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Ch. 12: Using Earth Materials

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8 diapositives · 280 Views · Jul 13, 2014

Ch. 12: Using Earth Materials. Vocabulary: natural resource, mineral, rock, ore, fuel, fossil fuel, nonrenewable resource, renewable resource. Natural resources are things in nature that people find useful. There are many types of natural resources.

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Ch. 12: Using Earth Materials
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  1. Ch. 12: Using Earth Materials Vocabulary: natural resource, mineral, rock, ore, fuel, fossil fuel, nonrenewable resource, renewable resource

  2. Natural resources are things in nature that people find useful. There are many types of natural resources. Some natural resources are renewable, others are nonrenewable. Natural Resources

  3. Nonrenewable resources are things that we cannot easily replace. Nonrenewable resources include minerals, rocks, oil, coal, and natural gas. Some of these resources take millions of years to replace. Nonrenewable Resources

  4. Minerals, Rocks, and Ores • A mineral is a solid non-living material that is found in or under the ground. • You can find many minerals around your home.

  5. Minerals, Rocks, and Ores • Rocks are large groups of many different kinds of minerals all smashed together. • For example, granite is made of two minerals named quartz and feldspar. • An ore is a type of rock that contains metal.

  6. Oil, Coal, and Natural Gas • Oil, coal, and natural gas come from deep inside the Earth, well below other minerals, rocks, or ores. • All three of them are fossil fuels, because they are created from the decaying bodies of plants and animals from millions of years ago. • Oil, coal, and natural gas are terrific fuels. • A fuel is a material that can be burned in order to release energy. • Oil is a special material, because not only is used to burn as fuel, but it is also used to make plastics. • Plastics are easier to mold and make things out of than wood or metal.

  7. A renewable resource is one that can be replaced easily. Some renewable resources include sunlight, wind, plants, and animals. Many renewable and nonrenewable resources are used to make electricity. Renewable Resources

  8. Questions About Chapter 12 • What are the two main categories of natural resources? • Name four natural resources that are used to make electricity. • What are three things that are considered renewable resources? • What mineral is used to make steel?