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Light & Shadows Mid-Unit Assessment

Last updated almost 8 years ago

9 questions

Note from the author:

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SD51 SD67 Alberta

Question 1

1.

Are the following items a source of light or a reflector of light?

Sun
Mirror
Moon

Question 2

2.

Categorize the following objects as either translucent, transparent, or opaque.

Water

Question 3

3.

Categorize the objects below as a natural source of light or an artificial source of light.

Sun
Traffic Light
Lightning

Question 4

4.

Match the following words with the correct definition

Opaque
Transparent
Translucent

Allows some light to pass through
Does not let ANY light through
Most of the light is able to pass through the object

Question 5

5.

Suzy just got some brand new $200 sunglasses. Suzy tells Johnny that her new sunglasses are SO nice, it is safe to stare at the sun. Johnny disagrees with Suzy and says her sunglasses are definitely not safe to stare at the sun with. Who do you agree with, and WHY?

Question 6

6.

On the diagram below, please trace the two lines that illustrate the correct path the light will travel in.

Question 7

7.

Look at the image above. When the light from the flashlight interacts with the CD, it will:

The light is refracted & the different wavelengths of the colours become separated

The CD is translucent, so some of the light passes through

The oxygen in the air reacts with the heat of the light

Question 8

8.

Using arrows, draw the path of the light AFTER it interacts with the mirror.

Question 9

9.

Mr. Zielke is helping out with the backstage production The Lion King on Broadway. He is in charge of the lights on stage. Mr. Zielke’s boss only gives him three different colours of lights: blue, yellow, and red. During the performance, Mr. Zielke is supposed to have at least 5 different colours appear on stage. Using your knowledge of light and colours, demonstrate how Mr. Zielke be able to make a minimum of 5 colours throughout the performance?

Flashlight

Tinfoil

Lightbulb

Stars

Book

Source of Light

Reflector of Light

Brick

Glass Window

Screen Door

Cardboard Box

Tissue Paper

Waxed Paper

White Plastic Bottle

Desk

Translucent

Transparent

Opaque

Stars

Angler Fish

Lightbulb

Fire

Flashlight

Natural Source

Artificial Source