6th and 7th Graders are working on Review Sheets.


ALL Answers were due today; students will be able to study on Wednesday afternoon, since they'll be out of school for a half day.  Parents - please check to be sure that your students have defined all vocab words and answered all Analysis Questions on the review sheet.

Sixth Graders - Additional information that you must put in your science notebook:
Chemical Contamination includes various chemical substances that get in water supplies from human activities.  These can be harmful, such as fertilizers, gasoline, oil, metals, and acids. They could also be helpful, such as chlorine used to kill bacteria.
Biological contamination includes living things or once-living things and their waste products, such as bacteria, viruses and protists.
Seventh Graders should think about which infectious diseases they'd be most likely be interested in working on for their project, due Jan. 30th