oceanography

Name: ____________________________

Tides

Use the Tide Data Sheet and Tide Data Table to answer the following questions. You will need to connect the dots on the Tide Data Table to see the changes in the tides.

1. What type of tide is being shown in data and graph? ____________________

2. On what day and time is the highest tide recorded in these 8 days? __________________

3. On what day and time was the lowest tide recorded in these 8 days? _______________________

4. The least tidal range in the set is _______________ meters on day _______________

5. What is the elevation of the mean (average) low water for the 8 days? ____________________

6. What is the elevation of the mean (average) high water for the 8 days? ____________________

7. What type of tides have the lowest range when the moon and sun are at 900 angles other?

_________________________

8. What type of tides has the highest range when the moon and sun are in a straight line with each other?

_________________________

9. Explain what a diurnal tide is?

10. May 7 is a full moon. When will the next full moon be? _________________

When will the next new moon be? _________________

11. How does the difference between a lunar day and solar day change the time of high and low tide?

12. Considering your answers above, explain how the phases of the Moon control the tidal range, referring in your answer back to the related question. using the terms spring tide and neap tide in your explanation.

13. For the next 5 days go outside and look for the moon. What did the moon look like from day to day?

14. Explain how the position of the moon changed from day to day. This will be easier to answer if you look at the moon at about the same time each day.

15. Draw a spring tide; show how the gravitational pull of the moon and sun create this type of tide.