chapter 14

what are the three factors that control surface currents?

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NGSS.MS-ESS2-6

surface currents are caused by.

• floods

• warm water

• the wind

• the equator

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NGSS.MS-ESS2-6

the difference between water levels at low and high tide

• neap tide

• tidal bore

• tidal range

• spring tide

• gravity

what is one factor that help form deep currents?

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NGSS.MS-ESS2-6

when do the greatest tidal ranges occur?

• spring tides

• neap tides

• high tides

• low tides

the periodic daily rise and fall of ocean water.

• tidal bore

• tides

• sun

• high tides

• neap tides

spring tides and neap tides occur in patterns governed by.

• changes in the force of the earths gravity

• the type of ocean currents near where the tides occur

• whether the gravity of the sun or moon exerts a stronger pull.

• the relative positions of the earth, moon, and sun

which statement describes what is happening at high tides

• the mood is revolving more quickly than the earth is rotating

• the moons gravity is pulling ocean water into a bulge

• the moons gravity is dragging water away from the equator

• the suns gravity pulls with more force than the mons gravity.

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

from what is known about spring tides and neap tides you can conclude that

• the suns gravity exerts the most power when the moon is on theopposite side of the earth form the sun

• the Hight of high tides varies with the phases of the moon

• spring tides and neap tides affect the phases of the moon

• the moon revolves around the earth every 14 days

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NGSS.MS-ESS1-1

in which direction do global winds blow ocean currents at our latitude

• from east to west

• from west to east

• counterclockwise

• away from the poles

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NGSS.MS-ESS2-6