Light Waves, Superposition, Reflection Refraction

What happens when a beam of light hits an object?

• The light passes through it

• All the light is absorbed

• A shadow forms

• All the light is reflected

Tags

NGSS.MS-PS4-2

What is white light?

• The type of light that is found in x-rays

• The type of light given off by the sun and light bulbs

• The type of light that is used in microwave ovens

• The type of light that makes up radio waves

What can you use to see all the different colors in white light?

• A flashlight

• A shadow

• A camera

• A prism

Light

What is pigment?

• The entire range of light, including visible and invisible light

• A special chemical that absorbs some colors and reflects others

• The tool you need to see the spectrum of colors in white light

• The shadow that is formed on a wall when light is blocked

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What type of wavelengths do ultraviolet rays have?

• Short

• Long

• Alternating short and long

• None

Tags

NGSS.MS-PS4-2

What color is an object that absorbs all the colors in the light spectrum?

• A rainbow

• White

• Black

• Invisible

Tags

NGSS.4-PS4-2

A leaf is green. What does this tell you about the light that is being absorbed?

• The light is a UV ray.

• The light is not a part of the light spectrum.

• All colors are reflected except green.

• All colors are absorbed except green

Tags

NGSS.MS-LS1-6

What happens when light hits a shiny or smooth surface?

• It disappears.

• It is refracted.

• It is absorbed.

• It is reflected.

Tags

NGSS.MS-PS4-2

What is the angle of reflection equal to?

• The angle of refraction

• The angle of incidence

• The angle of absorption

• The angle of light

Tags

NGSS.MS-PS4-2

What might explain why light travels in a straight line?

• If there is nothing to interfere with light waves, they should travel in a straight line.

• Light waves will always travel in a straight line, even if they come into contact with another object.

• Light waves don't travel in a straight line.

• Light waves travel in a straight line because sound waves travel in a straight line.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2