Psle 2012 Science Questions And — Answers

(a) What happens to some of the energy after the ball hits the ground? (b) Name the main type of energy the ball has just before it hits the ground.

(a) In which circuit will the bulb be brighter? (b) Explain your answer.

(a) What is the expected result? (b) Why is it necessary to keep both plants in the same temperature? psle 2012 science questions and answers

A student builds two circuits. Circuit A has one bulb and one battery. Circuit B has the same bulb but two batteries connected in series.

(a) In which part does most absorption of digested food take place? (b) What is the function of the large intestine? (a) What happens to some of the energy

(a) Name this phenomenon. (b) What causes it?

(a) Transpiration. (b) Presence of sunlight / open stomata / water in the soil. (b) Explain your answer

(a) Is this complete or incomplete metamorphosis? (b) Name one difference between the larva and adult stages.