Curated OER
The Acid Test
Students prepare a test solution whose color changes when an acid or a base is added. They determine whether various household substances are acids or bases and look for patterns in the results. Students determine how their test solution...
Pingry School
Acid-Base Indicators
Acid-base indicators are an essential part of any chemistry classroom. Individuals explore the color-changing feature of the important indicators in a vibrant hands-on activity. Using serial dilution, learners create solutions ranging...
Curated OER
Electrolytic Titration
Young scholars observe an electrolytic titration using a conductivity tester. In this titration lesson, students observe a solution of acid conducting electricity using the conductivity apparatus. They observe the acid solution being...
Curated OER
Determining The pH Of Common Substances
Students use a pH indicator to measure the pH of some fruits, common beverages, and borax. Students discover how to differentiate between an object that is an acid or a base.
Curated OER
Introductory Lesson on How pH Levels are Determined
Students explore pH levels of different substances. In this lesson plan about pH, students work together in three to four groups to test substances. moving between three different stations performing tests on the substances to determine...
Curated OER
Making A Natural pH Indicator
Students make their own pH indicator from red cabbage. Red cabbage contains a chemical that turns from its natural deep purple color to red in acids and blue in bases. Students boil the cabbage to get the pH indicator.
Curated OER
Measuring pH
High schoolers perform an experiment which will illustrate how to measure the approximate pH of chemicals in water using a pH indicator. They understand that a pH indicator is a chemical that changes color when it comes in contact with...
Curated OER
Hatching Chickens
Students observe caring for eggs and chickens. In this hatching lesson plan students brainstorm what they know about chickens and carefully watch what happens.