Biology Junction
Water, Solutions, pH, and Buffers
What common chemical includes safety warnings for being harmful if swallowed or inhaled, causes serious eye damage, and needs to be cleaned up immediately if spilled on the floor? Surprisingly, the dangerous chemical turns out to be...
Chemistry Collective
Virtual Lab: Creating a Buffer Solution
Buffers don't just magically appear in the stockroom when you need them! Give learners a crash course in buffer basics using an interactive lab assignment. Individuals are tasked with creating a buffer with a certain pH that will react...
Kenan Fellows
Absorbance Curves: Using Spectrophotometers to Quantize the Effects of a Strong Acid on a Buffer
The Henderson-Hasselbalch equation combined logarithmic terms with the application of carbonic acid as a buffer solution. Scholars learn investigate equation and its applications through hands-on experiments. They collect data and...
LABScI
Acids and Bases: Cabbage Juice pH Indicator
Explore the range of pH using an assortment of household liquids. Scholars create their own pH indicators from cabbage and determine the pH of several liquids. To further their exploration, individuals use the same liquids to create...
Curated OER
Investigating Buffers
Students investigate buffers and their behaviors when used with acids and bases. In this buffers lesson plan, students use a pH meter and create buffered acidic and basic solutions. To each of the buffered solutions students add strong...
Curated OER
Teaching about the Effect of pH on Aquatic Organisms
Students perform experiments to determine the PH, acidity, and buffering qualities of a lake that make them sensitive to acid deposition.
Curated OER
pH Basics
At some point, all science learners experiment with pH. In this brief lesson, they simply use pH strips or a meter to find the pH of six different solutions. A useful worksheet that displays a data chart is included for your middle...
Curated OER
Buffers
In this buffers worksheet, students calculate the pH of buffer solutions and compare the pH after solutions are added together. This worksheet has 6 problems to solve.
Curated OER
The Action of A Buffer Solution
In this buffer solution activity, high schoolers experiment with the addition of different solutions to a buffer solution and observe the changes in pH using a pH probe. Students describe the differences among the addition of pure water...
Curated OER
WS 10.10 Salts and Buffers
For this salts and buffers worksheet, students answer five questions about the acids and bases that form salts as well as the equations for a buffer system.
Curated OER
Towers of the Lost City
Middle school marine scientists compare the pH change in distilled and saltwater as acetic acid is added one drop at a time. Then they compare the pH change in both when sodium hydroxide is added. This experiment demonstrates the...
Curated OER
Buffers
For this chemistry worksheet, learners calculate the pH, moles and pH of buffering solutions to complete 6 problems. They determine the volume of solution needed to prepare a certain buffer.
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. Learners test the pH level of many water samples.
Curated OER
Acids/Bases and Buffers
In this acids, bases and buffers worksheet, students define terms, solve problems such as calculating the pH of solutions and the molarity of solutions and they write balanced equations of neutralization reactions.
Curated OER
Acids, Bases, and Buffers
In this acids and bases worksheet, students test the pH of different solutions to determine if it is basic or acidic. Students complete 7 short answer questions based on their results.
Curated OER
Buffers
For this buffers worksheet, students identify the systems that could function as a buffer solution. Students determine the pH of a solution and the pH of the buffer. This worksheet has 6 problems to solve.
Curated OER
Calculating pH
In this pH worksheet, learners are given information and directions as to how to calculate the pH of solutions. They use their calculators to find the pH of given solutions and apply what they learned about identifying acids and bases.
Curated OER
Chemistry 115 Practice Exam 3
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
Curated OER
Buffers
In this buffers learning exercise, students determine which conjugate pairs would be appropriate to preparing a buffer at a specific pH. This learning exercise has 6 problems to solve.
Curated OER
Soil Buffering
Students observe the pH change of an acid mixture poured over soil in a filter. Since the buffering capability of soils differs, you may want to do this experiment with several different soil types.
Curated OER
Off Base
Learners explain the Chatelier's Principle. In this pH lesson plan, students identify factors that resist changes in pH of the ocean and why the ocean is becoming more acidic.
Curated OER
Chemistry Quiz 3-Acids and Bases
In this acid and base activity, students solve eight multiple choice questions including determining the pH of solutions, finding equilibrium concentrations and answering questions about buffers.
Curated OER
Acids and Bases Worksheet
In this acid and base activity, students solve three problems. They calculate pH and equilibrium concentrations, they determine what is needed to prepare a proper buffer solution and they answer questions about a titration.
Curated OER
Acids and Bases Spring Worksheet
In this acids and bases worksheet, students answer 20 questions about acids, bases, neutralization reactions, buffers and molar solutions.