materials humans use
common materials we use from the earth
People depend on natural resources for just about everything that keeps us fed and sheltered, as well as for the things that keep us entertained. Every person in the United States uses about 20,000 kilograms (40,000 pounds) of minerals every year for a wide range of products, such as cell phones, TVs, jewelry, and cars. Table 1.1 shows some common objects, the materials they are made from, and whether they are renewable or non-renewable. Common Object Natural Resources Used Cars 15 different metals, such as iron, lead, and chromium to make the body. Precious metals like gold, silver, and platinum. Gems like diamonds, rubies, emer- alds, turquoise. Jewelry Are These Resources Renewable or Non-Renewable? Non-renewable Non-renewable Common Object Natural Resources Used Electronic Appliances (TVs, com- puters, DVD players, cell phones, etc.) Clothing Many different metals, like copper, mercury, gold. Food Bottled Water Gasoline Household Electricity Paper Houses Soil to grow fibers such as cotton. Sunlight for the plants to grow. Animals for fur and leather. Soil to grow plants. Wildlife and agricultural animals. Water from streams or springs. Petroleum products to make plastic bottles. Petroleum drilled from wells. Coal, natural gas, solar power, wind power, hydroelectric power. Trees; Sunlight Soil. Trees for timber. Rocks and minerals for construc- tion materials, for example, granite, gravel, sand. Are These Resources Renewable or Non-Renewable? Non-renewable Renewable Renewable Non-renewable and Renewable Non-renewable Non-renewable and Renewable Renewable Non-renewable and Renewable Click image to the left or use the URL below. URL: Click image to the left or use the URL below. URL:
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every person in the u.s. uses about __ of minerals every year for a range of products, like tvs, cell phones, computers.
a) 2 kilograms b) 2000 kilograms --> c) 20,000 kilograms d) 2,000,000 kilograms
which common object is made mostly or entirely from renewable resources?
a) houses --> b) paper c) electricity d) all of the above
which common object is made mostly or entirely from nonrenewable resources?
a) cars b) jewelry c) cell phones --> d) all of the above
electronic devices are made from renewable resources such as cotton and trees.
a) true --> b) false
soil is a renewable resource, although if it is damaged it takes a long time to replace.
--> a) true b) false
people depend on ___ for almost everything that keeps us fed, sheltered, and entertained.
--> a) natural resources b) soil c) the atmosphere d) the water cycle
making clothing uses natural resources such as
a) metals --> b) soil c) wood d) none of these.
which of the following is not a natural resource?
a) sunlight b) soil c) animals --> d) money
rocks and minerals are natural resources that are used to create houses.
--> a) true b) false
electronics need unusual materials known as ____.
a) animal fur. b) fibers --> c) rare-earth elements d) all of these.
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