Lesson 1: Forms of Energy – We reviewed how potential and kinetic energy differ and the three kinds of potential energy: gravitational, elastic, and chemical. Gravitational potential energy is when an object has mass and height above Earth’s surface such as water at the top of the waterfall. Chemical energy is energy that is stored and released in the bonds between atoms. Nuclear energy is the energy stored in and released from the nucleus of an atom. We compared and contrasted mechanical and thermal energy. Next we reviewed the types of energy carried by waves. Sound energy is carried by sound waves which are waves that move through matter and the energy carried by electromagnetic waves is radiant energy. Electromagnetic waves travel through matter and also through spaces with little or no matter. Nick took a practice quiz and will study the questions that he missed as well as his notes to prepare for a quiz tomorrow.