Science 2 · Unit 3: Getting materials right · Cambridge Primary Science Stage 2

Questions

1. 1. What does waterproof mean?

   • Water cannot get through it.
   • Water soaks into it.
   • It is made of water.
   • It floats on water.
   Check

2. 2. What does absorbent mean?

   • It is very hard.
   • Water soaks into it.
   • It is shiny.
   • Water cannot get through it.
   Check

3. 3. Is plastic waterproof or absorbent?

   • waterproof
   • absorbent
   Check

4. 4. Is a cotton towel waterproof or absorbent?

   • waterproof
   • absorbent
   Check

5. 5. Is metal waterproof or absorbent?

   • waterproof
   • absorbent
   Check

6. 6. What is another word for the properties of a material?

   • habitats
   • forces
   • characteristics
   • senses
   Check

7. 7. Rock is rigid. What is rubber?

   • flexible
   • transparent
   • absorbent
   • rigid
   Check

8. 8. How can you find out if paper is strong or weak?

   • guess
   • test it
   • smell it
   • listen to it
   Check

9. 9. How can you find out if paper is smooth or rough?

   • throw it
   • taste it
   • listen to it
   • look at it and feel it
   Check

10. 10. Look at the Venn diagram. A metal key is shiny but not flexible. Where does it go?

    • in the flexible circle only
    • outside both circles
    • in both circles
    • in the shiny circle only
    Check

11. 11. Look at the Venn diagram. A plastic bottle is shiny and flexible. Where does it go?

    • in the flexible circle only
    • in the shiny circle only
    • in both circles
    • outside both circles
    Check

12. 12. Look at the Venn diagram. Writing paper is dull and flexible. Where does it go?

    • outside both circles
    • in both circles
    • in the flexible circle only
    • in the shiny circle only
    Check

13. 13. Which characteristics does most metal have?

    • strong and rigid
    • transparent and flexible
    • absorbent and rough
    • weak and soft
    Check

14. 14. Which characteristics does most fabric have?

    • soft and flexible
    • transparent and strong
    • hard and rigid
    • shiny and waterproof
    Check

15. 15. What should you not touch when some materials break?

    • your pencil
    • sharp edges
    • the table
    • soft parts
    Check