Oceans and Seas

Tides caused by the gravity of the sun are called _____________.

• lunar tides

• peptides

• solar tides

• high tides

The process by which salt is removed from ocean water is called ______________.

• unsaltifying

• desalination

• chlorination

• hydrolysis

A cubic meter of ocean water weighs a little over

• 5,000 pounds

• 2,000 pounds

• 100 pounds

• 65 pounds

Because of the salt content, ocean water freezes at a temperature ______________ regular water.

• It doesn't freeze

• lower than

• higher than

• the same as

Which body of water has experienced changes in tide levels of over 50 feet?

• Panama Canal

• Bay of Fundy

• Gulf of Mexico

• Mediterranean Sea

Surface currents in the ocean are predominantly caused by __________.

• the migration of fish

• the sun's gravity

• the movement of ships

• winds

Tags

NGSS.MS-ESS2-6

Ocean water that experiences upwelling is rich in ____________.

• oxygen

• nutrients

• carbon

• plankton

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Currents caused by the quick sinking of sediment-heavy water are called _____________ currents.

• sedimentary

• deepwater

• thermohaline

• turbidity

Tags

NGSS.MS-ESS2-4

The most significant of the deep density currents are the ______________ currents.

• turbidity

• brine

• thermohaline

• tidal power

Tags

NGSS.MS-ESS2-6

Water that is less salty than ocean water but more salty than fresh water is called __________ water. It is generally found in the the transition area between oceans and rivers.

• brackish

• brine

• prevailing

• temperate

Tags

NGSS.MS-ESS2-4