Science 3 · Unit 6: The Earth and the Moon · Cambridge Primary Science Stage 3

Questions

1. 1. How much of the Moon does the Sun light up?

   • half of it
   • a quarter of it
   • all of it
   • none of it
   Check

2. 2. What are the phases of the Moon?

   • the craters on the Moon
   • the rocks on the Moon
   • the different shapes the Moon seems to have
   • the Moon's gravity
   Check

3. 3. Why does the Moon seem to change shape?

   • The Earth's shadow covers it.
   • We see different amounts of its lit half as it orbits.
   • Clouds cover parts of it.
   • It really changes shape.
   Check

4. 4. What does waxing mean?

   • The Moon is full.
   • The Moon is not there.
   • The lit part of the Moon is getting bigger.
   • The lit part is getting smaller.
   Check

5. 5. What does waning mean?

   • The lit part of the Moon is getting smaller.
   • The Moon is growing.
   • The lit part is getting bigger.
   • The Moon is very bright.
   Check

6. 6. What is a crescent Moon?

   • when we see the whole lit side
   • when we see nothing
   • when we see only a thin curve of the lit side
   • when we see half
   Check

7. 7. What is a gibbous Moon?

   • when we see most of the lit side
   • when we see exactly half
   • when we see none
   • when we see only a thin curve
   Check

8. 8. What do we see at full Moon?

   • none of the lit side
   • a thin crescent
   • all of the lit side
   • exactly half
   Check

9. 9. Which phase comes after first quarter?

   • waning crescent
   • waxing gibbous
   • waxing crescent
   • new Moon
   Check

10. 10. Why does the Moon seem to rise in the east and set in the west?

    • The Earth rotates once every day.
    • The Sun pushes it.
    • The Moon orbits once a day.
    • The Moon spins very fast.
    Check

11. 11. How often does the Earth rotate?

    • once a month
    • once a year
    • once every day
    • once an hour
    Check

12. 12. Why does the Moon rise a bit later each day?

    • The Moon gets heavier.
    • Clocks are wrong.
    • The Earth stops turning.
    • The Moon is moving along its orbit around the Earth.
    Check

13. 13. Can you sometimes see the Moon in the daytime?

    • Yes
    • No
    Check

14. 14. Do the phases of the Moon look the same from the northern and southern hemispheres?

    • No, the south has no Moon.
    • No, the north only sees full Moons.
    • No, they look the other way round.
    • Yes, exactly the same.
    Check

15. 15. Kalpana Chawla investigated how spiders build webs in space. What was she?

    • a fossil collector
    • an inventor of light bulbs
    • a dentist
    • an astronaut
    Check

16. 16. The Moon's cycle is shown as eight phases. Which phase comes between new Moon and first quarter?

    • waxing crescent
    • full Moon
    • waxing gibbous
    • waning crescent
    Check