Book Description
for How Do Seesaws Go Up and Down? by Jennifer Shand and Srimalie Bassani
From the Publisher
Come along on a science adventure to discover how seesaws go up and down, bigger bikes always seem to go faster than smaller bikes, and so much more! This fun question and answer book has everything from facts and figures to simple diagrams and hilarious illustrations to help you learn about the wheel and axle, wedge, lever, screw, inclined plane, and pulley.
Publisher description retrieved from Google Books.