Oceans and Climate

What type of ocean water is denser?

• fresh

• salty

What process brings nutrient rich water up from the ocean floor?

• ocean currents

• circulation

• upwellings

• downwellings

How much of Earth's surface is covered by oceans?

• 75%

• 50%

• 90%

• 65%

What causes a decrease in ocean salinity?

• plant and animal respiration

• glaciers melting

• evaporation and rainfall

• warming ocean

Climate is different than weather because climate is ______.

• just temperature

• due to elevation

• over a long period of time

• just seasonal changes

Tags

NGSS.MS-ESS2-6

Why is it colder at the poles than at the equator?

• sun's energy is deflected by curve surface

• uneven surface caused energy to absorbed differently

• energy is spread out over a larger area near the poles

• energy has decreased by the time it hits the poles

Tags

NGSS.MS-ESS2-6

What current is caused by global winds pulling on ocean water?

• density

• surface

Tags

NGSS.MS-ESS2-6

What happens when you add saltier water, like from the Dead Sea, to ocean water?

• it floats to the top

• it sinks

• nothing

What resource do we drill for on the ocean floor?

• oil

• aluminum

• calcium

• salt

What is one way oceans influence life on Earth?

• Oceans produce massive amounts of greenhouse gases

• Ocean currents create new land masses

• Ocean temperatures regulate Earth's climate and weather

Tags

NGSS.MS-ESS2-6