower than in other countries. 3.Renewable energy resources do not pollute the environment. Do you agree or disagree?
Chapter Introduction 4.Burning organic material can produce electricity. 5.Cities cover most of the land in the United States. 6.Minerals form over millions of years. Do you agree or disagree?
Chapter Introduction 7.Humans need oxygen and water to survive. 8.About 10 percent of Earth’s total water can be used by humans. Do you agree or disagree?
Lesson 1 Reading Guide - KC What are the main sources of nonrenewable energy? What are the advantages and disadvantages of using nonrenewable energy resources? How can individuals help manage nonrenewable resources wisely? Energy Resources
Lesson 1 Reading Guide - Vocab nonrenewable resource renewable resource nuclear energy reclamation Energy Resources
Lesson 1-1 Nonrenewable resourcesNonrenewable resources are resources that are used faster than they can be replaced by natural processes. Sources of Energy resource from Latin resurgere, means “to rise again”
Lesson 1-1 Renewable resourcesRenewable resources are resources that can be replaced by natural processes in a relatively short amount of time. Sources of Energy (cont.)
Lesson 1-1 Sources of Energy (cont.) What are the main nonrenewable energy resources?
Lesson 1-2 Coal, petroleum (oil), and natural gas are fossil fuels. Fossil fuels formed from the remains of prehistoric organisms. Nonrenewable Energy Resources
Lesson 1-2 Much of the coal used today began forming more than 300 million years ago from the remains of prehistoric plants.
Lesson 1-2 Reservoirs of oil and natural gas often are under layers of impermeable rock.
Lesson 1-2 There are advantages to using fossil fuels. Changing the chemical energy of fossil fuels into electric energy is easy. Fossil fuels are relatively inexpensive and easy to transport. Nonrenewable Energy Resources (cont.)
Lesson 1-2 There are disadvantages to using fossil fuels. Eventually, fossil fuels will be gone. Obtaining fossil fuels disturbs environments. Pollution occurs when fossil fuels are used. Nonrenewable Energy Resources (cont.)
Lesson 1-2 Nonrenewable Energy Resources (cont.) What is one advantage and one disadvantage of using fossil fuels?
Lesson 1-2 Energy released from nuclear reactions is called nuclear energy.nuclear energy Nuclear power plants produce electricity using nuclear fission. Nonrenewable Energy Resources (cont.)
Lesson 1-2 In a nuclear power plant, thermal energy released from splitting uranium atoms is transformed into electrical energy.
Lesson 1-2 A small amount of uranium releases a large amount of energy. Waste from nuclear power plants is radioactive and dangerous to living things. Nonrenewable Energy Resources (cont.)
Lesson 1-3 Fossil fuels and nuclear energy provide about 93 percent of U.S. energy. Although only about 4.5 percent of the world’s population lives in the United States, it uses more than 22 percent of the world’s total energy. Managing Nonrenewable Energy Resources
ReclamationReclamation is a process in which mined land must be recovered with soil and replanted with vegetation. Managing Nonrenewable Energy Resources (cont.) Photograph by H.E. Malde, USGS Photo Library, Denver, CO
Lesson 1-3 You can conserve energy by unplugging appliances when they are not in use and walking or riding a bike. Managing Nonrenewable Energy Resources (cont.)
Lesson 1-3 Managing Nonrenewable Energy Resources (cont.) How can you help manage nonrenewable resources wisely?
Lesson 1 - VS Fossil fuels include coal, oil, and natural gas. Fossil fuels take millions of years to form. Humans use fossil fuels at a much faster rate.
Lesson 1 - VS Nuclear energy comes from splitting atoms, or fission. Nuclear power plants must be monitored for safety, and nuclear waste must be stored properly.
Lesson 1 - VS It is important to manage nonrenewable energy resources wisely. This includes mine reclamation, limiting air pollutants, and conserving energy.
Lesson 1 – LR1 A.coal B.natural gas C.oil D.uranium Which resource do nuclear power plants use for fuel?
Lesson 1 – LR2 A.fossil B.nonrenewable C.nuclear D.renewable Which term refers to energy released from atomic reactions?
Lesson 1 – LR3 A.fossil B.nonrenewable C.nuclear D.renewable Which term refers to resources that can be replaced by natural processes in a relatively short amount of time?
