Balloons are more than just a lot of hot air! Take off on an adventure through topics in physics, chemistry, and biology. Race balloon cars, build a balloon-powered boat, and fly a balloon helicopter. Puncture a balloon without it popping. Stick a balloon to the wall without glue. Measure your lung capacity. Learn where rubber comes from. Discover more than one way to blow up a balloon. Build a barometer, a fire extinguisher, and a water yo-yo. Investigate air pressure and the properties of fluids and gases. The full-color, 32-page book guides you through 24 action-packed experiments, giving you scientific explanations each step of the way. Winner of a 2004 Parents’ Choice Recommended Award. Ages 8 and up.
• learn about balloons and rubber
• investigate forces with balloon rockets
• observe surprising physical science phenomena
• perform electrostatic magic tricks
• take volume measurements
• discover air pressure
WARNING! CHOKING HAZARD — Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.