8th Grade Friday Quiz 11/15

A result of upwelling is a/an _________ in nutrients in the water.

• Decrease
• Increase
• No Change

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The nutrients in the water help tiny plants called ______________  to grow. 

• algae
• kelp
• plankton

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Upwelling causes the water off the western coasts of continents in the tropics to  

• Have warmer temperatures than other tropical waters
• be productive fishing grounds
• produce El Nino 
• ride over cold denser waters below

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Upwelling is associated with

• a decrease in access to nutrients for phytoplankton
• cooler, nutrient-rich waters being pushed up from deeper ocean waters
• temperature gradients moving water from the equator to the poles
• an increase in human fatalities

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A measure of the amount of dissolved salts in a given amount of liquids is called: 

• salinity
• density
• deflection
• upwelling

A movement of ocean water that follows a regular pattern is called a/an: 

• Coriolis Effect
• continental deflection
• ocean current
• global winds

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NGSS.MS-ESS2-6

Explain the importance of upwelling to ocean life.

• brings nutrients from the deep ocean to the surface
• it allows animals to find new homes
• causes density changes that circulate temperature
• brings nutrients from the surface to the deep ocean

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Which causes the subtropical jet stream to bring cold, wet winter weather to the southeastern United States?

• El Niño
• La Nina
• Coriolis effect
• Santa Anna Winds

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Which best explains why El Niño could cause an increase in precipitation in California?

• Which best explains why El Niño could cause an increase in precipitation in California?
• Warmer ocean water allows for warm air to be blown toward the United States and cause droughts.
• Cooler ocean water causes the air to cool, and brings high air pressure to the United States.
• Warmer ocean water allows for warmer, wet air to travel east toward the United States.

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Scientists have found strange new life-forms called “tubeworms” on the deep ocean bottom. Which most likely provides energy for the tubeworms?

• algae
• small fish
• photosynthesis
• hydrothermal vents

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