What is a photon?

What are photons?

• Tiny bits of stale bread.

• Particles that make up atoms.

• Tiny balls of energy that make up light.

• Invisible waves that carry sound.

What are some effects of high-energy photons?

• Heating food in a microwave.

• Playing music on a radio.

• Causing sunburns and creating X-rays.

• Allowing us to see objects.

What are low-energy photons used for?

• Creating X-ray images.

• Heating food in microwaves and playing music on radios.

• Causing sunburns.

• Allowing us to see colors.

How are we able to see objects around us?

• Objects absorb all photons, making them visible.

• Objects emit their own light, which our eyes detect.

• Objects bounce photons into our eyes.

• Our eyes send out signals that detect objects.