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Worksheet
Curated OER

Acids and Bases

For Students 10th - 12th
In this acids and bases worksheet, students summarize the key properties of acids and bases and define pH. Students have 18 problems to solve.
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Lesson Plan
Curated OER

Using Amino Acid Sequences to Show Evolutionary Relationships

For Teachers 10th - 12th
Junior biologists compare the amino acid sequences from fragments of five different globin molecules. They count the letter differences between each species pair. They construct a graphic representation of the evolutionary relationships...
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Lesson Plan
Curated OER

Acid-Base Chemistry

For Teachers 10th - 11th
In this chemistry worksheet, students write the balanced equations when a significant reaction occurs in each. Then they rank each element in increasing order of acid strength. Students also rank the strengths of each of the listed bases.
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Worksheet
Curated OER

Aqueous Acids and Bases - Titration

For Students 10th - 12th
In this titration worksheet, students determine the moles of product plus the molarity of the solution created. This worksheet has 6 problems to solve.
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Worksheet
Curated OER

Acid and Base Worksheet

For Students 10th - Higher Ed
In this acids and bases worksheet, students apply the Bronsted-Lowry theory of acids and bases to write the products for the given acid-base reactions. This worksheet has 7 problems to solve.
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Lesson Plan
Curated OER

Acids and Bases - Vinegar II

For Teachers 8th
Eighth graders experiment what happens when acids and bases are mixed together. In this acids and bases experimental activity, 8th graders decide which of three solutions of unknown pH will neutralize a fourth solution of unknown pH.  
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Lesson Plan
Curated OER

Acid and Base Testing

For Teachers 5th - 8th
Students study descriptions of indicators and the way they are used to identify acids and bases. They use this information to determine if unknown solutions are acids or bases.
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Worksheet
Curated OER

WS 10.9 Ka/Kb

For Students 10th - 12th
In this weak acid and base learning exercise, learners find the pH of solutions given the equilibrium constants for each of the weak acids and weak bases.
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Lesson Plan
Curated OER

Invisible Paint

For Teachers K - 3rd
Students explore acids and bases. In this acid or base science lesson, students test different items to see if they are a base or a acid. Students then perform an experiment using paint and juice and baking soda.
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Lesson Plan
Curated OER

Cleaning of Metal

For Teachers 9th - 10th
Students clean pennies and determine why one substance cleans better. In this lesson about acids and bases, students experiment how to clean a penny. Students use four different solutions to clean their pennies. Students will also test...
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Lesson Plan
Curated OER

Photosynethsis....How do we know it's really happening? - Biology Teaching Thesis

For Teachers 9th - 12th
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...
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Lesson Plan
Curated OER

Auxin: Indole-3-Acetic Acid

For Teachers 9th - 12th
Learners identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.
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Worksheet
Curated OER

Equilibrium and Acid/Base Equilibrium

For Students Higher Ed
For this acid/base and equilibrium worksheet, students solve seven problems including calculating equilibrium concentrations of all species in a reaction, calculating the pH of solutions, determining the direction of a reaction at...
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Worksheet
Curated OER

Organic Chemistry Problem Set Exam 1

For Students 11th - Higher Ed
Though there are technically only 13 questions on this exam, they take up six pages and make a thorough assessment of organic chemistry principles. There are plenty of diagrams to label or complete. Emission spectra are displayed for...
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Activity
Exploratorium

Secret Codon - Write a Message in DNA

For Teachers 6th - 12th
String up a message. Pupils string together colored beads to code a word or short phrase. Each color represents one of the four DNA bases. Using a combination of three bases, learners create an amino acid that stand for each letter of...
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Worksheet
Curated OER

Writing Acid and Base Equilibrium Constants

For Students 10th - Higher Ed
For this acid and base worksheet, students calculate the equilibrium constant for weak acids and weak bases. This worksheet has 10 problems to solve.
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Organizer
Curated OER

Chemistry: pH and pOH Calculations

For Students 9th - Higher Ed
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...
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Worksheet
Curated OER

BrainPop-Acids and Bases

For Students 8th - 9th
In this acids and bases worksheet, learners use a word bank to complete 33 fill in the blank questions about the Acids and Bases movie found on the website www.brainpop.com
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Worksheet
Curated OER

Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds

For Students 9th - 12th
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
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Worksheet
Curated OER

Acids and Bases

For Students 10th - 12th
In this acids and bases worksheet, students explain the 6 properties of acids and bases and compare the Arrhenius and Bronsted-Lowry definitions of acids and bases. This worksheet has 16 problems to solve.
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Lesson Plan
Curated OER

How can pH be used to determine possible product tampering?

For Teachers 6th - 8th
Students investigate the strength of acids and bases experimentally. They answer the question, "How can pH be used to determine possible product tampering?" by testing acids and bases with litmus paper.
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Worksheet
Curated OER

Calculating pH

For Students 10th - 12th
In this pH worksheet, students 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.
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Lesson Plan
Curated OER

Not So Neutral Views

For Teachers 4th - 6th
Students explore ways to use indicators to distinguish between acids and bases. They conduct an experiment to model and discuss the harmful effect of acid rain in our living and non-living environment.
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Lesson Plan
Curated OER

Chemistry in Foods

For Teachers 7th - 9th
Students investigate foods that are indicators, and acids and bases. For this food chemistry lesson plan, students test household products with litmus paper and with food indicators. They use blackberry, onion and red cabbage indicators...

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