Science

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Name

End of Unit Test
Class Date

1 It is night time and the table lamp is lit.

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a i Which object in the picture is the luminous source? _________________________________________________________________________________ ii Give an example from the picture of an opaque object. _________________________________________________________________________________ iii Give an example from the picture of a transparent object. _________________________________________________________________________________ [3 marks] b On the diagram above, draw a light ray to show how the woman sees the book. Put arrows on your ray to show which direction the light is travelling. [1 mark] 2 Each of the diagrams below shows a mirror with a ray of light hitting it. Put a tick in the box next to the diagram where the ray is reflected correctly.

A

B

C

D

[1 mark] Page 1 of 5
Exploring Science edition

315

© Pearson Education Limited 2008

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End of Unit Test (continued)

3 Draw a ray of light on the diagram to show how the person can see the ball.

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[3 marks] 4 Jenna shone a ray of light towards the glass block. She drew a cross at two points along the ray and then drew a straight line between them. The diagram shows part of her results.

X

X

a Explain why Jenna marked the ray of light in the way she did, instead of just drawing along the ray. _________________________________________________________________________________ [1 mark] b As the light goes into and out of the glass block it changes direction. Complete the ray of light on the diagram to show what happens when the light goes into and comes out of the block. [2 marks]

Page 2 of 5
Exploring Science edition

316

© Pearson Education Limited 2008

8K

End of Unit Test (continued)

5 The diagram below shows a ray of white light passing through a prism and forming a spectrum on a white screen.

ray of white light

red orange yellow green blue indigo violet

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