levers

Descubra c?mo esta sencilla m?quina facilita la elevaci?n, la reducci?n y la apertura de las cosas. Aprenden los tres tipos de palancas: de primera clase, de segunda clase y de tercera clase.

Through visually pleasing and informative infographics, readers are presented with scientific concepts that are manageable and that make sense in the context of their everyday lives.

Simple text and photographs provide an introduction to levers.

It's a beautiful day in Deanville, and the gang is presented with a new challenge. How will the kids solve this difficult new task? And how does a Greek mathematician play an important role?.

This book introduces young learners to the basics of levers, machines, and physics using real-life photographs and simple text.

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.

"Can you solve your problem with an inclined plane or a lever? Readers will learn about how simple machines work in this book for early readers."--.

Introduces young readers to the simple machine known as the lever, describing what it is and how it is used.

Text and illustrations provide young readers with information about seesaws, nutcrackers, and brooms--three simple machines that are really just different types of levers.

Explains scientific concepts related to levers, covering such topics as force arm and weight arm, and presents hands-on activities.