Light and Sound

Light

100

Which of the following is NOT true about light?

• It is a form of energy
• It travels very quickly
• It is a wave
• It only comes from the sun.

It only comes from the sun

200

How does light allow us to see a tree?

• The tree emits its own light.
• Light goes into our eyes and then we can see the tree.
• Light bounces off the tree and reflects into our eyes.
• Light does not help us see the tree.

Light bounces off the tree and reflects into our eyes

300

Name 2 objects that are opaque

Desk 

Notebook

book 

400

How does light travel?

Very fast in a straight line 

500

If I want to block out light, what kind of material should I use? Why

a. Clear plastic

b. Cardboard

c. Wax paper

Cardboard because it blocks out light completely 

Sound

100

Name 2 things that make sound

Siren

people talking

baby crying

bell

200

 What is one way to protect your ears?

• Sit next to a speaking playing music loudly.
• Turn up volume on the TV the highest it can go.
• Use ear plugs at a loud concert.
• Listen to music really loudly.

use ear plugs at a loud concert

300

Why is your sense of hearing?

It helps us communicate with others and hear sounds that warn us about danger 

400

What is one way we use sound to communicate at school?

Fire alarm tells us there's a fire drill happening

teacher clapping tells us to stand in hall, turn and close the gaps

500

Sound is made when an object

• Is placed in the light.
• Vibrates.
• Does not move.

Vibrates

Extra

100

Which of the following is not true about light?

• It is a form of energy
• It travels very quickly
• It is a wave
• It only comes from the sun.

• It only comes from the sun.

200

How does a shadow form?

• A shadow forms when light is reflected by an opaque object.
• A shadow forms when the light shines through an object.
• A shadow forms when the light is turned off.
• A shadow forms when you wave the light back and forth.

• A shadow forms when light is reflected by an opaque object.

300

Would light be able to pass through a clear plastic? why or why not?

yes, because it is transparent 

400

a. When sound waves vibrate quickly, the pitch is            High or Low

b. When Sound waves vibrate slowly, the pitch is             High or Low

c. When the volume is quiet, the waves are                       A little or A lot

a. high

b. low

c. a little

500

Finish the sentence 

We got .....

THIS!!!!!!!