Lesson 1 - Now 1.Nonrenewable energy resources include fossil fuels and uranium. 2.Energy use in the United States is lower than in other countries. Do you agree or disagree?
Lesson 2 Reading Guide - KC What are the main sources of renewable energy? What are the advantages and disadvantages of using renewable energy resources? What can individuals do to encourage the use of renewable energy resources? Renewable Energy Resources
Lesson 2 Reading Guide - Vocab solar energy wind farm hydroelectric power geothermal energy biomass energy Renewable Energy Resources
Lesson 2-1 Solar energy is energy from the Sun.Solar energy Active solar energy uses technology, such as solar panels, to gather and store solar energy. Renewable Energy Resources VisionsofAmerica/Joe Sohm/Photodisc/Getty Images
Lesson 2-1 Modern wind turbines can produce electricity on a large scale. A group of wind turbines that produce electricity is called a wind farm.wind farm Renewable Energy Resources (cont.) The McGraw-Hill Companies, Inc./John Flournoy, photographer
Lesson 2-1 Electricity produced by flowing water is called hydroelectric power.hydroelectric power
Lesson 2-1 Thermal energy from Earth’s interior is called geothermal energy.geothermal energy Renewable Energy Resources (cont.) geothermal from Greek ge-, means “Earth”; and Greek therme, means “heat”
Lesson 2-1 Geothermal power plants use thermal energy from Earth’s interior and produce electricity.
Lesson 2-1 Biomass energyBiomass energy is energy produced by burning organic matter, such as wood, food scraps, and alcohol. Renewable Energy Resources (cont.) What are the main sources of renewable energy?
Lesson 2-2 Renewable energy resources will be available for millions of years to come and produce less pollution than fossil fuels. Disadvantages associated with using renewable resources include that some are costly or limited to certain areas. Advantages and Disadvantages of Renewable Resources
Renewable energy currently meets only 7 percent of U.S. energy needs. Most renewable energy comes from biomass. Managing Renewable Energy Resources
Lesson 2-2 Management of renewable resources often focuses on encouraging their use. You can help educate others about renewable energy resources and make a difference by buying products that are made using renewable energy resources. Managing Renewable Energy Resources (cont.)
Lesson 2-2 Managing Renewable Energy Resources (cont.) What can you do to encourage the use of renewable energy resources?
Lesson 2 - VS Renewable energy resources can be used to heat homes, produce electricity, and power vehicles.
Lesson 2 - VS Advantages of renewable energy resources include little or no pollution and availability. Management of renewable energy resources includes encouraging their use and continuing to research more about their use.
Lesson 2 – LR1 A.availability in United States B.expense C.impact on birds D.pollution Which is a disadvantage of using wind energy?
Lesson 2 – LR2 A.biomass B.fossil C.geothermal D.solar Which refers to energy produced by burning organic matter?
Lesson 2 – LR3 A.7 B.50 C.70 D.100 What percentage of U.S. energy needs are currently met by renewable energy?
Lesson 2 - Now 3.Renewable energy resources do not pollute the environment. 4.Burning organic material can produce electricity. Do you agree or disagree?
Lesson 3 Reading Guide - KC Why is land considered a resource? What are the advantages and disadvantages of using land as a resource? How can individuals help manage land resources wisely? Land Resources
Lesson 3-1 A natural resource is something from Earth that living things use to meet their needs. Using soil for agriculture and wood for building are examples of people using land as a natural resource. Land as a Resource
Lesson 3-1 Land as a Resource (cont.) Why is land considered a resource?
Lesson 3-1 Forests and grasslands make up the largest categories of U.S. land use.
Lesson 3-2 Forests are cut down for fuel, paper products, and wood products. People also clear land for development and agriculture. Forests and Agriculture
Lesson 3-2 Certain minerals are mined to make products we use every day. Ores are deposits of minerals that are large enough to be mined for a profit.Ores Forests and Agriculture (cont.)
Lesson 3-2 Forests and Agriculture (cont.) ore from Old English ora, means “unworked metal”
Lesson 3-2 Many common products are made from mineral resources.
