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Natural Resources Rock and Mineral Resources

Natural Resources Rock and Mineral Resources. Vocabulary Words for Chapter 4 / Section 1 Chapter 4 / Section 2. (1) Natural Resource. Sentence: Many countries around the world are rich in natural resources. Context Clues: Countries; rich.

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Natural Resources Rock and Mineral Resources

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  1. Natural ResourcesRock and Mineral Resources Vocabulary Words for Chapter 4 / Section 1 Chapter 4 / Section 2

  2. (1) Natural Resource • Sentence: Many countries around the world are rich in natural resources. • Context Clues: Countries; rich

  3. Natural Resource: [noun] Any natural materials used by humans. Most are used to make people’s lives easier and more comfortable. (page 128) • Synonyms: Air, soil, fresh water, petroleum, rocks, minerals, forests, and wildlife • Antonyms: None.

  4. (2) Renewable Resource • Sentence: Though renewable resources can be replaced, many are in danger of running out. • Context Clues: Replaced; running out

  5. Renewable Resource: [noun] A natural resource that can be replaced at the same rate at which the resource is used. However, it can be used too quickly. (page 129) • Synonyms: Trees; fresh water • Antonyms: Nonrenewable resource

  6. (3) Nonrenewable Resource • Sentence: Nonrenewable resources cannot be easily replaced because production takes too long. • Context Clues: Cannot be replaced; too long

  7. Nonrenewable Resource: [noun] A resource that forms at a rate [thousands of years] much slower than the rate at which it is used. When it runs out, we will have to find another resource. (page 129) • Synonyms: Petroleum; natural gas; fossil fuels • Antonyms: Renewable Resource

  8. (4) Recycle • Sentence: Recycling of aluminum cans saves energy, because less energy is used in recycling aluminum than in making new aluminum. • Context Clues: Aluminum; less energy

  9. Recycle: [verb] The process of recovering valuable or useful materials from waste or scrap; recycling reduces the amount of natural resources that must be obtained from Earth and conserves energy. (page 131) • Synonyms: Reduce; reuse [newspaper, glass, aluminum cans, plastic, cardboard boxes] • Antonyms: Waste

  10. (5) Mineral • Sentence: Discovering minerals in the soil can make someone very wealthy. • Context Clues: Soil; wealthy

  11. Mineral: [noun] A naturally formed, inorganic (not formed by or from living things) solid. Minerals have a steady chemical composition and have crystal structures. (page 132) • Synonyms: Crystal (copper, iron, diamond, gold, platinum, aluminum) • Antonyms: None.

  12. (6) Rock • Sentence: Shorelines are usually covered with rocks. • Context Clues: Shoreline

  13. Rock: [noun] Natural material that makes up most of the solid part of Earth’s surface; a rock may be made of minerals and/or nonmineral materials (i.e. coal). (page 132) • Synonyms: None. • Antonyms: None.

  14. (7) Metal • Sentence: Steel is a metal that is used a lot in building and manufacturing. • Context Clues: Steel

  15. Metal: [noun] Some minerals or products obtained from minerals; usually hard, shiny substances that can be melted, shaped, and cut to make things. Good conductors of heat and electricity.(page 136) • Synonyms: None. • Antonyms: Nonmetal

  16. (8) Nonmetal • Sentence: Nonmetallic substances, such as cement and sand, are also used to construct large buildings. • Context Clues: Cement; sand

  17. Nonmetal: [noun] Some minerals or products obtained from minerals; usually shiny or dull surfaces. Good insulators of heat and electricity. (page 137) • Synonyms: None. • Antonyms: Metal

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