Curated OER
Vocabulary - Acids and Bases
In this acids and bases activity, students write in the definitions for 20 terms associated with acids and bases, including buffer, pH, and equilibrium.
Curated OER
Off Base
Students study La Chatelier's principle and identify how carbon dioxide may affect pH. In this coral lesson students complete a worksheet on pH and observe a lab.
Curated OER
Solutions
In this solutions worksheet, students determine the pH or molar solubility of different solutions. Students state is the mixture given forms a buffer. This worksheet has 20 problems to solve.
Curated OER
Acid Base
In this acid and base instructional activity, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This instructional activity has 16 multiple choice questions and 3...
Curated OER
Chemical Reactions
In this chemical reactions worksheet, learners determine if solutions are acidic, basic, or neutral. Students give reactions' molecular equations and ionic equations. This worksheet has 14 problems to solve.
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. Students test the pH level of many water samples.
Curated OER
Information Technology
Students identify various threats to computers today. In this technology lesson, students explore various techniques to address security issues. They demonstrate what they have learned using classroom computers.
Curated OER
Biology Midterm Review
In this biology worksheet, 9th graders identify and locate various vocabulary terms pertaining to the study of biology. There are 50 biology terms located in the word search.
Curated OER
Measuring the pH Value of Water
Students test the pH level of a water sample by using a Colorimetric test. They explain the impact of pH levels on water and aquatic life.
California State University
Cal State Dominguez Hills/buffers Properties Problems
Sample problems involving properties of buffers.
Other
Washington University: P H Buffers in the Blood
This site from the Department of Chemistry at the Washington University is an excellent site on how buffers are used in the human body and how they react to exercise.
CK-12 Foundation
Ck 12: Salt Solutions
[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...
Georgia Department of Education
Ga Virtual Learning: Ap Chemistry: Acid Base and Solution Equilibrium
Through a variety of activities, students learn that not all acid and base reactions go to completion, and instead, they establish equilibrium. Acid-base equilibrium expressions have their own constants, ka and kb. Students will perform...
Wyzant
Wyzant: Acids and Bases
This site presents everything you need to know about acids and bases and more! Gives a nice description on what acids and bases are, properties of both, strong and weak acids and bases, an overview of pH, and much more.
Frostburg State University
General Chemistry Online: Faq: Acids and Bases
Click the basic questions regarding acids, bases, and pH to view the answers. There are sections on basic concepts, buffer solutions, pH calculation, equilibrium constants, indicators, neutralization reactions, and titrations.
Texas Instruments
Texas Instruments: What Does a Buffer Do?
Buffers are solutions that resist a change in pH. In this activity, students will add HCl dropwise to a measured amount of water, monitoring the pH. Students then repeat the process, using a simple buffer prepared by combining baking...
US Environmental Protection Agency
Epa: Soil Buffering Experiment
Use this site to explore the experimentation process of "Soil buffering."
US Environmental Protection Agency
Epa: Observing Buffers in Lakes, Ponds, and Streams
Explore buffers in lakes, ponds, and streams. "In this experiment, you will observe the effects of limestone on the acidity of water."
Khan Academy
Khan Academy: Test Prep: Mcat: Chemical Processes: Chemistry of Buffers and Buffers in Our Blood
Explains what a buffer is, how it is prepared, how it works to resist drastic changes in pH, and the characteristics of an effective buffer. Human blood also contains a buffer which is crucial for maintaining the blood's pH.