What makes a vehicle move? -- Why is a scooter easy to ride? -- Why can bicycles go faster than scooters? -- Why do tires have treads? -- How does a car engine work? -- What makes a suspension bridge special? -- Do rails help trains to go faster? -- How do boats float? -- What drives boats? -- How do aircraft take off? -- Battle of forces.
Summary:
What makes racing bikes extra-fast? How do boats float? What makes an aircraft take off? Covering lots of different vehicles, including land vehicles such as bikes, cars and scooters, water vehicles such as large boats and speedboats, and airborne vehicles such as helicopters and aeroplanes, Race that Bike! takes a fun look at forces in vehicles. While learning about forces you will find that you also find out the answers to many questions that you have asked yourself about how vehicles work, and more.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.