Psle 2012 Science — Questions And Answers

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

(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 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. (a) Transpiration