2 Thermal EnergyAll of the kinetic energy due to random motion of the particles that make up an objectDepends on the motion of the molecules AND how many molecules are present.The hotter the object… the faster the particles move… the more thermal energy it has…
3 Chemical EnergyEnergy comes from the rearrangement of atoms when new compounds form (chemical change)Is a form of potentialenergy.
4 Electrical Energy Energy comes from moving electrons Energy is transferred from a power plant through wires
5 Sound Energy Energy that comes from an object’s vibrations Ex. Strings on instruments cause the air molecules around them to vibrate. Vibrations carry the sound to our earsSound requires matter to transfer energy**Pulling back the guitar string = Potential Energy**Releasing the string lets it vibrate and produce a sound wave = Kinetic Energy
6 Light Energy Where does the energy come from? Energy comes from vibrations in electrically charged particlesNot all light can be seenLight does NOT need matter to transfer energy.Light energy can transfer through empty space
7 Nuclear EnergyEnergy that comes from changes in the nucleus of an atomWhen two nuclei join, called fusionEx. SUN: hydrogen joins to form heliumWhen one nucleus splits, called fission