Water cycle- the process of
water going around our planet- never new water- just changes form
Evaporation, condensation, precipitation, collection/runoff
Water contamination- when pollutants enter bodies of water (oceans, lakes, rivers, streams, aquifers, groundwaterà pipes, city water, drinking water)
· Dissolved oxygen- the amount of oxygen available in the water- plants make oxygen
for the air, some dissolves into the water- varies with depth
Water quality- to see if your water is healthy or clean, make sure it doesn’t have any bad chemicals in it- the tests you can do on your water
Turbidity- how cloudy the water is
Dissolved solids in water- when solids/chemicals from the ground/pipes dissolve into the water
Chemical vs. biological water contamination
Chemical- chemicals in the water (ex: pesticides)
Biological- LIVING things (ecoli, bacteria, virus,
parasites)
GOOD THINGS DISSOLVED IN WATER
BAD THINGS DISSOLVED IN WATER
How do you know the water is healthy?
