National Institute of Open Schooling
Ionic Equilibrium
Scientific studies show the older we get, the more acidic we become. The activity extensively teaches high schoolers about acids and bases. By the end of the 14th installment of 36, they can define and explain three concepts of...
Royal Society of Chemistry
pH and pOH
Feeling a little neutral about your pH and pOH teaching strategy? Perk it up with engaging puzzles! Young scientists relate ion concentration to pH and pOH, as well as the dissociation constant for water. The resource is available as an...
Curated OER
Acid Rain And Plants
Students observe the effects of acid rain on plants. They simulate an experiment using vinegar or lemon water. They observe the impact of acids on plants and recognize how acid rain can affect the environment. They examine their plants...
Curated OER
Chemistry: Acids and Alkalis
Students identify substances that are acids and alkalis. In this acids and alkalis instructional activity, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different...
Curated OER
Acid Rain
Young scholars understand the dynamics of acid rain and its impact on the living and non-living environment. They hypothesize how acid rain affects water pH levels in two lake systems with differing watershed features.
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
What Are Acids And Bases?
In this acids and bases worksheet, students will complete a Venn diagram by comparing and contrasting the characteristics of acids and bases.
NASA
Christa's Lost Lesson: Effervescence
How are chemical reactions affected by gravity? Learners explore the phenomenon of effervescence as part of the Christa's Lost Lessons series. They compare findings in an experiment on effervescence to a video of a similar experiment in...
NOAA
Why Should I Care?: Show How Increased Carbon Dioxide Makes the Ocean More Acidic
How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...
Curated OER
Acid Rain Lesson Plan Activity 2 - Understanding the Difference Between an Acid And a Base
Students experiment to determine the difference between an acid and a base. They study the concept of adding a buffering agent to make an acid more basic. They study the pH scale.
Curated OER
Acids and Bases
Young scholars analyze everyday materials to determine whether they are acids, bases, or neutral. In this chemistry lesson, students investigate the pH of various house hold products. They discuss why it is important to know if...
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...
Curated OER
Introductory Lesson on How pH Levels are Determined
Students explore pH levels of different substances. In this lesson 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
Chemistry: pH and pOH Calculations
In this pH worksheet, students complete a graphic organizer by determining the pH and pOH of given solutions and then deciding if its an acid or base. Students write equations for dissociation reactions. This worksheet has 1 graphic...
Curated OER
Chapter 14 Review/Acids and Bases
Two pages take chemistry learners on a survey of acids and bases. High schoolers write formulas and name compounds. They identify conjugate bases and acids with the aid of a table (not provided). On the second page, two different acids...
Curated OER
Household Chemicals
In this chemicals worksheet, students review how to read chemical labels, define an acid-base indicator, and decide which way strong acids can be dangerous. This worksheet has 15 short answer and 20 fill in the blank questions.
Curated OER
HOW IS PH DETERMINED?
Students estimate the pH based on the use of an unknown substance, determine whether an unknown substance is acid, base or neutral, and evaluate, by the pH determination, which of the unknowns is the strongest acid or base.
Curated OER
Determining pH
Eighth graders explain the difference between acids, bases and neutral solutions. In this chemistry lesson, 8th graders describe the properties of each. They determine the pH of an unknown solution using the indicator paper and pH scale.
Curated OER
Acid Rain Environment Pollution
Young scholars combine different materials to create chemical reactions. In this chemical reaction lesson plan, students will combine different materials to create chemical reactions and define these results as acids or bases. They will...
Curated OER
Investigating Acidity
Students classify liquids as an acid, base or neutral. They use purple cabbage juice as an indicator to test several liquids in order to group them as acids, bases or neutrals.
Curated OER
Acids and Bases Worksheet
In this acids and bases worksheet, students determine the pH and pOH for a given solution. Students determine the conjugate acids for the given species. Students calculate which solution will have a higher pH. This worksheet has 16...
Curated OER
Chemistry 12 pH Worksheet
Emerging chemists find their calling as they calculate the concentration of hydronium and hydroxide ions and the pH and pOH for several solutions. In some cases, values are given, and in others, actual word problems are written out....
Curated OER
Titrations Worksheet
In this titrations worksheet, students answer 4 questions about titrations and solve for the pH of solutions and their concentrations. They determine the quantity of a base needed to neutralize an acid.
Curated OER
Natural Indicators: How Do They Work?
Students describe characteristics and common uses of acids and bases. They describe the role of natural indicators in the chemistry of acids and bases after testing and making observations on a variety of plant extracts. Students observe...