Oceans

For every 1000 grams of ocean water, how many grams of salt is there on average?

• 5

• 15

• 130

• 35

What is known as the measurement of dissolved salt in water?

• saltiness

• salinity

• desalination

• nonsalination

What do scientists call the gently sloping land from the shoreline to the continental slope?

• the continental floor

• the continental shelf

• the continental divide

• the continental ridge

Which features cut down through the continental shelf and slope?

• submarine canyons

• submarine trenches

• submarine crevices

• submarine valleys

What feature can be over 11,000 meters deep?

• submarine canyon

• mid-ocean ridge

• ocean trench

• abyssal plain

What do scientists call a large mass of water that distributes heat and nutrients in the ocean?

• an ocean wave

• an ocean current

• an ocean tide

• an ocean drift

Tags

NGSS.MS-ESS2-6

Which are the two major types of ocean currents?

• superficial currents and interior currents

• shallow currents and lower currents

• top currents and bottom currents

• surface currents and deep currents

Moving air drags the water's surface, transferring energy, causing what ocean feature?

• waves

• ocean trenches

• tides

• longshore drift

Tags

NGSS.MS-ESS2-6

What is the HIGHEST part of a wave called?

• wave frequency

• wave length

• wave trough

• wave crest

What causes tides?

• rotation of Earth

• gravity

• the shape of Earth

• heat from the sun

Tags

NGSS.MS-PS2-4