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  1. 1228 Study the flow chart of some substance below.

    Which 1 of the following correctly identifies substances P, Q and R?

    P
    Q
    R
    (1)
    music
    nitrogen
    coffee
    (2)
    violin
    bread
    jelly
    (3)
    radio
    oxygen
    petrol
    (4)
    fire
    petals
    jam





  2.  Plants spread their branches and leaves to get as much _____________ as possible.
    A: food
    B: water
    C: sunlight





  3.  Sally puts 4 substances into round, plastic containers. Which of the following does not take the shape of its container?

    A: Oil
    B: Sand
    C: Marbles
    D: Chicken soup





  4.  What was the room temperature?





  5.  A beaker containing water at 10° C was left on a table at room temperature. After 5 minutes, water droplets were observed on the outer surface of the beaker.

    What inferences can be made based on the experiment above?
    A: The room temperature is higher than 10° C.
    B: Condensation has taken place.
    C: The water droplets come from the water in the beaker.





  6.  Why is the water cycle important to living things?





  7.  4 glass containers, A, B, C and D, were each filled with 200cm3 of water as shown below.

    In which container will the water evaporate the fastest?





  8.  The table below shows the number of seedlings planted in a plot of land over a period of 2 weeks.
    Days
    Number of seedlings
    1
    80
    6
    63
    10
    41
    14
    28

    What could have caused the changes in the number of seedlings over the 2 weeks?
    A: A drop in the supply of water to these seedlings.
    B: A decrease in the number of animals feeding on the seedlings.
    C: Regular rainfall resulting in the plants getting enough water.
    D: Lack of nutrients in the soil.





  9.  The air we breathe out contains more ____________ than the air we breathe in.
    A: Oxygen
    B: Carbon dioxide
    C: Nitrogen





  10.  Water will ______________ at the temperature 0° C.
    A: melt
    B: freeze
    C: evaporate
    D: condense








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