Light Reflection and Vision

To aim the light at the balloon behind the sign, Zoe uses what?

• fog

• mirror

• window

• flashlight

Tags

NGSS.MS-PS4-2

Why is the image inside the camera obscura upside down?

• light travels in a straight line, passes through the lens and is reflected onto the white paper in the back of the box

• they took the picture while the camera was upside down

• light travels in a zig-zag line, passes through the lens and is reflected onto the white paper paper upside down

Tags

NGSS.MS-PS4-2

Why don't we see everything upside down?

• because everything is already upside down and it just looks right side up

• because we are standing up right, not upside down

• Our brain automatically flips the upside down images reflected into our eyes

Which of these does not use light reflection to work?

• CD

• Blu-ray disc

• DVD

• Car

What happens to light when it hits a smooth, shiny surface?

• It is absorbed completely.

• It passes through the surface.

• It is reflected.

• It becomes scattered.

Tags

NGSS.MS-PS4-2

Which element in the image demonstrates the reflection of light? Select ONE correct answer

Tags

NGSS.MS-PS4-2

mirror

• absorbs

• reflects 

• refracts

Tags

NGSS.MS-PS4-2

How do fiber optic cables work?

• Light reflects off the inside of the cable

• electricity is transmitted through the cable

• they use lots of little light bulbs like Christmas lights and turn them all on at once

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How can an out-of-focus image reflected in the camera obscura be brought into focus?

• with a lens

• by taking a better picture

• with a new mirror

• it can't, they take bad pictures because they are old cameras

Which of these is the best reflector of light?

• shiny metal

• white paper

• carpet

• wood

Tags

NGSS.MS-PS4-2