PART C: Tides & Lunar Phases

1. Investigate the relationships between the tides and phases of the moon

a) On a sheet of graph paper, plot the high tides for each city.

b) On the high tide graph plot the moon phase using the numbers in the moonphase column.

2. Repeat this process on th opposite side for the low tides and the moon phases.

3. Answer these questions and staple them to your graph
a) What relationships exist between high tides and phases of the moon?
b)What relationships exist between low tides and phases of the moon?
c)Summarize your ideas about how the moon affects tides in a paragraph.

Table 1: Heights of High and Low Tides in Five Coastal Locations during January 2001
(All Heights are in feet)
 
 
 
Breakwater, DL
Savannah, GA
Portland, ME
Cape Hattaras, NC
New London, CT
Date
Moon Phase
 
High
Low
High
Low
High
Low
High
Low
High
Low
1/31/01
First Quarter
2

3.6

0.2
7.3
0.5
8.5
1
2.6
0.2
2.4
0.3

1/6/01

Waxing Gibbous
3
4.5
0
8.2
0.5
9.7
0.1
3.4
-0.4
3
-0.2
1/10/01
Full Moon
4
5.6
-0.9
9.4
-1.5
11.6
-1.9
4.2
-0.8
3.5
-0.7
1/13/01
Waning Gibbous
3
5.1

-0.7

8.8
-0.9
11
-1.4
3.7
-0.6
3
-0.5
1/16/01
Last Quarter
2
4.1
-0.1
7.9
-0.2
9.7
0.1
3
-0.2
2.7
0
1/20/01
Waning Crescent
1
4.3
0.1
7.3
0.2
9.4
0.2
3.2
0
2.8
0
1/24/01
New Moon
0
4.6
0
8.1
-0.1
9.7
-0.1
3.3
-0.1
2.8
-0.1
1/30/01
Waxing Crescent
1
3.7
0.1
7.4
0.1
8.7
0.6
2.6
0
2.4
0.2