Treasure Hunt Year 4 Materials

1. 2. 3. What is meant by What does Name a brittle the words material ‘brittle’ ‘properties’ of materials’? mean? 4. 5. 6. What is the main What is the What does reason why glass opposite of viscous mean? is used to make absorbent? windows? 7. 8. 9. What are the 2 Name the 2 Name 2 shiny common materials uncommon metals used to that are materials that make good magnetic? are magnetic? jewellery. 10. 11. 12. What does Name an elastic What is another absorbent mean? material name for elasticity? 13. 14. 15. What does Which cans, What are the opaque mean? aluminium or steel, ends of magnets are removed from called? rubbish using magnets? 16. 17. 18. Name 2 What is the What material properties of opposite of rigid? would be good for brick making socks? 19. 20. 21. What does repel Which poles of a Name a use of mean? magnet attract glass each other?

22. 23. 24. Which end of a What does What would happen magnet will pick transparent to a rubber band when weight is up a copper rod? mean? removed from it? 25. 26. 27. Which end of a If you spilled a Give 3 properties magnet will pick box of pins how of a good up an iron nail? could you pick material for then up quickly? making a bridge. 28. 29. 30. Which of these is What would happen Which poles of a absorbent? to a rubber band magnet repel when weight is plastic, paper, or each other? added to it? foil Treasure Hunt Year 4 Materials Name ______Date______

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28 29 30 Treasure Hunt Year 4 Materials (teachers answers) Name ______Date______

1 2 3 What a material is like breaks easily glass (any named or how it behaves brittle material) 4 5 6 because it is waterproof sticky transparent 7 8 9 gold silver platinum iron and steel Cobalt and nickel copper or similar (any 2) 10 11 12 soaks up water rubber or other elastic stretchiness material 13 14 15 You cannot see steel poles (N or S) through it

16 (any 2 properties of brick) 17 18 (material to make socks) hard, waterproof, flexible (bendy) nylon, wool, polyester, hardwearing, strong cotton 19 20 21 (allow any use) to push away north and south glass is used for making windows 22 23 24 neither end – copper is you can see through it it would go back to its non-magnetic original length

25 26 27 (any 3 properties for a both ends (N and S) using a magnet bridge) strong, hard, hardwearing, waterproof

28 29 30 paper it would stretch north and north or south and south