Quiz: Tides and Current

4 spørsmål · Du må ha 100% for å bestå.

1. 1

   How many hours are there between high-water and low-water?

   3 hours12 hours6 hours2 hours
2. 2

   Where is the current the strongest?

   In the middle part of a narrow channel.Close to the shore.Its equal everywhere.Approximately 100 meters from shore.
3. 3

   Current against wave direction causes the waves to be…?

   Long and steepRolling and shortShort and steepRolling and long
4. 4

   What causes tidal fall (ebb) and rise (flood)?

   Gravitational forces by the Earths core.Gravitational forces by the Moon.Gravitational forces by the rotation of the Earth.Gravitational forces by the Moon, Sun, and rotation of the Earth.