Multiple choice

2x the ocean waves hit a shore each minute. How much energy will be transferred to the shore?

  1. half the amount

  2. 3x the amount

  3. that amount squared

  4. 2x the amount

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The energy transferred by waves is directly proportional to the number of waves hitting the shore in a given time. If the number of waves doubles, the energy transferred also doubles.