1
2
3
4
100
Tom and Mary stand in front of a mirror in a room. Even though Mary stands behind Tom but Tom can still see her clearly.
Which one of the following statements explains how Tom is able to see Mary?
- Mary reflects light from the lamp into Tom's eyes.
- The mirror gives off light which travels into Tom'e eyes.
- The light reflected by Mary is reflected by the mirror into Tom's eyes.
- The light given off by Mary is reflected by the mirror into Tom's eyes.
3
100
The functions of the blood in our body are to ____________________.
A: keep the lungs breathing
B: produce oxygen for the body
C: transport waste materials in the body
D: carry nutrients from the small intestine to all parts of the body
a and b
100
Which one of the following is NOT a light source?
mirror
100
The diagram below shows a girl reading a book.
Which one of the following diagrams shows why the girl can read the book on the table?
a. b.
c.
d.
D
200
Look at the diagram below.
Why is Jack able to see the ball?
The ball gives off light which is reflected into Jack's eyes.
- Jack's eyes give off light which reflects off the ball and into Jack's eyes.
- Lights from the surroundings is reflected off the ball and into Jack's eyes.
- Light from the surroundings is reflected off Jack's eyes and onto the ball.
C
200
What are the colours of the spectrum?
Red, orange, yellow, green, blue, indigo and violet
200
This diagram shows an example of
A. 
reflection B refraction C inversion D opaque
a
200
Which of the following is a natural source of light? A mirror B star C television D all of these
B
300
The object in the triangular sharp is called
Prism
300
When light hits a prism it refracted 7 colours of light . this is called
Spectrum of light