Question

Why does a swimming pool take much longer to heat up than a kettle of water?

Options

• Pool water stores more heat per kg

• The pool has much more water (mass)

• Pool water is different from kettle water

• The kettle conducts heat better

Answer 1

The pool has much more water (mass)

Explanation:

Both contain water, but the pool has far more mass, so it needs much more heat to warm up.