Types of Energy

​Types of Energy and Energy Transformations

​Instructions: Take notes as you work through the slides and video. Complete questions along the way. Your grade will be based on your participation and score.

an object with energy can produce a change in itself or the world around it (AKA do work)

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​What is energy?

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electromagnetic energy (light/radiation)

thermal energy (heat)

chemical energy (bonding)

nuclear energy (nuclear force)​

mechanical energy (moving energy (kinetic), potential - gravitational, elastic, acoustical)

electrical energy (moving electric charges)

​What are the main forms of energy?

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Match

Match the type of energy with the best example.

• Chemical potential energy

• Electrical energy

• Mechanical energy

• Gravitational potential

  energy

• Thermal energy

Breaking down food for energy

Electrons moving through a wire

A roller coaster moving along a track

Dropping a bowling ball off a cliff

Hot coffee transferring energy to your hand

• Breaking down food for energy

• Electrons moving through a wire

• A roller coaster moving along a track

• Dropping a bowling ball off a cliff

• Hot coffee transferring energy to your hand

​Energy Transformations

Energy transfer is the movement of energy from one location to another. For example, when electricity moves from a wall plug, through a charger, to a battery.

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Energy transformation is when energy changes from one form to another – like in a hydroelectric dam that transforms the kinetic energy of water into electrical energy.

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While energy can be transferred or transformed, the total amount of energy does not change ­– this is called the Law of Conservation of Energy.

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Multiple Choice

A system has 50 J of mechanical energy. If it has 20 J of kinetic energy, how much energy is there in other forms?

• 10 J

• 20 J

• 30 J

• 50 J

Open Ended

Give an example of an energy transfer. Include the types of energy involved and be specific.