Question Answer
The middle of a large ocean is what level of saltiness? average
Near the North Pole is what level of saltiness? less salty than average
Near the equator is what level of saltiness? saltier than average
Where a river flows into the ocean is what level of saltiness? less salt than average
What causes waves? wind blowing over the surface of the water
What causes storm surges? strong gusty winds like in a hurricane
What causes erosion and deposition of sediments along the shore? waves
What causes the daily tides? the force of gravity between Earth and moon
What is caused by the force of gravity between the sun, moon, and Earth when they are aligned twice monthly? Spring tides
What is caused by the force of gravity between the sun, moon, and Earth when they form a right angle twice a month? Neap tides
What is caused when denser water sinks forcing less dense water to rise? deep ocean currents
What has the greatest effect on changing tides pull of the moon's gravity
What makes beaches smaller because it carries sediment away from the shore? erosion
What makes beaches larger in some areas because it deposits sand and sediment near the shore? deposition
Why is the gravitational force of the moon on Earth's oceans is stronger than the gravitational pull of the sun? because it is closer
Which tides are higher than high tides called? Neap tides
Which tide causes little difference between high and low tides? Spring tides
Tides are caused by_______? gravity
Ocean currents in the Northern hemisphere travel how? clockwise
Ocean currents in the Southern hemisphere travel how? counter-clockwise
Water 2 D2 Q & A

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