Explains how inclined planes are used, presenting examples from the past and in everyday contemporary life.

These kids are playing a game, trying to move a person with a simple machine. Which will work better—an inclined plane or a lever? Readers will see them compare the simple machines to decide. This book supports engineering design standards for primary grades in the Next Generation Science Standards.

Wheels, inclined planes, and wedges don't sound that amazing, until one of them gets you out of a jam. Need to brush your teeth? Cut an apple? Open a door? That's the utility of simple machines, which are all around us. We even have them in our bodies! And while they are simple, they make easy work of many tasks. Readers and report writers will discover just how important these deceptively simple machines can be!

Learn about how an inclined plane works! Beginner readers and budding young scientists will love learning about using simple machines in everyday situations. Along the way, readers will be supported by expertly leveled text, a strong text-photo match and appropriate text load. Readers will be excited to dig in and learn all about simple machines and basic physics concepts.

Is it easier to lift a bag full of toys with an inclined plane or a pulley? Readers will see how a group of kids compares two simple machines and decides which one does a better job at lifting the bag. This book supports engineering design standards for primary grades in the Next Generation Science Standards.

The Third Edition provides a comprehensive introduction to trench rescue, focusing on the knowledge and skills required to effectively perform rescues in a variety of trench environments.

Is it easier to move heavy box with an inclined plane or wheels and axles? Readers will see how a group of kids compares two simple machines and decides which one does a better job at transporting the box. This book supports engineering design standards for primary grades in the Next Generation Science Standards.