Light - Sources of Light / How do we see things?

Which one of the following diagrams correctly shows how we can see an object?

• 
• 
• 
• 

Tags

NGSS.4-PS4-2

Which one of the following shows how the girl is able to see the book on the table?

• 
• 
• 
• 

Tags

NGSS.4-PS4-2

The diagram below shows four boys at positions A, B, C and D.

Which two boys are able to see each other in the mirror?

• A and C

• A and D

• B and C

• C and D

Tags

NGSS.4-PS4-2

The diagram below shows four cars at positions A, B, C and D.

The cars are travelling in the directions as shown by the arrows. Which of the drivers can see each other with the help of the mirror?

• A and B

• A and C

• B and C

• C and D

Tags

NGSS.4-PS4-2

I am able to see an object when it __________ light or when it is a source of light.

Tags

NGSS.4-PS4-2

A source of light or light source is an object that ________________.

• gives off heat and light

• gives off heat

• gives off light

Tags

NGSS.4-PS4-2

Which of the following is not a source of light?

• 
• 
• 
• 

Tags

NGSS.4-PS4-2

Which is the main source of light on Earth?

Tags

NGSS.5-ESS1-1

Having a source of light helps us to ________________.

• hear

• feel

• see

• touch

Tags

NGSS.4-PS4-2

Susan looks into a wooden cupboard as shown.

Which statement explains why she can see the glass?

• No light passes through wood.

• Light is reflected from the toys.

• Light passes through the glass easily.

• Some light is reflected from the glass.

Tags

NGSS.4-PS4-2