Have you ever wondered how seesaws go up and down or how screws stay
secure in walls?
In the How Do series, readers are invited to guess and then explore the
science behind the right answers. Beginning concepts of mechanical
engineering, including levers, wedges, inclined planes, and more, are
explored in this newest engaging addition to the How Do series
About the How Do series: These visually appealing STEM titles for
inquisitive readers and young science enthusiasts, are fully illustrated
nonfiction picture books that are a great introduction to various STEM
topics. Each title includes facts and figures, simple diagrams and
hilarious illustrations and is written in a question-and-answer format
to encourage readers to ask questions and guess the answers before
exploring the science behind the correct answers.