Science 1 · Unit 6: Forces · Cambridge Primary Science Stage 1

Questions

1. 1. Does a rock float or sink?

   • float
   • sink
   Check

2. 2. Does a beach ball float or sink?

   • float
   • sink
   Check

3. 3. Does a metal key float or sink?

   • float
   • sink
   Check

4. 4. Does a piece of wood float or sink?

   • float
   • sink
   Check

5. 5. Which one floats?

   • a balloon
   • a marble
   • a metal spoon
   • a coin
   Check

6. 6. Which one sinks?

   • a beach ball
   • a balloon
   • a coin
   • a wooden stick
   Check

7. 7. A ball of modelling clay sinks. How can you make the clay float?

   • change its shape into a boat
   • make it into a smaller ball
   • paint it
   • put it in a box
   Check

8. 8. What helps things float?

   • water inside them
   • air inside them
   • being made of metal
   • stones inside them
   Check

9. 9. A plastic bottle is almost full of water. Does it float as high as an empty bottle?

   • Yes
   • No
   Check

10. 10. Why must you take care near deep water?

    • It is always hot.
    • It can be very dangerous.
    • It is full of rocks.
    • It is not wet.
    Check

11. 11. What should you do before testing if something floats?

    • hide it
    • paint it
    • throw it away
    • predict what will happen
    Check

12. 12. Where do you record your predictions and results?

    • nowhere
    • on the object
    • in the water
    • in a table
    Check