Intro to Light

Why does an apple look red?

• because it absorbs red light and reflects white light

• because it absorbs red light waves and reflects the others

• because it absorbs all colors of light

• because it absorbs and re-emits red light waves while absorbs the others

Tags

NGSS.MS-PS4-2

What color of light do you get by combining red, green, and blue light?

• Black Light

• White Light

• Ultraviolet Light

• Infrared Light

Why does your pupil increase in size when you enter a dark room?

• To protect the eye

• to allow more light to enter the  eye

• to allow less light to enter the eye

• to look like a  pirate

When you see the color black...

• All energy is reflecting (like white noise)

• All energy is absorbed (no correct jumps)

• The color black is reflecting

• the color black is absorbed

Tags

NGSS.MS-PS4-2

How much of the electromagnetic spectrum is visible to the human eye?

• All of it

• About half of it

• Only a small part of it

• None of it

What particles make up light?

• protons and neutrons

• electrons

• photons

• quarks

Tags

NGSS.HS-PS4-3

Light behaves like both a particle and a -----

• current

• mass

• wave

• field

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of matter allows light to pass directly through it?

• translucent

• opaque

• transparent

• shiny objects

Tags

NGSS.MS-PS4-2

What is it called when light bends or turns when it enters a new medium?

• diffraction

• refraction

• absorption

• reflection

Tags

NGSS.MS-PS4-2

Which of the following is a practical use of refraction?

• telescopes

• microscopes

• glasses

• all of these

Tags

NGSS.MS-PS4-2