Clarity and Turbidity
Learners conduct an experiment using a secchi disk to determine the turbidity and/or clarity of a water sample. Students consider the effects of turbidity and clarity in water on plant and animal life.
4th - 12th Science 3 Views 0 Downloads
Using Water Chemistry as an Indicator of Stream Health
Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...
8th - 12th Science
Scholars build a simple filtration system to remove impurities from muddy water and rate the filtered water to a grade of clarity scale. The focus is on teamwork and problem solving. This lesson would be effective in your STEM curriculum...
3rd - 12th Technology & Engineering CCSS: Adaptable
Is It Clean or Just Unseen? Dirty Water and the Naked Eye
How dirty is the water you consume? Pupils investigate a contaminated water source to determine the bacterial cell count. They participate in a discussion once results are obtained and relate this to drinking water and health safety.
9th - 12th Science
New Review Monitoring Amphibians
What sort of shoes do frogs wear? Open toad sandals. If your scholars want experience collecting field samples, this is the lesson for you. After learning the proper way to collect field samples, pupils catch amphibians to test for...
6th - 10th Science CCSS: Adaptable
Does Clear Water mean Healthy Water?
Learners test their local aquatic site to determine its water clarity. They collect a water sample and measure its turbidity using a sensor, then they repeat the experiment to obtain a second turbidity reading to find the average value.
5th - 9th Science CCSS: Designed