1 / 9

Water Contaminants: Risks and Solutions

Learn about types of contaminants in water, their sources, and impact. Explore chemical, biological contaminants and their entry into water sources.

lockettd
Download Presentation

Water Contaminants: Risks and Solutions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Contaminants in Water

  2. Water is a SolventSome substances in water are good!

  3. Contaminants • contaminant: an undesirable substance in a mixture • Where do they come from?

  4. Chemical Fertilizers Herbicides Pesticides Salt Minerals Acid Rain Other chemicals Biological Micro-organisms Organic Matter Types of Contaminants

  5. Contaminants in Fresh Water • Contaminants in Water.doc

  6. Walkerton Crisis • http://www.cbc.ca/news/background/walkerton/walkerton_report.html

  7. Acid Rain Video • http://www.youtube.com/watch?v=WOHJXyhe2Tk&safety_mode=true&persist_safety_mode=1&safe=active

  8. Endangering Animals • http://www.youtube.com/watch?v=Ku5dgUtXcLo&safety_mode=true&persist_safety_mode=1&safe=active

  9. Check Your Learning • 1. Name two parts of the water cycle in which contaminants can be introduced. • 2. (a) What are the two main categories of contaminants in water? • (b) Why are they a problem? • 3. Choose two chemical contaminants that could be found in a freshwater source. For each one, • (a) identify a source of the contaminant • (b) describe how the contaminant got into the water • 4. Briefly describe how a biological contaminant was able to get into groundwater wells at Walkerton.

More Related