"What does it take to make a simple trap? Gather some supplies and try it out for yourself! Discover tips and ideas on how to build the best trap around!"--Provided by publisher.
Did you see a flagpole today? Then you’ve seen a pulley at work! These simple machines are all around. Take a look inside this book, and discover 13 different uses for pulleys.
Did you ride a bike today? Then you’ve used wheels and axles! These simple machines are all around. Take a look inside this book, and discover 13 different ways we use wheels and axles.
Did you walk up a ramp today? Then you've used an inclined plane! These simple machines are all around. Take a look inside this book, and discover 13 ways we use inclined planes.
Did you use a fork today? Then you've used a lever! These simple machines are all around. Take a look inside this book, and discover 13 different ways we use levers.
Did you put the cap on the toothpaste tube today? Then you’ve used a screw! These simple machines are all around. Take a look inside this book, and discover 13 different ways we use screws.
Did you use a scissors today? Then you’ve used wedges! These simple machines are all around. Take a look inside this book, and discover 13 different ways we use wedges.
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.
Text and illustrations provide an introduction to wedges and inclined planes, showing how these simple machines can be used to make a salad and other tasks.
