1. Rabbit Hutch and Grass Growth Scientific Enquiry Question

Bilal put his rabbit’s cage on the grass. After a week the grass under the cage had turned yellow. (a)Give one reason why the grass had turned yellow

(b)He wanted to test why the grass had turned yellow. He put two sheets of plastic 10 cm above another patch of grass. One sheet was black and the other sheet was clear. 10 cm above the grass He looked under both sheets after one week. Predict what colour the grass might be under each sheet. (i) under the black plastic sheet the grass would be: (ii) and under the clear plastic sheet the grass would be:

(c). Explain why he used the clear plastic sheet as well as the black sheet ……… ……… (d). Bilal then wanted to find out what would happen to the grass if the plastic sheets were different colours. (i). Outline a plan (method) he could use (ii). How would he make his experiment a fair test?