"Presents information on simple machines with a focus on inclined planes. Explains what an inclined plane is, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.
"Presents information on simple machines with a focus on inclined planes. Explains what an inclined plane is, and includes examples of past and present uses."--Provided by publisher.
Introduces young readers to inclined planes, explaining what they are, how they work, what they have been used for throughout history, and how they might be used in the future.
Introduces young readers to inclined planes, explaining what they are, how they work, what they have been used for throughout history, and how they might be used in the future.
