Unit 5 Chemical Reactions in Industry

What are synthetic materials?

• Materials that are found in nature and produced by people

• Materials that are not found in nature and not produced by people

• Materials that are not found in nature and produced by people

• Materials that are found in nature and not produced by people

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Which natural resources are used to make synthetic materials?

• Metal ore and oil

• Wood and water

• Coal and natural gas

• Sunlight and air

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How is quicklime produced?

• By burning wood in a kiln

• By burning oil in a kiln

• By burning coal in a kiln

• By burning limestone in a kiln

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What is concrete made from?

• Metal ore

• Oil

• Coal

• Limestone

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What causes heat islands?

• Decreased population in cities

• Increased vegetation in cities

• Decreased electricity and fuel used in cities

• Increased electricity and fuel used in cities

What does the production of concrete release into the atmosphere?

• Nitrogen

• Carbon dioxide

• Oxygen

• Water vapor

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NGSS.MS-PS1-3

What is brass?

• The alloy of aluminum and tin

• The alloy of iron and carbon

• The alloy of copper and zinc

• The alloy of silver and gold

How are plastics made?

• By weaving natural fibers together

• By melting metals and shaping them

• By carving wood and stone

• By joining small molecules into long chains

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What is an advantage of plastic pipes over metal pipes?

• Plastic pipes are more expensive

• Plastic pipes are less durable

• Plastic pipes are resistant to corrosion

• Plastic pipes are prone to corrosion

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Why should plastics be recycled?

• Because they are made from a renewable resource

• Because they don't break down easily and create pollution

• Because they are cheaper than other materials

• Because they are resistant to chemical changes

Tags

NGSS.MS-PS1-3