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
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
Buffers
In this buffers worksheet, students determine which conjugate pairs would be appropriate to preparing a buffer at a specific pH. This worksheet has 6 problems to solve.
Curated OER
Acids and Bases
In this acid and base worksheet, students solve 11 problems including calculating pH of solutions, describing buffers, calculating solubilities of solutions and identifying acid-base pairs.
Curated OER
Acids and Bases Worksheet
In this acids and bases instructional activity, 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...
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
Acid Base
For this acid and base worksheet, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This worksheet has 16 multiple choice questions and 3 problems to solve.
Curated OER
Acid Rain Lesson Plan Activity 2 - Understanding the Difference Between an Acid And a Base
Learners 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
Observing Buffers In Lakes, Ponds And Streams
Young scholars observe the effects of limestone on the acidity of water. Some areas of the nation have a lot of limestone in lake bottoms and in soil, which helps neutralize the effects of acid rain. Students see this effect first hand.
Curated OER
Determination of Water Hardness
Students investigate water hardness. In this water hardness lesson plan, students determine the water hardness in 4 samples of water after buffering each. By using titration and an indicator, students can determine the amount of calcium...
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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
Acid Rain: Where Have All the Rainbows Gone?
Students study the pH scale and sources of acid precipitation. In this acid rain lesson students complete a lab on acid rain then complete a handout.
Curated OER
Acid Stomach
Young scholars develop an understanding of how aspirin works and how understanding it's interaction with other chemicals in the body aided doctors in medical research. They complete a lab that compares the reaction of regular aspirin...
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
Acid-base Homework Problem Set 2
In this acid-base reaction worksheet, students calculate the ion concentration and pH for 6 solutions, graph titration results for 11 reactions and use Henderson-Hasselbach equations for three problems.
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Fluids, Electrolytes, and Acid-Base Balance Study Questions
In this fluids, electrolytes, and acid-bas balance system study questions, young scholars define 12 words associated with this system. They answer 12 short answer questions about the components of the acid-balance system.
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.
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...
Kenan Fellows
Qualitative Kinetics: Examining the Effect of an Enzyme on a Reaction
Scholars learn about kinetics and buffers as they use qualitative and quantitative methods to understand enzyme rates and buffer capacity. The application of Beer's Law and spectrophotometry solidifies pupils' knowledge in the first of...
Curated OER
DNA Extraction
Students discover the basic structure of DNA and its function in living organisms by conducting an experiment in which they extract DNA from bananas using a lysis buffer solution.
Curated OER
Why Muscle Biology?
Students research and define a muscle biology research question and organize an experiment to address the question utilizing either NADH staining or acid buffering. They analyze data as well as draw conclusions about their research....
NOAA
Off Base
How does carbon dioxide affect the world's oceans? The final installment in a series of six lessons has pupils research ocean acidification, then conduct an experiment to witness the delicate balance that exists in our seas. Materials...
Curated OER
DNA Extraction
Learners participate in a lab activity in which they extract DNA from a strawberry. After mashing the strawberry into an even, smooth puree inside a bag, they add extraction buffer and mix the strawberry with the buffer. They filter...
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.