Read each statement about three types of ocean energy. If the statement is correct, click True. If the statement is not correct, click False.

1. Moving waves of the ocean have potential energy.
   True False

2. A wave energy system can be used to power a warning buoy or a small lighthouse.
   True False

3. For tidal power to work, there must be at least 50 feet (15 m) between the high and low tides.
   True False

4. Reservoirs can be used to trap tide waters behind dams.
   True False

5. Tidal power plants can only be used in a few places in the world.
   True False

6. Ocean thermal energy conversion (OTEC) uses the temperature differences in the ocean.
   True False

7. Ocean thermal energy conversion has never been used to produce electricity.
   True False