Forms of Energy

​What is Energy?

​​The ability to cause change in matter.

​Anything that moves has energy

​Types of Energy

Mechanical Energy - Energy of Motion

​What is Electrical Energy?

​A form of energy that comes from the movement of charged particles.

Multiple Choice

Water flows through turbines in dams like the one shown below. The flowing water makes the turbines spin. What type of energy is used to make the turbines spin in this type of dam?

• Light energy
• Thermal energy
• Sound energy
• Mechanical energy

​What is Light Energy?

Light energy travels in waves. This form of energy is one that we can see.

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​What is Thermal Energy?

​Thermal energy - energy from the motion of particles in matter (Heat!)

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​Cool hands become warm when rubbed together. Try it!

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​What is Sound Energy?

​A type of energy made by air vibrations.

Multiple Choice

The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?

• Light and sound
• Electrical and thermal
• Thermal and mechanical
• Mechanical and electrical

Multiple Choice

The computer uses ______ energy to turn on.

• Thermal

• Electrical

• Light

• Mechanical

Multiple Choice

The M stands for ______ energy.

• Music

• Mechanical

Multiple Choice

The E stands for _____ energy.

• Electrical

• Elevation

Multiple Choice

The L stands for ____ energy.

• Light

• Less

Multiple Choice

The T stands for _____ energy.

• Tower

• Thermal

Multiple Choice

The S stands for ____ energy.

• Small

• Sound

Multiple Choice

People might use a lamp to help them see, but in many cases, the bulb gets quite warm.  The two forms of energy being produced by the lamp are _____________________________. 

• sound and thermal
• electrical and light
• light and thermal
• sound and mechanical

Multiple Choice

__________________ energy is the energy of motion or stored energy. 

• Electrical
• Sound
• Thermal
• Mechanical

Multiple Choice

An object produces sound because it ____________________. 

• generates electrical energy
• causes air to vibrate
• reflects light from the sun
• absorbs heat from water

Multiple Choice

Which of these items converts electrical energy to heat energy? 

• refrigerator
• shower
• hair dryer
• calculator

Multiple Choice

All of the following produce light and thermal energy except _____________. 

• lamps
• oven
• bicycles
• candles

Multiple Choice

Water flowing downhill is demonstrating what form of energy?

• mechanical
• sound
• light
• electrical

Multiple Choice

______________ energy travels in waves. 

• thermal
• potential
• light
• electric

Multiple Choice

_______________ energy is produced by vibrations. 

• electrical
• light
• thermal
• sound

Multiple Choice

Which of the following uses electrical energy to produce both light and sound? 

• flashlight
• television
• lamp
• candle