Psle 2012 Science Questions And Answers -

C) Magnetic force

A pupil wants to test if light is needed for photosynthesis. She uses two potted plants, one in sunlight and one in a dark cupboard. After 48 hours, she tests both leaves for starch. psle 2012 science questions and answers

Water from a pond dries up after a few hot days. C) Magnetic force A pupil wants to test

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

The life cycle of a mosquito: Egg → Larva → Pupa → Adult.