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  1. The table gives the characteristics of four organisms. A (*) means that the organism has those characteristics and a (-) means that the organism does not have those characteristics.



    Characteristics W X Y Z
    An animal that has 3 body parts, lays eggs and can fly. * - - -
    An organism that can make its own food and respond to changes. - * - -
    An animal that lives in water, has scales on its body and gives birth to young alive. - - * -
    An organism that breaks down plants and animals that are dead or alive before feeding on them. - - - *

    (a) Identify the following organisms represented by letters (W, X, Y or Z) in the table. Write the correct letter in each box.


    Mosquitoe ______________
    Mimosa plant _______________

    (b) Name an organism that can represent the letter Y.


  2. Your answer:


  3. Lijun filled two beakers, M and N, with water. Next, she added some food colouring to the water. The she placed Beaker M in the compartment of the refrigerator where she kept vegetables and Beaker N in the compartment of the refrigerator where she kept ice-cubes. After two hours, she took the beakers out of the refrigerator and tilted them on the table. In the space provided below, draw what Lijun would observe.


  4. Your answer:


  5. For each of the following items in the table below, write the correct property of magnets that makes each item useful.

    Item

    Use

    Useful property of magnets for this use

    Compass To find direction
    Magnetic door holder To prevent the door from closing

  6. Your answer:


  7. A small iron pin was suspended from a table. A piece of paper was placed close to the iron pin. A bar magnet was later brought near the paper.

    (a) Draw on the diagram below to show what will happen when the magnet is brought close to the iron pin that has been suspended on a string.

    (b) What would the observation be if the piece of paper is changed to a piece of cloth?
    (c) What does this experiment show?

  8. Your answer:


  9. The boiling point of water is a) _________________ ° C and freezing point of water is b)________________ ° C.

  10. Your answer:


  11. Daud inverts a plastic cup and pushes it into a water trough. He notices that the water does not enter the cup.

    a) What can Daud conclude from the experiment?
    b) He then proceeds to pierce a hole at the bottom of the cup. Draw the water level in the cup and the water level in the water trough in the diagram below.

    c) Explain the reason for the water level in b).

  12. Your answer:


  13. The diagram below shows part of the water cycle.


    (a) Name the process taking place at A.
    (b) In the diagram, draw two arrows to show how plants can be part of this water cycle.

  14. Your answer:


  15. Observe the pictures of the two leaves below carefully.

    Based on the pictures, state two differences between the leaves. (Do not compare their size)
    Difference 1:___________________________________________________
    Difference 2:___________________________________________________

  16. Your answer:




  17. Place 4 items from the above box into correct groups shown below.



  18. Your answer:


  19. Ron took a beaker of water and put it in the freezer overnight.

    (a) What would happen to the beaker of water the next day? (1 m)
    (b) What change of state took place? (1 m)
    (c) Ron tilted a beaker of water with a brick. He then removed the brick and placed the beaker of water in the freezer. In the diagram below, draw what he would observe in the beaker before and after he put it in the freezer.


  20. Your answer:



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