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Salinity (Annika, Bella, Charlotte)

Published on Nov 19, 2015

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PRESENTATION OUTLINE

WHAT IS SALINITY?

SALINITY IS THE AMOUNT OF SALT IN WATER.

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HOW DOES THE SALINITY OF WATER AFFECT LIFE?

SALINITY AFFECTS THE AMOUNT OF DISSOLVED OXYGEN

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IT'S HARDER FOR OXYGEN TO DISSOLVE IN SALTIER WATER

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WHEN SALINITY CHANGES IT AFFECTS GROWTH OF ANIMALS

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HOW DO YOU MEASURE SALINITY?

YOU USUALLY MEASURE SALINITY BY USING ELECTRICITY

YOU CAN ALSO USE A HYDROMETER OR REFACTOMETER

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IT IS MEASURED IN PARTS PER THOUSAND (PPT)

MOST OCEANS HAVE 35PPT SALINITY

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WHICH MEANS THAT IN 1000 GRAMS OF WATER

THERE IS 35 GRAMS OF SALT

THANK YOU!

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