How Does a Rainbow Form?

Rainbows are optical illusions.

• True

• False

What shape are rainbows?

• straight lines

• arches

• circles

• ovals

Why are rainbows optical illusions?

• Because you don't need glasses to see them.

• Because they aren't really there.

• Because they change location.

• Because they fade away.

Light travels slower through __________.

• liquid

• gas

The process of light bending when it enters a new medium.

• Reflection

• Transmission

• Refraction

• Altercation

What two things do you need to see a rainbow?

• atmosphere and sunlight

• carbon dioxide and oxygen

• rain and sunlight

• transference and refraction

When a rainbow forms, what happens to the light when it is inside the rain droplet?

• opaqism

• refraction

• transmission

• reflection

How many wavelengths is visible light made of?

• 5

• 7

• 9

• 11

Which color has the longest wavelength?

• orange

• green

• violet

• red

Which color has the shortest wavelength?

• violet

• blue

• red

• yellow