by Southwest EFC | Dec 8, 2023
Students extend their understanding of surface tension by exploring the real-world engineering problem of deciding what makes a “good” soap bubble. Student teams first measure this property, and then use this measurement to determine the best soap solution...
by Southwest EFC | Dec 8, 2023
In the presence of water, citric acid and sodium bicarbonate (aka baking soda) react to form sodium citrate, water, and carbon dioxide. Students investigate this endothermic reaction. LINKS The Big Chill water chemistry activity
by Southwest EFC | Dec 8, 2023
Visual representation of the water cycle, and additional links and resouces to learn about both human impacted and natual water cycles. Includes resources for multiple languages and materials for kids. LINKS Water Cycle Diagrams
by Southwest EFC | Dec 8, 2023
Students measure the effectiveness of water filters in purifying contaminated water. They prepare test water by creating different concentrations of bleach (chlorine-contaminated) water. LINKS Water Remediation Lab
by Southwest EFC | Dec 8, 2023
From the EPA, a full, in-depth look at water. The Water Source Book includes a series of activities related to learning about water oriented at learners 6-8 grade. LINKS Water Sourcebooks, EPA