QUIZ 4 - Tides
Quiz 3 - Quiz 4 Answers - Home

1. Tide = the vertical . . . . . . . and . . . . . . . . of the ocean water.

2. Tidal Range = diffenrence between successive . . . . . . and . . . . . . tides

3. Spring tides occur when it is new / quarter moon and full / three quarter moon.
   Spring tides have a big / small tidal range
   In Darwin that can be up to . . . . . meters.

4. Neap tides occur when it is new / quarter moon and full / three quarter moon.
   Neap tides have a big / small tidal range
   In Darwin that can be is little as . . . . . .

5. Spring tides and Neap tides occur . . . . . . days after each other.

6. Incoming tide ("flow") = when the water is rising / falling.

7. Outgoing tide ("ebb") = when the water is rising / falling.

8. Each day High tide and Low tide occur . . . . . hours after each other.
   So in Darwin there are 1 / 2 / 3 high tides and 1 / 2 / 3 low tides each day.

9. When the tidal flow and wind are in the same direction you have a bumpy / smooth ride in the boat.

10. When the tidal flow and wind are the oppositie direction you have a bumpy / smooth ride in the boat.

11. In order to allow for the tides put out . . . . times as much anchor rope than the depth of water below the boat.
    So when the water is 10 meters deep, put out 10 x . . . . = . . . . . meters of anchor rope.