Investigate the mysterious forces that affect the earth, using materials found around the house. Build an earthquake detector from a shoebox, pencil, paper, and string. Create a glacier model that melts, moves, and leaves behind sand and rock. Experiment with gravity, magnetism, plants and recycling. All are simple, safe, and guaranteed to work. 128 pages, 30 b/w illus., 5 3/8 x 8 1/4.
Illustrated by Frances Zweifel
Future astronauts, pilots, would-be space scientists, and explorers will find plenty of activities here to feed their dreams. Every page gives kids a new chance to experiment, question, and think. They’ll learn about the basic laws of flight, and also about gravity and centripetal/centrifugal force. In addition, youngsters can get busy designing an airplane wing; constructing a simple helicopter-like toy; and making a variety of planes and gliders to see how they really work. Aerodynamics, astronomy, engineering, math, and this book has it all!