Curated OER
pH Scale, acids and bases
Eighth graders define the pH scale, acids and bases. They distinguish between acidic and basic solutions using litmus paper. Students review simple chemical formulas. They define the subscript and coefficient in terms of chemical...
Curated OER
Acids, Alkalis and Indicators
In this pH worksheet, students describe acids and alkalis. Students determine is substances are strongly acidic or alkaline. Students use the color of universal indicator paper to determine the pH of given substances. This worksheet has...
Curated OER
pH Pre-Lab: Acids and Bases
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.