Light
Solar Panels
Miscellaneous
100

What is light made out of?

Photons

100

What do solar panels do?

Generate electricity from the light of the Sun.

100

Who won the Nobel Prize for discovering the Photoelectric effect?

Albert Einstein.

200

How does light travel?

In a wave.

200

What charge do electrons have?

Negative.

200
What is the photoelectric effect?

Light can demagnetize metal.

300

Do photons have mass?

No, just energy!

300

What are solar panels made out of?

Silicon, phosphorus, and boron.

300

Why does some light not demagnetize metal?

It doesn't have enough energy.

400

Does purple or red light have more energy?

Purple.

400

How does a solar panel generate electricity? 

Photons hit electrons inside the panel, which go into a wire creating an electric current.

400

What is a particle? Name a particle besides a photon?

A small, packet of energy or mass. Electron, proton, neutron etc. 

500

According to the chart, what type of light has the most energy?

Gamma rays. 

500

What are the three layers of a solar panel called?

N-type, P-type, and P-N junction

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