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Questions and Answers
What causes high tides?
What causes high tides?
- Strong winds
- Full moon (correct)
- High temperatures
- Low atmospheric pressure
Which of the following factors affect the tides?
Which of the following factors affect the tides?
- Wind speed
- Moon phases (correct)
- Rainfall
- Temperature
What is the average duration of a tidal cycle?
What is the average duration of a tidal cycle?
- 72 hours
- 48 hours
- 12 hours
- 24 hours (correct)
Match the following tides related terms with their correct definitions:
Match the following tides related terms with their correct definitions:
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Match the following factors with their effect on tides:
Match the following factors with their effect on tides:
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Match the following tidal patterns with their descriptions:
Match the following tidal patterns with their descriptions:
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Study Notes
Tides
- High tides are caused by the gravitational pull of the Moon and the Sun on the Earth's oceans.
Factors Affecting Tides
- The gravitational pull of the Moon and the Sun
- The Earth's rotation
- The shape and size of the ocean basins
- Wind and atmospheric pressure
Tidal Cycle
- The average duration of a tidal cycle is 24 hours and 50 minutes.
Tides Related Terms and Definitions
- Spring Tide: a tide with the greatest difference between high and low water levels, occurring when the Moon and Sun are aligned.
- Neap Tide: a tide with the least difference between high and low water levels, occurring when the Moon and Sun are at right angles to each other.
Factors and Their Effects on Tides
- Gravitational Pull of the Moon: causes the ocean water to bulge, resulting in high tides
- Gravitational Pull of the Sun: enhances or cancels out the effect of the Moon's gravitational pull, depending on their alignment
- Earth's Rotation: causes the tidal bulge to move around the Earth, resulting in high and low tides
Tidal Patterns and Descriptions
- Diurnal Tide: a tidal pattern with one high and one low tide per day
- Semidiurnal Tide: a tidal pattern with two high and two low tides per day
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