Lesson 3-3 Land resources such as soil and forests are widely available and easy to access. Crops and trees are renewable—they can be replanted and grown in a relatively short amount of time. Advantages and Disadvantages of Using Land Resources
Lesson 3-3 Deforestation is the cutting of large areas of forests for human activities.Deforestation Deforestation leads to soil erosion and loss of animal habitats. Deforestation can affect global climates by increasing the concentrations of carbon dioxide in the atmosphere. Advantages and Disadvantages of Using Land Resources (cont.)
Lesson 3-3 Runoff from mineral mines that contain chemicals can pollute soil and water. Advantages and Disadvantages of Using Land Resources (cont.) What are some advantages and disadvantages of using land resources?
Lesson 3-4 One way governments can manage forests and other unique ecosystems is by preserving them. Managing Land Resources
Lesson 3-4 preserve Science Use to keep safe from injury, harm, or destruction Common Use to can, pickle, or save something for future use Managing Land Resources (cont.)
Lesson 3-4 Land mined for mineral resources also must be preserved. Land used for farming and grazing can be managed to conserve soil and improve crop yield. Managing Land Resources (cont.)
Lesson 3-4 One way you can conserve land resources is by composting yard wastes and vegetable scraps. Managing Land Resources (cont.) Wave Royalty Free/Alamy
Lesson 3-4 Managing Land Resources (cont.) What can you do to help manage land resources wisely?
Lesson 3 - VS Land is a natural resource that humans use to meet their needs.
Lesson 3 - VS Disadvantages of using land as a resource include deforestation, which leads to increased erosion and increased carbon dioxide in the atmosphere.
Lesson 3 - VS Individuals can help manage land resources wisely by recycling, composting, and growing food in community gardens.
Lesson 3 – LR1 Which is NOT related to deforestation? A.animal habitats B.carbon dioxide in atmosphere C.climate change D.fossil fuels
Lesson 3 – LR2 A.ores B.geothermal energy C.fuel D.biomass Which term describes deposits of minerals that are mined for a profit?
Lesson 3 – LR3 A.biomass B.crops C.forests D.ores Which is nonrenewable?
Lesson 3 - Now 5.Cities cover most of the land in the United States. 6.Minerals form over millions of years. Do you agree or disagree?
Lesson 4 Reading Guide - KC Why is it important to manage air and water resources wisely? How can individuals help manage air and water resources wisely? Air and Water Resources
Lesson 4 Reading Guide - Vocab photochemical smog acid precipitation Air and Water Resources
Lesson 4-1 Air and water are resources that you cannot live without. Oxygen and water are needed for many life functions. Importance of Air and Water
Lesson 4-1 Most living things need air to survive but polluted air can actually harm humans and other living things.
Lesson 4-1 Burning fossil fuels releases not only energy, but also substances, such as nitrogen compounds. Importance of Air and Water (cont.)
Lesson 4-1 Photochemical smogPhotochemical smog is a brownish haze produced when nitrogen compounds and other pollutants in the air react in the presence of sunlight. Kent Knudson/PhotoLink/Getty Images
Lesson 4-1 Forest fires and volcanic eruptions release gases, ash, and dust into the air. This dust can cause health problems similar to those caused by smog. The burning of fossil fuels can react with water in the atmosphere to produce acid precipitation—precipitation that has a pH less than 5.6.acid precipitation Importance of Air and Water (cont.)
Lesson 4-1 Only 3 percent of water on Earth is freshwater, and most of that is frozen in glaciers. The total amount of water on Earth for humans to use is 0.9 percent. Importance of Air and Water (cont.)
Lesson 4-2 Management of air and water resources must consider both human needs and the needs of other living things. Managing Air and Water Resources Why is it important to manage air and water resources wisely?
Lesson 4-2 Legislation is an effective way to reduce air and water pollution. The regulations of the U.S. Clean Air Act, passed in 1970, limit the amount of certain pollutants that can be released into the air. Managing Air and Water Resources (cont.)
Lesson 4-2 The amount of sulfur compounds in the atmosphere decreased following the passage of the Clean Air Act.
