Oceans
ocean zones
water quality
structure of the hydrosphere
molecules
100

An enclosed area where rivers empty into the ocean, serve as nurseries for marine organisms is called?

estuaries

100

What part of the ocean that receives enough sunlight to permit photosynthesis?

the photic zone

100

the amount of health in a water supply

water quality

100

all of the water found in, on, and around the earth is called the?

hydrosphere

100

what is the slightly negative end of a water molecule?

oxygen atom

200

deepest part of the oceans

trenches

200

what part of the ocean that receives some sunlight, but not enough light for photosynthesis?

the dysphotic zone

200

the acidity of water

ph

200

makes up 97% of all of the water on the planet

salt water

200

What is the slightly positive end of a water molecule?

hydrogen atom

300

the cultivation of seafood

aquaculture

300

what part of an ocean or lake beneath the dysphotic zone, where no light penetrates?

the aphotic zone

300

ph of exactly 7

nuetral ph

300

most of the freshwater in the hydrosphere is locked up as this

ice

300

Molecules of the same substance sticking together is called?

Cohesion

400

an opening in the sea floor out of which heated mineral-rich water flows.

hydrothermal vents

400

what zone is located from the low tide line to the continental shelf?

neritic zone

400

ph less than 7

acidic ph

400

most of the liquid freshwater on Earth is found in this form, found in cracks and pores in the rock below Earth's surface

ground water

400

Molecules of different substances sticking together is called?

adhesion

500

What is a continuous shower of mostly organic detritus falling from the upper layers of the water column is called?

marine snow
500

What zone is located between the low and high tide line?

the intertidal zone

500

ph greater than 7

basic ph

500

the land area that water flows across or under on its way to a particular river

river basin

500

the cause of waters unique qualities. 

the polarity of water molecules