1. Natural Resources 3.1 Natural resources support human activity. 3.2
CHAPTER
NEW CHAPTER
Natural Resources
the BIG idea
Society depends on natural resources for energy and materials.
3.1
Natural resources support human activity.
3.2
Resources can be conserved and recycled.
3.3
Energy comes from other natural resources.
CHAPTER OUTLINE

2. Natural resources support human activity.
3.1
Natural resources support human activity.
Renewable
Resources
• Sunlight
• Wind
• Water
• Trees, other plants
• Plant and animal waste
Examples
of Products
• Lumber
• Paper
• Clothing
natural resource
renewable resource
Energy
nonrenewable resource
fossil fuel
Nonrenewable
Resources
• Coal
• Oil, natural gas
• Uranium
• Minerals, rocks
Examples
of Products
• Fuels
• Plastics
• Electronic
goods
SECTION
OUTLINE

3. 3.1 natural resource Natural resources support human activity.
renewable resource
Any type of matter or energy from Earth’s environment that humans use to meet their needs.
nonrenewable resource
fossil fuel
KEY CONCEPT
SUMMARY

4. 3.1 renewable resource Natural resources support human activity.
A natural resource that can be replaced in nature at about the same rate as it is used.
nonrenewable resource
fossil fuel
KEY CONCEPT
SUMMARY

5. nonrenewable resource
3.1
Natural resources support human activity.
natural resource
nonrenewable resource
renewable resource
A resource that exists in a fixed amount or is used up more quickly than it can be replaced in nature.
nonrenewable resource
fossil fuel
KEY CONCEPT
SUMMARY

6. 3.1 fossil fuel Natural resources support human activity.
renewable resource
Fuel formed from the remains of prehistoric organisms that is burned for energy.
nonrenewable resource
fossil fuel
KEY CONCEPT
SUMMARY

7. Resources can be conserved and recycled.
3.2
Resources can be conserved and recycled.
People can conserve natural resources by reducing waste at the source and reusing products.
conservation
recycling
This 1.9 liter (64 fl oz) carton has 1088 sq cm of packaging.
Eight travel-size containers provide 1.9 liters (64 fl oz) but have 2720 sq cm of packaging.
SECTION
OUTLINE

8. Resources can be conserved and recycled.
3.2
Resources can be conserved and recycled.
People can conserve natural resources by reducing waste at the source and reusing products.
conservation
Recycling helps people recover materials, reduce the use of fossil fuels, and protect the environment and human health.
recycling
SECTION
OUTLINE

9. 3.2 conservation Resources can be conserved and recycled.
recycling
The process of saving or protecting a natural resource.
KEY CONCEPT
SUMMARY

10. 3.2 recycling Resources can be conserved and recycled.
conservation
recycling
recycling
The reusing of materials that people would otherwise throw away, such as paper, glass, plastics, and certain metals.
KEY CONCEPT
SUMMARY

11. Energy comes from other natural resources.
3.3
Energy comes from other natural resources.
Nuclear power plants uranium
Geothermal plants Earth’s heat
nuclear fission
hydroelectric energy
Electrical Energy
geothermal energy
Hydroelectric dams
flowing water
Wind farms moving air
biomass
hydrogen fuel cell
Solar cells
sunlight
Biomass stations plant and animal waste
Hydrogen fuel cells hydrogen
SECTION
OUTLINE

12. 3.3 nuclear fission Energy comes from other natural resources.
hydroelectric energy
The process of splitting the nuclei of radioactive atoms, which releases huge amounts of energy mainly in the form of radiation and heat energy.
geothermal energy
biomass
hydrogen fuel cell
In the glossary, Science SPEng GlossaryEditB.doc, it is listed as nuclear fission.
KEY CONCEPT
SUMMARY

13. 3.3 hydroelectric energy Energy comes from other natural resources.
nuclear fission
hydroelectric energy
hydroelectric energy
Electricity that is generated by the conversion of the energy of moving water.
geothermal energy
biomass
hydrogen fuel cell
KEY CONCEPT
SUMMARY

14. 3.3 geothermal energy Energy comes from other natural resources.
nuclear fission
geothermal energy
hydroelectric energy
Heat energy that originates from within Earth and drives the movement of Earth’s tectonic plates. Geothermal energy can be used to generate electricity.
geothermal energy
biomass
hydrogen fuel cell
KEY CONCEPT
SUMMARY

15. 3.3 biomass Energy comes from other natural resources.
nuclear fission
biomass
hydroelectric energy
Organic matter that contains stored energy from sunlight and that can be burned as fuel.
geothermal energy
biomass
hydrogen fuel cell
KEY CONCEPT
SUMMARY

16. 3.3 hydrogen fuel cell Energy comes from other natural resources.
nuclear fission
hydrogen fuel cell
hydroelectric energy
A device that uses hydrogen and oxygen to produce electricity. The byproducts are heat and water.
geothermal energy
biomass
hydrogen fuel cell
KEY CONCEPT
SUMMARY

17. Natural resources support human activity.
3.1
Natural resources support human activity.
I. Natural resources support human activity.
natural resource
A. Natural resources provide materials and energy.
renewable resource
1. Renewable Resources
nonrenewable resource
2. Nonrenewable Resources
fossil fuel
B. Fossil fuels supply most of society’s energy.
1. Coal
2. Oil and Natural Gas
C. Fossil fuels, minerals, and plants supply materials for modern products.
KEY CONCEPT
SUMMARY

18. Resources can be conserved and recycled.
3.2
Resources can be conserved and recycled.
II. Resources can be conserved and recycled.
conservation
A. Conservation involves reducing waste and reusing natural resources.
recycling
B. Recycling involves recovering and extending natural resources.
KEY CONCEPT
SUMMARY

19. Energy comes from other natural resources.
3.3
Energy comes from other natural resources.
III. Energy comes from other natural resources.
nuclear fission
A. Nuclear power is used to produce electricity.
hydroelectric energy
B. Renewable resources are used to produce electricity and fuel.
geothermal energy
1. Hydroelectric Energy
biomass
2. Solar Energy
hydrogen fuel cell
3. Geothermal Energy
4. Wind Energy
5. Biomass Energy
6. Hydrogen Fuel Cells
KEY CONCEPT
SUMMARY