Light and Energy

Light Energy

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Light and Thermal are NOT the same!!!

• What can thermal energy do that light energy cannot?

• [10 second think-time]

Open Ended

What can Thermal energy do that Light energy can NOT do?

Thermal energy can...

• Create warm air current and move things

• Heat

• Melts

• COOK

• BAKE

• Evaporates

• Boil

Multiple Choice

TRUE or FALSE: Light energy can bake a cake.

• TRUE

• FALSE

Multiple Choice

A heat lamp is plugged into an outlet. What energy does the heat lamp USE to warm up the lizard?

• Electricity and light

• Thermal and electrical

Thermal energy can...

• Creates warm air current and moves things

• Heat

• Melts

• Cook

• Bake

• Boil

• Evaporates

LIGHT energy can...

• Help us see

• Travels in straight lines

• Reflect off shiny objects

Multiple Choice

Mr. De La Cerda uses a laser to point at stars in the night sky. What type of energy do you see?

• Light

• Electrical

• Thermal

Solar Panels

• NEED A LIGHT FROM THE SUN AS A SOURCE OF ENERGY

• LIGHT --> Electricity

Multiple Choice

Which object uses light energy as a source of energy to work?

Fill in the Blank

Solar panel need light energy in order to produce ______ energy

Multiple Choice

Solar panels NEED ______ energy in order to produce electricity.

• Thermal

• Light

• Mechanical

Multiple Select

Check ALL the correct answers:

What types of energy does this produce/make

• Mechanical

• Light

• Sound

• Electrical

Multiple Choice

What source of energy does a computer need in order to work?

• Light

• Sound

• Electrical

Multiple Choice

Construction workers wear reflector to be seen at night. Reflectors need __________ energy to be seen.

• Thermal

• Heat

• Light

• Mechanical

Multiple Choice

What type of energy is melting the ice cube

• Light

• Thermal

• Chemical