Lesson 4-2 You can make your home more energy- efficient by using energy-saving lights and appliances. Managing Air and Water Resources (cont.) Mike Kemp/Getty Images
Lesson 4-2 You can reduce water pollution by properly using and disposing of harmful chemicals. Managing Air and Water Resources (cont.) Robert Manella for MMH
Lesson 4-2 How can individuals help manage air and water resources wisely? Managing Air and Water Resources (cont.)
Lesson 4 - VS Sources of air pollution include the burning of fossil fuels in vehicles and power plants, and natural events such as volcanic eruptions and forest fires.
Lesson 4 - VS Only a small percentage of Earth’s water is available for humans to use. Humans use water for agriculture, industry, recreation, and cleaning.
Lesson 4 - VS Management of air and water resources includes passing laws that regulate sources of air and water pollution. Individuals can reduce energy use and dispose of chemicals properly to help keep air and water clean.
Lesson 4 – LR1 A.can damage buildings B.forms below the soil C.pH is greater than 5.6 D.photochemical reaction Which phrase refers to acid precipitation?
Lesson 4 – LR2 A.fossil fuels B.precipitation with pH less than 5.6 C.oxygen in the air D.salt water oceans Which is essential for human life?
Lesson 4 – LR3 A.burning fossil fuels B.forest fires C.use of nuclear energy D.volcanic eruptions Which is NOT a source of air pollution?
Lesson 4 - Now 7.Humans need oxygen and water to survive. 8.About 10 percent of Earth’s total water can be used by humans. Do you agree or disagree?
Chapter Review Menu Key Concept Summary Interactive Concept Map Chapter Review Standardized Test Practice
The BIG Idea Wise management of natural resources helps extend the supply of nonrenewable resources, reduce pollution, and improve soil, air, and water quality.
Key Concepts 1 Nonrenewable resources include fossil fuels and uranium, which is used for nuclear energy. Nonrenewable energy resources are widely available and easy to convert to energy. However, using these resources can cause pollution and habitat disruption. Safety concerns also are an issue. People can conserve energy to help manage these resources. Lesson 1: Energy Resources
Key Concepts 2 Lesson 2: Renewable Energy Resources Renewable energy resources include solar energy, wind energy, water energy, geothermal energy, and biomass energy. Renewable resources cause little to no pollution. However, some types of renewable energy are costly or limited to certain areas. Individuals can help educate others about renewable resources.
Key Concepts 3 Land is considered a resource because it is used by living things to meet their needs, such as food and shelter. Some land resources are renewable, while others are not. Individuals can recycle and compost to help conserve land resources. Lesson 3: Land Resources
Key Concepts 4 Most living things cannot survive without clean air and water. Individuals can make their homes and schools more energy efficient. Lesson 4: Air and Water Resources
Chapter Review – MC1 A.composting B.deforestation C.reclamation D.strip mining Which describes the process by which mined land is recovered with soil and replanted with vegetation?
Chapter Review – MC2 A.biomass B.geothermal C.nuclear D.solar Which refers to energy from the Sun?
Chapter Review – MC3 A.biomass B.geothermal C.nuclear D.solar Which refers to energy from Earth’s interior?
Chapter Review – MC4 A.Crops and trees are renewable. B.Fossil fuels are renewable. C.Soil and forests are accessible. D.Soil and forests are available. Which is NOT an advantage of using land resources?
Chapter Review – MC5 A.cleaning air-conditioning filters B.properly disposing of harmful chemicals C.using energy-saving light bulbs D.using more nonrenewable energy sources Which is a way you can help manage air and water resources?
Chapter Review – STP1 A.fossil B.nonrenewable C.nuclear D.renewable Which term refers to resources that are used faster than they can be replaced by natural processes?
Chapter Review – STP2 A.amount of pollution produced B.dangers of burning uranium C.difficulty of mining D.expense of transportation Which is a disadvantage of using fossil fuels?
Chapter Review – STP3 A.composting B.deforestation C.preservation D.runoff Which term refers to the cutting of large areas of forests?
Chapter Review – STP4 A.biomass B.carbon dioxide C.oxygen D.smog What in the atmosphere does deforestation increase?
Chapter Review – STP5 A.acid precipitation B.chemical ash C.excess carbon dioxide D.photochemical smog Which is a brownish haze that forms in the atmosphere when certain pollutants react in the presence of sunlight?