Science 3 · Unit 1: Plants are living things · Cambridge Primary Science Stage 3

Questions

1. 1. Which of these is one of the seven rules for living things?

   • They are hard.
   • They are heavy.
   • They grow.
   • They are shiny.
   Check

2. 2. Which gas do plants give out into the air?

   • oxygen
   • nitrogen
   • hydrogen
   • carbon dioxide
   Check

3. 3. Why is the oxygen in air very important?

   • It makes things float.
   • It makes rain.
   • It makes plants green.
   • All animals need it to live.
   Check

4. 4. Which of these was once alive but is not alive now?

   • a plastic plant
   • a piece of rock
   • a block of wood
   • a growing plant
   Check

5. 5. Which of these has never been alive?

   • a leaf on the ground
   • straw
   • a wooden spoon
   • sand
   Check

6. 6. Is the Moon alive?

   • Yes
   • No
   Check

7. 7. A green leaf has fallen off a plant onto the ground. Is it alive?

   • Yes
   • No
   Check

8. 8. Are the leaves still on a living plant alive?

   • Yes
   • No
   Check

9. 9. What will grow from the seeds that a plant makes?

   • rocks
   • flowers only
   • animals
   • new plants
   Check

10. 10. Which group does frog spawn go in?

    • things that were once alive
    • gases
    • things that have never been alive
    • living things
    Check

11. 11. Which group does a plastic building block go in?

    • living things
    • things that were once alive
    • animals
    • things that have never been alive
    Check

12. 12. A young plant grows towards the light. Which rule for living things does this show?

    • It needs air.
    • It can sense the world around it.
    • It has young.
    • It makes waste.
    Check

13. 13. What do scientists call putting things into groups?

    • dissolving
    • predicting
    • measuring
    • classifying
    Check

14. 14. A candle flame moves and grows. Is it alive?

    • Yes, because it grows.
    • No, it does not do all seven things.
    • Yes, because it is hot.
    • Yes, because it moves.
    Check