Children explore their environment

Experiments with sea water

Life started in sea water, most of the Earth is covered by it and any human being has spent the first 9 months of his life in a liquid with a simiIar composition like sea water.
Salt for the kitchen and for the industry is obtained from sea water.
In arid areas of the world more and more fresh water is made by desalination of salt water.

...........1. Make sea water from salts

.......... 2. Make salts from sea water
...............3. Why salt directly made from sea water needs an additive
........4. More about Dead Sea water
.....5. Bicarbonate of soda and other Dead Sea Salts
........6. Sherbet powder made of bicarbonate of soda, lemon juice and sugar

.......7. Salt water conducts electricity while its is transformed into chlorine
 8. Chemists can make the kitchen salt from sodium and chlorine
.....9. Sea water is more than a chemical: Breading small crabs
..