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

Questions

1. 📖 This question is about a text that students read in the app.

   1. In the shadow stick experiment, at what time does the Sun appear highest in the sky?

   • 10:00
   • 09:00
   • 15:00
   • 12:00 (midday)
   Check

2. 2. When the Sun is highest in the sky, is the shadow long or short?

   • long
   • short
   Check

3. 📖 This question is about a text that students read in the app.

   3. At which times does the Sun appear lowest in the sky?

   • at 10:00 and 12:00
   • at 11:00 and 13:00
   • at 09:00 and 15:00, early and late in the day
   • at 12:00 only
   Check

4. 4. When the Sun is low in the sky, is the shadow long or short?

   • long
   • short
   Check

5. 📖 This question is about a text that students read in the app.

   5. What pattern do the shadow lengths show during the day?

   • long in the morning, shortest at midday, long again in the afternoon
   • short in the morning, longest at midday, short in the afternoon
   • the same length all day
   • getting longer all day
   Check

6. 📖 This question is about a text that students read in the app.

   6. Predict the length of the shadow at 18:00.

   • the same as at 12:00
   • there will be no change from 15:00
   • very short
   • very long
   Check

7. 7. How does the direction of a stick's shadow change from morning to afternoon?

   • It always points in the same direction.
   • It disappears in the afternoon.
   • It always points towards the Sun.
   • It moves round, because the shadow always points away from the Sun.
   Check

8. 8. A shadow always points ...

   • away from the Sun
   • towards the Sun
   • north
   • down into the ground
   Check

9. 9. What movement does the Sun appear to make between 09:00 and 15:00?

   • It goes lower until midday, then rises.
   • It stays still in the same place.
   • It moves up and down very quickly.
   • It rises higher until midday, then sinks lower, moving across the sky.
   Check

10. 10. Does the Sun really move across the sky?

    • No. The Earth spins, which makes the Sun appear to move.
    • Yes. The Sun goes round the Earth once a day.
    • No. The clouds move, not the Sun.
    • Yes. The Sun moves up and down.
    Check

11. 11. Look at the drawings of a tree. Drawing 1 shows 08:00. Which time does drawing 5 show?

    • 10:00
    • 12:00
    • 19:00
    • 16:00
    Check

12. 12. Look at the drawings of a tree. Drawing 1 shows 08:00. Which time does drawing 2 show?

    • 12:00
    • 19:00
    • 10:00
    • 16:00
    Check

13. 13. Look at the drawings of a tree. Drawing 1 shows 08:00. Which time does drawing 4 show?

    • 19:00
    • 10:00
    • 16:00
    • 12:00
    Check

14. 14. Look at the drawings of a tree. Drawing 1 shows 08:00. Which time does drawing 3 show?

    • 16:00
    • 19:00
    • 10:00
    • 12:00
    Check

15. 15. Which two factors help you decide the time from a picture of a tree's shadow?

    • the number of leaves and branches
    • the colour of the shadow and the sky
    • the colour and the size of the tree
    • the length and the direction of the shadow
    Check