Science 4 · Unit 5: Light · Cambridge Primary Science Stage 4

Questions

1. 1. Arun is looking at a palm tree on a sunny day. What is the source of light?

   • the Sun
   • the palm tree
   • Arun's eyes
   • the sky
   Check

2. 2. Complete the sentence: Light travels from the ... to the palm tree.

   • tree
   • eyes
   • ground
   • Sun
   Check

3. 3. Light travels from the Sun to the palm tree. The light ... off the palm tree into Arun's eyes.

   • bends
   • shines out
   • reflects
   • stops
   Check

4. 4. Complete the sentence: The light reflects off the palm tree into Arun's ...

   • ears
   • hands
   • eyes
   • mouth
   Check

5. 5. Light travels from the Sun to the palm tree. The light reflects off the palm tree into Arun's eyes. This is how Arun ... the palm tree.

   • touches
   • sees
   • hears
   • grows
   Check

6. 6. How does Arun see the palm tree?

   • Light travels from the Sun to the tree, reflects off it and goes into Arun's eyes.
   • Light travels from Arun's eyes to the tree.
   • The tree gives out its own light.
   • Light goes from the tree to the Sun.
   Check

7. 7. Mrs Liong is sewing under a lamp. What is her light source?

   • the thread
   • her eyes
   • the needle
   • the lamp
   Check

8. 8. Mrs Liong is threading a needle. What objects is she trying to see?

   • her eyes
   • the Sun
   • the lamp
   • the needle and the thread
   Check

9. 9. How does light let Mrs Liong see the needle she is threading under the lamp?

   • Light travels from the lamp to the needle, then reflects into her eyes.
   • The needle gives out its own light.
   • Light travels from her eyes to the needle.
   • Light travels from the needle to the lamp.
   Check

10. 10. Mrs Liong sews in her garden in the morning. What is her light source?

    • the needle
    • the Sun
    • her eyes
    • the lamp
    Check

11. 11. Mrs Liong sews in her garden in the morning. How does she see her sewing?

    • Sunlight reflects off the sewing into her eyes.
    • The lamp light reflects off the sewing.
    • Light from her eyes shines on the sewing.
    • The sewing gives out its own light.
    Check

12. 12. Zara is looking for a box of books in a dark cupboard. What object is she trying to see?

    • a flashlight
    • the cupboard door
    • the Sun
    • the box of books
    Check

13. 13. Why can't Zara see the box in the dark cupboard?

    • No light is reflecting off the box into her eyes.
    • The box is too far away.
    • Her eyes are not open wide enough.
    • The box is not there.
    Check

14. 14. What must Zara do to see the box in the cupboard?

    • Wait until it gets darker.
    • Close her eyes and feel for it.
    • Shut the cupboard door.
    • Shine a light, such as a flashlight, into the cupboard.
    Check

15. 15. Zara shines a flashlight into the cupboard. How will she see the box?

    • The box starts to give out light.
    • The flashlight makes the box bigger.
    • Light from the flashlight reflects off the box into her eyes.
    • Light from her eyes reflects off the box.
    Check