Students determine the salinity of a water sample by using a hydrometer. They discuss and test how salinity influences an object's ability to float in water.
4th - 12th Science 3 Views 44 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
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 instructional activity for you. After learning the proper way to collect field samples, pupils catch amphibians...
6th - 10th Science CCSS: Adaptable