01442cam a2200241 4500 75489005 TxAuBib 20110516120000.0 091113t20112010||||||||||||||||||||eng|u 2009045108 9781599205625 lib. bdg. 1599205629 lib. bdg. DLC DLC SOM DLC TxAuBib Theme parks, playgrounds, and toys / Nicolas Brasch. Mankato, Minn : Smart Apple Media, 2011. ©2010. 32 p. : col. ill. ; 29 cm. Includes index. Understanding the world through science -- The science behind theme parks, playgrounds and toys -- How do roller-coasters work? -- Why do I move forward when my bumper car is hit from the front? -- Why do I look so silly in fairground mirrors? -- Do heavier people go down slides faster than lighter people? -- Why does moving my legs help me swing higher? -- How can two people of different weight make a seesaw stay level? -- Why does a spinning top keep turning around? -- How do yo-yos come back up? -- Why are bubbles always round? -- How do remote control toys receive their signals? -- Why do super balls bounce so high? -- How do kites stay up? -- How do magnets work? 20110516. Science Miscellanea Juvenile literature. Science Miscellanea.