Physics: The Science Behind Everything

PHYSICS is the branch of science that studies how the universe works — from the tiniest particles to the largest galaxies. Everything you touch, hear, see, and feel follows the rules of physics. MATTER is anything that has mass and takes up space, and ENERGY is the ability to cause change or do work. These two things — matter and energy — are at the heart of every physics investigation. Scientists who study physics are called PHYSICISTS, and they work in careers ranging from designing roller coasters to building medical devices. Understanding physics means understanding the FORCES that push, pull, and shape everything around you.