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Machines / Janice Parker.

by Parker, Janice.

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Weigl Publishers, c2009.

Machinery -- Juvenile literature

9781590369500 (hard cover : alk. paper)

1590369505 (hard cover : alk. paper)

9781590369517 (soft cover : alk. paper)

1590369513 (soft cover : alk. paper)

48 p. : col. ill. ; 27 cm.

Includes index.

What are machines? -- How do machines help people at home? -- How do refrigerators keep food cold? -- How do digital cameras work? -- How do video games work? -- How do machines keep people safe? -- How do machines help people work? -- How do metal detectors work? -- How does an elevator work?-- What do generators do? -- How is remote control used? -- How do robots take jobs away from people? -- How do computers help people work faster? -- How do machines move people? -- What is the difference between a gasoline engine and a diesel engine? -- What is a jet engine? -- How do machines hurt the environment? -- What impact do cars have on the environment? -- How do machines keep people healthy? -- How do people take photographs of bones? -- Careers with machines? -- Young scientists at work -- Take a machine survey -- Fast facts.

Illustrates how science touches and shapes our daily lives.

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