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201-A: Energy Transfer 1: Recognize Energy Types

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201-A: Energy Transfer 1: Recognize Energy Types

BACK to Ladder Conceptual Conservation of Energy

Five Types of Energy To Start

Definition
Examples
Kinetic Energy
Energy of something moving.
  • A sprinter running.
  • A car driving.
Gravitational Potential Energy
Energy of something that is high up off the ground.
  • A bungee jumper on a high cliff about to jump
  • A glass of water sitting on the edge of a table
Elastic Potential Energy
Energy stored in something that has been stretched or compressed.
  • A stretched rubber band.
  • A bowstring just before an arrow is released.
  • A trampoline when you fall onto it and it stretches out.
Thermal Energy
Energy of moving molecules.
  • All items have thermal energy! Warmer objects just have more than cooler objects.
Chemical Potential Energy
Energy contained in chemical bonds between atoms.
  • Food
  • Gasoline

For each item, state what type of energy it has. (If it has more than one, pick the best option!)

For each type of energy, draw a picture of something with that type of energy.

  1. Kinetic Energy
  2. Gravitational Potential Energy
  3. Elastic Potential Energy
  4. Thermal Energy
  5. Chemical Potential Energy

Five More types of Energy

Definition
Examples
Electrical Energy
Energy of moving electrons.
  • Electric Current in a wire
  • A static shock
  • A lightning bolt.
Electrochemical Potential Energy
A specific type of chemical potential energy that can easily be converted into electrical energy.
  • A battery
Mechanical Wave Energy
Waves of oscillation that move through matter; made by atoms pushing other atoms.
  • Water waves
  • Sound
Electromagnetic Wave Energy
Waves of oscillating electric and magnetic energy.
  • Light
  • Microwaves (Not a microwave oven, the things that a microwave oven makes!)
  • Ultraviolet light
Nuclear Energy
Energy contained in the nucleus of an atom; energy contained in mass.
  • All objects have nuclear energy.
  • Objects whose nuclear energy is released are radioactive.

A common error: don't call Mechanical Wave Energy "Mechanical Energy"!! It's very important to indicate it is a wave, and mechanical energy is actually a different thing we will learn about later!

For each item, state what type of energy it has. (If it has more than one, pick the best option!)

    For each type of energy, draw a picture of something that shows that type of energy.

    1. Electrical Energy
    2. Mechanical Wave Energy
    3. Electromagnetic Wave Energy
    4. Nuclear Energy
    5. Electrochemical Potential Energy

    BACK to Ladder Conceptual Conservation of Energy

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