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Light Unit Review

Total questions: 20

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

What does the word reflect mean in our unit?

a)

To go through

b)

To think hard about something

c)

To bounce off

2.

Draw something reflecting

3.

What does the word "transmit" mean?

a)

To go through

b)

To bounce off

c)

To change sides

4.

Draw something that is "transmitting"

5.

What did we learn about NORMAL MIRRORS during our labs?

a)

NORMAL MIRRORS transmit all light

b)

NORMAL MIRRORS transmit and reflect light

c)

NORMAL MIRRORS reflect all light

6.

Which material TRANSMITTED more light during our labs?

a)

Glass

b)

One-way mirror

7.

For us to see something, what has to happen?

a)

Light has to hit our eyes and then bounce off and go to the object

b)

Light has to hit the object and then bounce off and go to our eyes

8.

When we took the one-way mirror out of the box, what happened?

4 lines
9.

When light hits our eyes, it is turned into:

a)

Colors

b)

An electrical signal

c)

A light signal

10.

Which part of our eye focuses the light we see down to a point?

a)

Retina

b)

Lens

c)

Cornea

11.

When two light signals hit our eye, which does our brain notice?

a)

The strongest light

b)

The weakest light

12.

Draw what happens when light hits a one-way mirror:

13.

Draw what happens when light hits a piece of glass:

14.

Draw what happens when light hits a normal mirror:

15.

What does a one-way mirror look like under a microscope?

a)

b)

c)

16.

When we looked in the box model and flipped the flashlight from room A to B, what happened?

a)

We saw the teacher duck

b)

We saw the student duck

c)

Nothing happened

d)

We saw both ducks

17.

When we looked in the box model and had BOTH flashlights on, what happened?

a)

We saw the teacher duck

b)

We saw the student duck

c)

Nothing happened

d)

We saw both ducks

18.

When we looked in the box model and had NO flashlights on, what happened?

a)

We saw the teacher duck

b)

We saw the student duck

c)

We saw nothing

d)

We saw both ducks

19.

In the music student video, for light to get to the teacher, it needs to _________ with the mirror.

a)

Reflect

b)

Transmit

20.

About how much light transmits and reflects through a one-way mirror?

a)

50% transmit

50% reflect

b)

90% transmit

10% reflect

c)

10% transmit

90% reflect