Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.
When someone attempts to steal a famous treasure from the museum of mysteries, you must prevent the theft by using math to solve number puzzles involving number patterns, factors and primes, fractions, place values, and more.
Describes airplane parts, engines, types, jobs, fun, and safety; shows what these machines looked like when they were first invented; and features quiz questions.
Why has the base crew on the Planet of Puzzles disappeared? Your mission is to rescue the crew, using your knowledge of data handling, including tables, charts, graphs, averages, and probability.
Explains the science of how screws work, discussing real-life examples such as nuts and bolts, corkscrews, faucets, and tunnel borers, and includes activities that illustrate the principles covered.
Explains the science of how levers work, discussing real-life examples such as openers, bridges, oars, and brakes, and includes activities that illustrate the principles covered.