Simple Machine Experiments Using Seesaws, Wheels, Pulleys, and More : One Hour or Less Science Experiments
Leverbaar
Describes experiments involving simple machines that follow the scientific method, and can be completed in an hour or less. Explore using levers to control motion and lift, and how the steepness of inclined planes affects the force needed to move something. Most experiments also include ideas for science fair projects
Gebonden | 48 pagina's | Engels
1e druk | Verschenen in 2012
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