Curated OER
Pre-Lab Questions-Acids and Bases
In this acids and bases learning exercise, students answer eight questions about acids and bases prior to doing a titration lab. They define both acids and bases and explain what a neutralization reaction is as well as a titration.
Curated OER
Acids and Bases
Students observe a demonstration where a liquid changes colors when poured from one beaker to another. In this acids and bases lesson plan, students observe solutions changing color when poured from one beaker to the next based on the...
Curated OER
Balancing Redox Reactions
In this redox reactions worksheet, students balance six acidic solution reactions and six basic solution reactions. Oxidation and reduction numbers are given.
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, young scholars look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
Acid, Base, or Salt?
In this acids and bases worksheet, high schoolers read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base,...
Royal Society of Chemistry
Alkalis and Salts
Gamification is an educational sensation! Young scientists build their acid-base vocabulary skills through a series of puzzles focused on bases and the salts they form. The challenging activity comes complete with a printable version and...
Curated OER
Extending the Acid/Base Concept
In this acid and base worksheet, students answer 4 questions about the definitions of acids and bases. They illustrate the differences between Arrhenius and Bronsted acids and bases and draw Lewis diagrams for the formation of compounds...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
American Chemical Society
Comparing the Amount of Acid in Different Solutions
Upcoming chemists use chemical reactions to determine relative pH in two different acids. This is a terrific lesson for middle schoolers that can stand alone as a practice in precision and lab skills, or as part of the unit on chemical...
Curated OER
Types of Chemical Reactions
For this chemical reactions worksheet, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.
Curated OER
Types of Chemical Reactions
In this chemical reactions activity, high schoolers read about the 3 types of chemical equations and how to write balanced ionic equations. Students are given 5 equations to balance, write the type of reaction, write the total ionic...
Chymist
Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
Curated OER
Acids, The Basics: What are They and How Do We Name Them?
What acids are and how they are named are the main topics approached in this slide show. Explore the definitions and behavior of acids, along with directions for naming and writing reactions. The last slide has some practice questions...
Curated OER
2001 U.S. National Chemistry Olympiad National Exam Part II
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...
Curated OER
Chapter 16 Worksheet-Acids and Bases
In this acid and base worksheet, learners solve fourteen problems including finding the pH of solutions, calculating the hydronium and hydroxide ion concentration, naming substances and identifying if the are strong or weak acids or...
Curated OER
Acid and Base Problems
For this acid and base worksheet, students use seven steps to calculate concentrations of ions in acidic and basic solutions. They also determine the type of acid or base.
Curated OER
Precipitation, Acids and Bases, and Molarity
In this chemistry worksheet, students write the net ionic equations for any precipitation reactions that occur on mixing aqueous solutions for each of the substances listed. Then they write the net ionic equations for the acid/base...
Curated OER
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
Curated OER
Acid and Base Homework
In this acid and base worksheet, students answer 7 questions about acidic and basic solutions such as the color each turns litmus paper, the pH values, the balanced equations for neutralization reactions and their pH and concentrations.
Curated OER
Photosynethsis....How do we know it's really happening? - Biology Teaching Thesis
Students think of one way to detect photosynthesis in plants besides those ways shown in class. They identify the reaction that occurs during photosynthesis. Students define the difference between an acid and a base. They identify acidic...
Curated OER
Acids and Bases
For this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
Curated OER
Acid (and Base) Rainbows
Students are introduced to the differences between acids and bases and how to use indicators, such as pH paper and red cabbage juice, to distinguish between them. They make predictions that can be answered through scientific...
Curated OER
Balancing Redox Reactions in Acidic and Basic Solutions
Five acidic and five basic solutions are listed for your chemistry apprentices to review. For each, they must state which atom or ion is being oxidized or reduced, and then name the oxidizing or reducing agent. Finally, they balance each...
American Chemical Society
Chemical Reactions and Color Change
Colors are more than just a pretty effect. Learners explore what color change means in terms of chemical properties and reactions. They create a pH solution using cabbage leaves and observe the changes when acids and bases are added.