~ Energy: Heat & Temperature TEST 1 ~

MCQ

1)  3        2)  4         3)  4         4)  2         5)  1     

6)  2        7)  4         8)  3         9)  3       10)  3     

11)  2     12)  3       13)  4       14)   2      15)  4




16a) Both are used to measure human body temperature

   b) Theremometer A is a liquid-in-glass clinical thermometer,   while Thermometer B is an ear thermoscan.




17a) She had placed her eye at the wrong position.

    b) She should place her eye at the same level as the liquid level.

    c) 47-Degree Celcius




18)  Geyser, Sun

Natural: Geyser, Sun
Man-made: Oven, Clothes Dryer




19a) Heat gain

    b) Heat loss

    c) Heat loss




20a) The metal tracks expand on hot days, so the gaps become narrower.

   b) The Sun

   c) If there were no gaps, the track will buckle on hot days, causing trains to derail.




21) The wire will contract and break. The cold temperature will cause the thin wire to lose heat and contract.




22a) True
    b) True
    c) True
    d) False




23a) Material C is most suitable

    b) It is the poorest conductor of heat among the four as it took the longest time for the wax to melt.