*Refer to Chapter 12 in your Textbook. Learning Goals: 1. I can explain how tidal waves are...
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Lesson 4.2:Tides
*Refer to Chapter 12 in your Textbook
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Learning Goals: 1. I can explain how tidal waves are
generated. 2. I can differentiate between the various
types of tides. 3. I can describe an intertidal habitat.
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Tidal Generated Waves: The gravitational pull from the Sun
and Moon causes high and low tides Moon has a greater influence
because it is closer to Earth
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Tides differ around the world:One high tide and one low tide each
day = Diurnal Two two high tides and two low
tides each day = Semi-diurnal
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Spring and Neap Tides: Spring Tides: occur when the Sun, Moon,
and Earth are in a straight line Occurs at new and full moons Have the greatest effect on tides
Neap Tides: occur when the Sun, Moon, and Earth make a right angle Occurs at first and third quarter moons
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Spring and Neap Tides:
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Extreme Tides:Bay of Fundy- Nova Scotia, Canada
Largest tidal range in the worldApproximately 48-55 ft (FL is about 4 ft)
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Tidal Bores:Occur when incoming tides produce a wave
that flows into a narrow area (river, bay) Only occur in a few places around the world
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Intertidal Habitat:“Tide Pools”
Covered with water during high tide, and exposed to air during low tide
Must adapt to harsh conditions like waves & drying out