Physics: Understanding the Properties of Matter and Energy

Physics: Understanding the Properties of Matter and Energy — page 5
PHYSICS UNDERSTANDING THE PROPERTIES or MATTER AND ENERGY motion A bird flying through the air and an arrow shot out of a bow both have kinetic energy Potential energy is energy that is stored up but not yet used A rubber band that has been stretched out has potential energy As soon as it is let go that energy becomes kinetic because it is in motion The water behind a dam also has potential energy which becomes kinetic energy when water released from a dam rushes out In this book you will learn about the fun damentals of matter and energy and how physicists have discovered the basic building blocks of the universe and their properties You will also learn about the prominent scientists who have made these discoveries tested theo ries and given us a wider view of the known universe all by looking at its most basic parts 10