(a) What has happened to the steel rod? (b) What is this process called?
Two identical bar magnets are placed on a table. When the north pole of magnet X is brought near magnet Y, magnet Y moves away.
A student places a magnet near a compass. The compass needle moves. Which force is responsible? A) Frictional force B) Gravitational force C) Magnetic force D) Elastic spring force psle 2012 science questions and answers
(a) In which circuit will the bulb be brighter? (b) Explain your answer.
(a) Leaf in sunlight → starch present (blue-black with iodine). Leaf in dark → no starch (brown iodine). (b) To make it a fair test – temperature affects rate of photosynthesis. End of PSLE 2012 Science Paper (Reconstructed) Note to students: PSLE Science questions test application of concepts, not just memorisation. Practice explaining your answers clearly using scientific keywords. (a) What has happened to the steel rod
(a) Name the process that caused the water droplets. (b) State one condition needed for this process to occur.
The diagram shows the human digestive system (labelled parts: mouth, oesophagus, stomach, small intestine, large intestine). When the north pole of magnet X is
(a) North pole. (b) Like poles repel.
Which of the following is an example of a chemical change? A) Melting butter B) Frying an egg C) Dissolving sugar in water D) Tearing paper
A steel rod is placed near a magnet but does not move. When the rod is stroked 20 times with the same pole of the magnet, it can now attract paper clips.