Oceans

the open ocean, where sunlight does not reach the seabed.

• oceanic zone

• neritic zone

• Intertidal zone

• salinity

Tags

NGSS.MS-ESS2-6

a vertical column of ocean water, divided into different zones according to their depth.  (There are 2 of these, the photic zone and the aphotic zone)

• photic zone

• water column

• abyssal plain

• aphotic zone

area in a body of water that is deeper than 200 meters where sunlight does not penetrate to allow photosynthesis to take place.

• photic zone

• aphotic zone

• oceanography

• abyssal plain

The largest ocean is the _______ Ocean, which contains nearly 50 percent of Earth’s ocean water.

• Pacific

• Indian

• Atlantic

• Southern

_______ is the amount of dissolved salts that are present in water.

• Salinity

• Density

• Sediment

• Porosity

Tags

NGSS.MS-ESS2-4

T/F: Salinity varies slightly from one location to another as a result of the water cycle and climate variations.

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Salinity increases in areas of high __________.

• evaporation

• transpiration

• condensation

• sublimation

Tags

NGSS.MS-ESS2-4

Scientists divide the ocean into three temperature layers based on depth:

• the surface layer

• the thermocline

• the deep zone.

• the atmosphere

Tags

NGSS.MS-ESS2-6

__________ affect the density of ocean water.

• Temperature and salinity

• Only salinity

• Only temperature

• Neither temperature nor salinity

Tags

NGSS.MS-ESS2-6

The ______ of the water increases as its salinity increases.

• density

• flavor

• liquidity

• flow