Question

Crumple an aluminium foil into a ball and throw it in water contained in a vessel. The ball will float on the surface. This shows that

Answer 1

Answer:

Your foil ball, crumpled into a tight clump, has more density because its pennies are crowded into a smaller space than those in the foil boat. The foil boat has less density because it is spread out and filled with air. Things float when they have less density than water, but sink when they have more.

Explanation:

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