A substance with a pH less than 7 is acidic. If greater than 7, the substance is basic or alkaline. Explore these issues, analyze your results, consider options and take action. Roller Coaster Physics - Energy Understand the physics of roller coasters through kinetic energy, potential energy, free fall, velocity, projectile motion, accleration, centrifugal force, and friction. The Energy in the Wind Learn how a wind turbine works using kinetic energy.
Temperature is a measure of the speed with which they move.
The higher the temperature, the faster they move. It's a pretty simple idea. You think of heat, you think of fire. You think of cold, you think of an ice cube. It all has to do with kinetic energy.