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Takes a look at ramps and wedges, what they are, how they are used, and how they help us.
Why do skiers use a zigzag path down steep slopes? How does a zipper work? How does a lock work? Ramp and wedges are simple machines that can be used to make other machines work. When you open a lock, cut something with scissors, zip up your coat, or use a doorstop you are using ramps or wedges. Ramps and Wedges explains what these machines are and how they help you do everyday things.
Explains how and why ramps and other inclined planes are used in everyday life.
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.
How are a water slide and a ski jump alike? Why is pushing something along a ramp much easier than lifting it in the air? Why do skis zigzag down a hill? How can a simple wedge stop an airplane? This book answers these questions and shows you how different kinds of these two simple machines are all around you to make your work and play easier.
This series offers a clear introduction to simple machines - what they are, what they're made of, and how we use them in today's world. Exciting examples of each machine's applications draw on the world familiar to a child - machines that we use all the time, including some that may be hidden in houshold objects or everyday fixtures. Amazing machine facts illustrate how we use machines to do tasks that would otherwise be difficult or impossible.
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines ramps and wedges, and uses simple language and labeled photographs to explain the scientific principles behind their use.
Making Machines with Ramps and Wedges looks at everything from ramps and wedges in history, such as stone axes, to the role of these simple machines in more complex machines, such as construction diggers.
A ramp is a simple machine that makes it easier for us to move things. A ramp has a bigger distance along the slope than it has along the vertical distance. Find out all about this simple machine in this title.
From axes to doorstops, wedges are at work all over in our world today. Learn all about them in five easy-to-read chapters. Vibrant, full-color photos, bolded glossary words, and a key stats section let readers zoom in even deeper. Aligned to Common Core Standards and correlated to state standards. Abdo Zoom is a division of ABDO.