Name:____________________________________________________Date:________________Period:_______
Tidal Patterns and Trends
Task: Analyze the tidal graph for Savannah, Georgia.
______________ Tide
______________ Tide
______________ Tide
______________ Tide
LENSES:
Label & List
Title:
IV:
units:
DV:
units:
Relationship between variables:
Equation
What do you notice?
Notice
What can you speculate or predict about how the graph would look next month?
Speculate
Explain your prediction from the speculate.
Explain/Evaluate
Write a summary of the information found in the graph.
Summary
Conclude and Analyze:
1. How many tides occur each day?
2. What patterns do you observe over the whole month of January?
3. About how many days does it take for the lowest high tide level to go to the highest high tide level?
4. Why do you think this occurs?
5. The highest high tide and the lowest low tides are called spring tides. How often do you think spring tides
occur?
6. On your graph label the spring and neap tides.
7. What is the difference in the high and low tides on the 13 th versus the 21st?
8. When the tidal range is very small, meaning the high tide is not very high and the low tide is not very low,
this is called neap tides. How often do you think occur?
9. During what 2 moon phases would you expect to see a spring tide?
10. During what 2 moon phases would you expect to see a neap tide?
11. On your graph, label and sketch the phase of moon.
12. What two days do you think the full moon and new moon occurred? Why?
13. What two days do you think 1st quarter and 3rd quarter occurred? Why?