Plot the Data from the Table on the Graph, Then Answer the Analysis Questions

chANGING TIDES NAME______

Honors Earth Science DATE______HR____

Plot the data from the table on the graph, then answer the analysis questions.

North Myrtle Beach, SC (data from 2010)

Sept. / Low tide (m) / High tide (m)
1 / 0.15 / 0.66
2 / 0.13 / 0.67
3 / 0.13 / 0.66
4 / 0.14 / 0.65
5 / 0.16 / 0.64
6 / 0.19 / 0.62
7 / 0.22 / 0.63
8 / 0.25 / 0.64
9 / 0.28 / 0.64
10 / 0.40 / 0.65
11 / 0.38 / 0.66
12 / 0.17 / 0.67
13 / 0.13 / 0.69
14 / 0.07 / 0.72
15 / 0 / 0.75
16 / -0.07 / 0.77
17 / -0.10 / 0.77
18 / -0.11 / 0.75
19 / -0.05 / 0.74
20 / 0 / 0.73
21 / 0.11 / 0.72
22 / 0.21 / 0.71
23 / 0.30 / 0.68
24 / 0.37 / 0.65
25 / 0.41 / 0.63
26 / 0.31 / 0.62
27 / 0.31 / 0.61
28 / 0.29 / 0.60

Connect the high tide data points with a smooth line. Do the same for the low tide data points.

Analysis:

1.  TIDAL RANGE is the difference between the high tide and low tide for any given day.

The largest measured tidal range was on September ______.

Calculate the difference between the high and low tide on this date. (Careful when subtracting negative numbers) Show your work, label your final answer.

This is an example of (circle one): SPRING TIDE NEAP TIDE

What phase was the moon in during this tide? ______OR ______

2.  The smallest tidal range was on September ______.

Calculate the difference between the high and low tide on this date. Show work, label final answer.

This is an example of (circle one): SPRING TIDE NEAP TIDE

What phase was the moon during this tide? ______OR ______

3.  How many days pass between the spring tide and neap tide? ______

LAST QUARTER / Sept. 13
NEW / Sept. 20
FIRST QUARTER / Sept. 27
FULL / Oct. 5

4. Predict the type of tide (spring, neap, normal) expected TODAY (Sept. 25, 2017): ______

5. On what dates will the two SPRING tides occur in OCTOBER 2017? ______& ______

6, In 2017, on what dates will the October NEAP tides occur? ______& ______