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Tides.

Published byShanna Lawson Modified over 6 years ago

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Presentation on theme: "Tides."— Presentation transcript:

1 Tides

2 There are Two Tidal Bulges

3 Both Moon and Sun Cause Tides

4 Tides and the Real Oceans

5 How Tides Move in the Oceans

6 How Tides Move in the Oceans

7 Tides Affect Earth's Rotation

8 Tides and the Boston Tea Party, December 16, 1773
Near Earth's perihelion: strong solar tides Near lunar perigee: strong lunar tides Full moon on December 13: spring tide Overall effect: unusually large tidal range

9 The Boston Tea Party, December 16, 1773

10 Tides and the Battle of Tarawa, November 20, 1943
Near Earth's perihelion: strong solar tides Near lunar apogee: weak lunar tides Near last-quarter moon: neap tide Overall effect: unusually small tidal range

11 Location of Tarawa

12 The Attack on Tarawa

13 Tarawa: What the Planners Wanted

14 What Actually Happened
1027 Marines killed, 2292 wounded

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