Class 4 made predictions about the pH value of various substances before using litmus paper to test them. They used tealights and foil bowls to demonstrate irreversible change when heat was applied to egg and sugar.
KS2 Science- PH levels
Class 4 made predictions about the pH value of various substances before using litmus paper to test them. They used tealights and foil bowls to demonstrate irreversible change when heat was applied to egg and sugar.