Give It a Push! Give It a Pull!: A Look at Forces (Lightning Bolt Books: Exploring Physical Science (Paperback))
You push a swing. Your brother pulls a wagon. Forces are at work all around you. But what exactly is a force? And how do forces act on different objects? Read this book to find out! Learn all about matter, energy, and forces in the Exploring Physical Science seriespart of the Lightning Bolt Books collection.