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Please write your answers in the text box provided. Good luck!

  1. Rani examined some materials and used the checklist below to record their sources. A (*) means that the materia came from that source.

    Materials

    Source X

    Source Y

    Source Z

    tin


    *


    gold


    *


    wool

    *



    rattan



    *

    bamboo



    *

    leather

    *



    iron

    ?

    ?

    ?

    nylon

    ?

    ?

    ?



    (a) What is the best heading for X (From animals, From plants or From the Ground)?

    (b) Under which heading (X, Y or Z) should a tick be placed for iron?

    (c) Can the checklist be used to record the source of nylon. Explain your answer.


    2. Your answer:

  2. A young plant is called a _____.

    3. Your answer:

  3. Hassan wanted to find out what plants need to make food.He placed 4 pots of balsalm plant under different conditions as shown below.

    Plant

    Air

    Water

    Sunlight

    A

    Yes

    Yes

    Yes

    B

    Yes

    Yes

    No

    C

    Yes

    No

    Yes

    D

    No

    Yes

    Yes


    a) Which of the plants A, B, C or D will be able to make food?

    b) The 2 leaves below come from balsalm Plant A. If Hassan had placed black cardboard pieces on the leaves of Plant A as shown below, describe what would happen to the blackened parts.

    c) Give a reason for your answer in (b).


    4. Your answer:

  4. Wendy wanted to find out if the surface area of a towel affected the rate of evaporation. She hung 3 wet towels in the sun to dry.


    (a) Is the above a fair test? Why?
    (b) Name two other factors that would affect the rate of evaporation.

    5. Your answer:

  5. (a) The pie chart below shows the composition of different gases in the air. Identify Gas A and B.


    (b) Name one function of Gas B.

    6. Your answer:

  6. Classify these animals using the Venn diagram below.

    crocodile

    penguin

    frog

    chicken

    cat

    cow




    7. Your answer:

  7. The diagram below show how the objects O, P, Q and R balance one another.

    (a) Arrange the objects A, B, C and D in ascending order of their masses.

    (b) State the difference between the mass of a 3-cm wooden cube and a 3-cm iron cube.

    8. Your answer:

  8. Complete the sentences below with the correct answer from the box. Use each word ONCE only.

    flying
    		 growth
    		 colour
    		 heating
    flightless
    		 moulting
    		 interacts
    		 attract
    stroking
    		 repel
    		 fabric
    		 shape
    mineral salts
    		 wood
    		 thread
    		 carbon dioxide

    1.Emus have wings but are______________________ birds.
    2.The nymph of a cockroach has a hard body covering that is shed during__________.
    3.The roots of a plant take in water and___________ from the soil.
    4.When a magnet is attract to an object, we say it_________with the object. 5.Like poles of 2 magnets______________________ each other.
    6.______________________ a magnet will cause it to become weaker.
    7.Plasticine changes it______________________ when moulded.
    8.A handkerchief wrinkles up when crumpled because it is made of soft__________.
    9.The handle of a mop is usually made of________but its strands are made of cloth.
    10.A plant takes in_________and gives off oxygen during the day when there is sunlight.

    9. Your answer:

  9. 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?

    10. Your answer:

  10. Ali tried to put a metal cube into a glass beaker and it fitted into the glass beaker nicely, as shown in the diagram below.

    Ali then took out the metal cube and heated it over a fire for 10 minutes, and immediately tried to put the metal cube into the glass beaker.
    a) Would he be able to put the metal cube into the glass beater? Why? b) What can he do to the glass beaker to fit into the hot metal cube now?

    11. Your answer:

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