Curated OER
Acid Rain
Students investigate acid rain. In this environmental lesson, students participate in an experiment using litmus paper and various liquids and then test the acidity of the liquids. Students identify reasons why acid is harmful to the...
Curated OER
Water Quality and Environmental Pollution
Learners use litmus paper to begin to discover the qualities of acids and bases. They learn about pH by testing clear liquids for acidity with purple cabbage juice as an indicator. The video Streamkeeper, with Bill Nye, and other video...
Curated OER
The Air We Have Around Us
Students listen to story, The Lorax, by Dr. Seuss, discuss air quality and how people affect the earth and its atmospheric cycles, and give oral reports on what they have learned.