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8J

End of Unit Test Higher (H)

Name

Class

A

Date

1 The diagram shows the human eye.

B Name the parts labelled A, B and C A ______________________ B ______________________ C ______________________

C [3 marks] Which one of the labelled parts has the job of focussing light?

[1 mark] Which part of the eye does the focussed light land on?

[1 mark]

2 Jo is reading a book. Draw a light ray to show how she sees the book. Put arrows on your ray to show which direction the light is travelling.

[1 mark] Page 1 of 4


8J

End of Unit Test Higher (H)

3 a The diagram below shows a plane mirror with a ray of light hitting it. Complete the diagram by drawing in the reflected ray.

[1 mark] b Look at the diagram in part a. What is the name of the dashed line at right angles to the mirror? [1 mark] c A piece of paper does not reflect light in the same way as a mirror. Describe what happens to light when it hits a piece of paper.

[1 mark]

d

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

[2 marks] e Describe one other use for a plane mirror.

[1 mark]

Page 1 of 4


8J

End of Unit Test Higher (H)

4 Sarah is experimenting with coloured light. When she shines white light onto a book it looks red. She wants to change the colour of the light. What can she use to do this?

[1 mark] If she changes the colour of the light, what will happen to the colour of the book?

[1 mark] Sarah takes a black book and puts it under different coloured light. It always looks black. Why is this?

[1 mark]

5 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.

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 4


8J

End of Unit Test Higher (H)

6 You are giving a presentation on how eyes work. You will show a diagram of the eye as part of your presentation. Produce another screen of the presentation to summarise what the different parts of the eye do. Include at least 3 different parts of the eye.

[3 marks] 7 The primary colours of light are red, green and blue. a Explain why we call these the primary colours.

[1 mark] b Name one secondary colour of light and the two primary colours that can make it.

[1 mark] 8 Sam puts a red filter in a beam of white light. a Explain what happens to the light that hits the filter.

[1 mark]

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8J

End of Unit Test Higher (H)

b Sam puts a blue filter next to the red one. Explain what will happen.

[1 mark] 9 A performer on stage has a red and white costume. a Explain why the two parts of their costume appear different colours.

[2 marks] b The performer stands next to a blue box. A red spotlight shines on the performer and the box. Explain what colours the red, white and blue things will appear in the red light.

[3 marks]

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