Elastic vs. Inelastic

   Elastic collisions have to do with two things crashing and bounce off each other while inelastic is when the two objects stick together after the crash. An example of an elastic collision is when someone kicks a ball and sends it flying. The moment from the foot is transferred when it hits the ball. An inelastic collision could be someone running into a chair and stays on it. Inelastic means the two things stick so when the man stays on the chair he sticks.

Phase Change

Today I put a hot bath up. When it was finished there was steam coming out of it. It was turning from a liquid into a gas in front of me. What was happening was the water was getting hot enough to turn in to a gas using... well gas. It is caused by convection from the heat of the gas