A wet sponge is left in the sun. As the water evaporates, the sponge dries out completely.
What happens to the total mass and to the total weight of the sponge?
total mass decreases, total weight decreases
total mass decreases, total weight stays the same
total mass stays the same, total weight decreases
total mass stays the same, total weight stays the same
209 exam-style questions on CIE IGCSE Physics Mass and weight, covering Mass and weight. Each one has a worked solution and a mark scheme showing where the marks go.