Energy Kinetic Energy: energy in the form of motion –Individual Motion (e.g., batted baseball) –Thermal Energy: energy of particles in random motion Potential.

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Presentation transcript:

Energy Kinetic Energy: energy in the form of motion –Individual Motion (e.g., batted baseball) –Thermal Energy: energy of particles in random motion Potential Energy: stored energy –Gravitational Potential (e.g., skier at top of slope) –Electrostatic Potential (e.g., charged particles) –Chemical Potential (e.g., batteries) –Rest-mass Energy (nuclear physics) –Other types Radiative Energy –Energy in the form of light (photons)

Thermal Energy Temperature measure thermal motion

Temperature Scales

Pressure

Molecules and Atoms

Structure of the Atom Neutral atom has the same number of protons as electrons

Nuclei of Atoms Almost all of the mass in the nucleus Different number or neutrons for isotopes