What is Energy

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What is Energy?

• By Kendra Scott
• Rhyne Elementary School

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What is Energy?

• Grade 5
• Objective 2.01 Access sources and forms of
  energy.
• Essential Questions What are the different
  forms of energy and how are they different?

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Energy Changes Things
Energy makes a ball move.
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Energy Changes Things

• Energy makes ice melt or water freeze.

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Energy Changes Things

• It takes energy to cook an egg.

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Energy Changes Things
Energy makes things work.
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There are two basic kinds of energy.
Kinetic energy is energy in motion.
Anything that moves or changes uses kinetic
energy.
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Forms of Energy

• Kinetic energy that makes something move is also
  called mechanical energy.

Mechanical energy makes water flow.
Mechanical energy makes this plane fly.
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Forms of Energy

• Kinetic energy that makes things warm or hot is
  also called thermal energy.

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Forms of Energy

• Electric energy uses electricity and is a type of
  kinetic energy.

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Forms of Energy

• Sound energy is another type of kinetic energy.
  You need sound energy to hear these noises.
  Click to hear

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Forms of Energy

• Light energy is the form of kinetic energy that
  lets us see things.

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There are two basic kinds of energy.

• Potential energy is the energy an something has
  because of where it is or its condition.

A ball has potential energy before it is thrown.
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Forms of Energy

• When something is about to fall it has
  potential energy.

This form of potential energy is called
gravitational potential energy.
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Forms of Energy

• Potential energy that is stored when something
  stretches or bends is also called elastic
  potential energy.

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Youve learned a lot!
Now show me what you know.
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Quiz

• What is energy?

What are the two main types of energy?
Name four forms of energy.
Name six things that use energy.