Science 2 · Unit 5: Light · Cambridge Primary Science Stage 2

Questions

1. 1. What do we need to see things?

   • darkness
   • sound
   • light
   • water
   Check

2. 2. If there is no light from a light source, what happens?

   • It gets hot.
   • We can see better.
   • It is too dark to see.
   • Everything looks bright.
   Check

3. 3. Which object is easiest to see in the dark?

   • a dark brown object
   • a white object
   • a black object
   • a dark blue object
   Check

4. 4. Which object is hardest to see in the dark?

   • a yellow object
   • a white object
   • a black object
   • a light pink object
   Check

5. 5. A brick is in a box. When is it easiest to see?

   • with the lid closed
   • with the lid open a little
   • in the dark
   • with the lid wide open
   Check

6. 6. What is the pattern in the box investigation?

   • Dark makes things easier to see.
   • The more light, the harder it is to see.
   • The more light, the easier it is to see.
   • Light makes no difference.
   Check

7. 7. Why do we use light sources at night?

   • We don't have sunlight.
   • Lights make us sleep.
   • It is too hot.
   • The Sun is too bright.
   Check

8. 8. Why does Jalil wear a head lamp at night?

   • to keep her head warm
   • to hear better
   • to look nice
   • so she can see
   Check

9. 9. Why does Jalil wear a jacket that reflects light?

   • to keep warm
   • so she can see in the dark
   • to make light
   • so drivers can see her
   Check

10. 10. Why is a computer screen easy to see at night?

    • It reflects the Moon.
    • It is black.
    • It is quiet.
    • It is a light source.
    Check

11. 11. Where would you find a dark place in the daytime?

    • in the playground
    • on a beach
    • by a window
    • inside a closed cupboard
    Check

12. 12. Hafeez's bedroom is dark, but he can still see a little. Why?

    • He can see in total darkness.
    • Some light is getting in.
    • His eyes make light.
    • The dark helps him see.
    Check

13. 13. People work underground in mines. What do they need?

    • dark clothes
    • nothing
    • bright lights
    • sunglasses
    Check