"Simple machines are around us all the time and we use them every day. Many are built into complex machines, but the simple machine is still in there doing its job. Discover how simple machines enable practically everything around us to work, allowing us to travel in wheeled vehicles, lift very heavy objects, put things together, and take things apart"--Provided by publisher.
Text and pictures introduce the pulley, a simple machine used primarily to lift heavy objects. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Text and pictures introduce the lever, a simple machine used to change force and motion. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An exploration of levers, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An exploration of screws, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An exploration of wedges, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An exploration of pulleys, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An exploration of wheels and axles, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An exploration of inclined planes, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
