Which of the following is the main cause of the tides?

• Differences in density

• Wind

• Gravitational pull of the moon

• Movement of organisms in the ocean

Tags

NGSS.MS-ESS1-1

This is the measure of the amount of dissolved salts in ocean water.

• Salinity

• Density

• Temperature

• Biodiversity

What percentage of the Earth's surface is covered by the global ocean?

• 3.5%

• 75%

• 96.5%

• 97%

Tags

NGSS.MS-ESS2-4

What is the average salinity of ocean water?

• 3.5% dissolved salts

• 75% dissolved salts

• 96.5% dissolved salts

• 97% dissolved salts

________ is the mass of a substance per unit of volume.

• Temperature

• Density

• Salinity

• Biodiversity

These are stream-like movements of ocean water that follow a predictable pattern. They occur in the upper layers of ocean water and are caused and controlled primarily by global wind patterns.

• Tides

• Deep Ocean Currents

• Surface Currents

• Waves

Tags

NGSS.MS-ESS2-6

These movements of ocean water occur when several major surface currents combine to create giant "loops." There are two of these in the Northern Hemisphere and three in the Southern Hemisphere.

• Tides

• Waves

• Gyres

• Upwellings

Tags

NGSS.MS-ESS2-6

________ water is more dense and will sink beneath _______ water.

• Cold : Warm

• Warm : Cold

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

_______ water is more dense and will sink beneath ________ water.

• Less Salty : Saltier

• Saltier : Less Salty

Most places on Earth experience ____ high tides and ____ low tides every day.

• 2 : 2

• 0 : 2

• 1 : 2

• 4 : 4

Tags

NGSS.MS-ESS1-1