Unit 1: Energy

Chemical Potential Energy (Ech)

Energy stored in the bonds between atoms that gets released through a chemical reaction

Examples of Ech

Batteries: Ech converts to Eel

Matches: Matchhead has Ech bc its made of combustable chemicals; when lit, Ech --> Eth and Erad

Nuclear Potential Energy (En)

Energy stores in bonds b/w neurons + protons in nucleus that is released when atoms split or when nuclei fuse

Examples of En

Nuclear power plant: when fission occurs, Eth and Erad are used to produce/generate electricity

Electric Potential Energy (Eel)

Energy due to the separation of charged particles; when electrons + protons separate, Eel is created

Examples of Eel

Capacitor: one plate had positive charge, other has negatie

Gravitational Potential Energy (Eg)

Energy stored in separation of objects with mass

Magnetic Potential Energy

Energy stored in the separation of 2 magnetic objects

Pressure Potential Energy (Epr)

Energy stored in stretching or compressing GASSES or LIQUIDS

How does Epr increase?

Particles get more energy from heat and more around quicker and hit sides of an object

How does Epr decrease?

A balloon deflates because the coldness removes energy from the particles, causing them to slow down

Phase Potential Energy (Eph)

Energy stored in separation of particles in matter, when something changes phase

Examples of Eph

When you boil water, it begins to evaporate and the particles spread out

Spring/Elastic Potential Energy (Esp)

Energy stored in stretching or compressing solids

What does all potential energy convert to?

Kinetic energy

Kinetic Energy (Ek)

Energy of objects in motion

Thermal Energy (Eth)

Energy of random vibrations in matter

Acoustic Energy (Ea)

Energy of patterned vibrations in matter

Radiant Energy (Erad)

Energy of electromagnetic (light) vibrations in space