In Forces and Motion readers will discover how, from moving our bodies in the simplest ways to performing feats of athleticism to moving huge objects across vast distances at great speed, we harness forces and motion to improve our lives and explore our Universe. Special topics and areas of interest include the following: Explanations of terms and concepts such as acceleration, velocity, gravity, and buoyancy, Different forces or motions, including speed, friction, pressure, and projectile motion, How scientists investigate forces and motion, How we use various forces and motion in our everyday lives.