Curated OER
Towers of the Lost City
Middle school marine scientists compare the pH change in distilled and saltwater as acetic acid is added one drop at a time. Then they compare the pH change in both when sodium hydroxide is added. This experiment demonstrates the...
Curated OER
Acid Rain: Where Have All the Rainbows Gone?
High schoolers study the pH scale and sources of acid precipitation. In this acid rain lesson students complete a lab on acid rain then complete a handout.
Curated OER
pH
Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Learners test the pH level of many water samples.
Curated OER
Strawberry DNA extraction
Young scholars study the basic function of DNA and then extract it from strawberries. For this DNA extraction lesson students examine DNA and see why the extraction of it is so important to scientists.