freshwater vs saltwater

Question 1

salinity

Answer 1

a measure of the quantity of
dissolved salt in water

Question 2

concentration

Answer 2

a way to measure how much of a substance is dissolved in a certain volume of a solution.

Question 3

desalination

Answer 3

the process of removing salt and other minerals from water

Question 4

what % of the dead sea is salt

Answer 4

30%

Question 5

average salinity of the worlds oceans

Answer 5

3-4%

Question 6

% of water on earth that’s fresh

Answer 6

%3

Question 7

name 2 ways to desalinate water

Answer 7

thermal energy, evaporating and then condensing the water

Question 8

boiling point of freshwater

Answer 8

100*

Question 9

boiling point of saltwater

Answer 9

103*

Question 10

freezing point of freshwater

Answer 10

0*

Question 11

freezing point of saltwater

Answer 11

-10*

Question 12

true or false: saltwater is easier to float people or things in

Answer 12

true. it is more dense ( a solution)

Question 13

true or false: freshwater doesn’t evaporate

Answer 13

false. freshwater evaporates saltwater does not- the salt stays