Question

Select all the correct answers.
What happens to water when it changes to ice?
Its density increases.
Its density decreases.
Its mass increases.
Its mass decreases.
Its volume increases.
Its volume decreases.

Answer 1

Correct answers:
- Its density decreases.
- Its volume increases.

Explanation: When water freezes into ice it expands (volume increases), so its density (mass per unit volume) decreases. The mass stays the same.