How Do Seesaws Go Up and Down?
Have you ever wondered how seesaws go up and down or how screws stay secure in walls? In the How Do series readers are welcome to guess along with the rest of us—and then explore the science behind the right answers. Beginning concepts of mec.. Read less
Descripción
Have you ever wondered how seesaws go up and down or how screws stay secure in walls? In the How Do series readers are welcome to guess along with the rest of usand then explore the science behind the right answers. Beginning concepts of mechanical engineering including levers wedges inclined planes and more are learned through diagrams photos and informative and engaging text.
Información
Brand: Houghton Mifflin Harcourt
Publisher Date: 02/12/2019
Author: Jennifer Shand & Illustrated by Srimalie Bassani
Dimensions: 8.0 x 8.0
UPC: 9781486714681
Ages: 4-7
Pages: 32
