Currents and Climate (1st 10) & Tides (Last 20)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Two types of Surface Currents. | Warm Water Currents and Cold Water Currents.
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| What creates warmer climates in coastal areas that would otherwise be much cooler? | Warm Water Currents.
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| What is a northern cold current that flows south bringing cooler waters and keeps climate along a coastal area cooler that it should be? | Cold Water Currents.
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| What is the movement of deep cold and nutrient rich water to the surface? | Upwelling.
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| What causes upwelling? | When local current move away from the shore, the movement causes this event.
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| Why is upwelling important? | They help tiny plants grow through photosyntheisis. It promotes the health of tiny plants and organisms which in turn affect fish and birds, et....
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| How often does El Nino occur? | Every 2 to 12 years.
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| What is a change in the water temperature in the Pacific Ocean that produces a warm current causing unexpected weather events (droughts in areas that usually get rain and mudslides and flooding in areas that are usually in a drought)? | El Nino.
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| What is a change in the eastern Pacific Ocean in which the surface water temp becomes unusually cool? | La Nina.
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| Why is it important to study El Nino? | Because of its effects on organisms and land.
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| What are the periodic rise and fall of the water level in the oceans and other large bodies of water? | Tides.
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| Tides are influenced by two things? | The Moon and the Sun.
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| Tides are most affected by the moon due it ____________pull to the Earth. | Gravitational.
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| The moon's pull is strongest on the part of the Earth that is directly ____________________ the moon. | Facing.
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| There are two daily tides: | High and Low.
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| What are the bulges found on the side of the Earth directly facing the moon as well as the bulges on the direct opposite sides of the the EArth. | High Tides.
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| What is it called when water is drawn away from the area between the high tides? | Low Tides.
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| How much time lapses between two high tides? | 24 hours 50 minutes. Once a day.
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| How much time lapses between a high tide and a low tide? | 12 hours 25 minutes. Once a day, almost twice.
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| What is the difference between levels of the ocean water at high tide and low tide? | Tidal Range.
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| If high tide occurs at 12 pm on Monday when is the next high and low tides? | Low Tide - 12:25 am Tuesday
High Tide - 12:50 pm Tuesday
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| An area experiences high tide at 10 am on Tuesday. At about what time will there be another high and low tide? | Low Tide - 10:25 pm Tuesday
High Tide = 10:50 am Wednesday
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| What is a tide of increased range that occurs twice a month at the new and full moons? | Spring Tide.
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| What is a tide of minimum range that occurs during the first and third quarters of the moon? | Neap Tide.
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| What are the tidal ranges of the Spring and Neap Tides? | Spring tides have the largest daily tidal range. Neap tides have the smallest daily tidal range.
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| What are the two monthly tides called? | Spring and Neap tides.
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| During which moon phases do spring tides occur? | New and Full moon phases.
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| During which moon phases do neap tides occur? | 1st and 3rd Qtr. Moons.
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| During a spring tide what is the positions of the Earth, Sun, and Moon? | They are aligned.
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| During a neap tide what is the position of the Earth, Sun, and Moon? | They form a 90 degree angle.
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