Test and Treat Before You Drink - Lesson
A diagram shows the six steps of a typical drinking water-treatment plant: 1) first filtration (screens remove fish, leaves and trash), 2) coagulation (alum is added to form sticky flocs, 3) second filtration (water trickles down through sand or gravel, which filters out algae, bacteria and some chemicals), 4) chlorination (chlorine added to kill remaining organisms), 5) aeration (air forced through water to release gases, reducing unpleasant odors and taste), and 6) additional treatment (so...
The Water Cycle - Experiments and Resources for Elementary through High School
The Water Project -Experiments and activities to show how the water cycle helps to purify water. Evaporation and Condensation are explored as processes for water purification. This site also provides useful resources for exploring water issues.
eGFI – For Teachers » Lesson: Dirty Water Project
Lesson: Dirty Water Project- This is a great lesson to use to tie in Social Studies. The kids can explore science and chemistry while learning about ways we are trying to help people in other countries have clean water to drink. Warning: Explain that they are never to drink the water in this activity no matter how "clean" it looks.
Pump Water Without Electricity - SHTFPreparedness
Pump Water Without Electricity - If SHTF you could experience a drastic disruption to your water supply. Given the importance of water for survival, having a reliable source of water after a disaster needs to be one of your main priorities. Even worse, if the grid goes down it will be extremely difficult to pump water from a source, so taking the right precautions will be invaluable.