Curated OER
The Three Types of RNA
In this biology worksheet, students identify and describe the three types of RNA, messenger, transfer, and ribosomal RNA. Then they write the key features of molecules of RNA for each form.
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DNA and RNA Exercises
In this protein synthesis worksheet, students answer 14 short answer questions about the process of making proteins from DNA.
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Acid, Base, or Salt?
In this acids and bases worksheet, high schoolers read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an acid, base,...
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Chapter 22 - 25 Review
In this chemistry review learning exercise, students explore their knowledge of solutions, acid and bases, nuclear reactions, and radioactive decay as they answer 33 matching, fill in the blank, and short answer questions.
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Neutralization Reactions
In this neutralization reaction instructional activity, students read about how neutralization reactions are double replacement reactions in water. They complete five questions about neutralization reactions including completing five...
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Acid Base Neutralization
In this neutralization worksheet, students determine the concentration of solution if neutralized by a certain amount of another solution. This worksheet has 7 problems to solve.
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium hydroxide...
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How DNA Controls the Workings of the Cell
In this DNA learning exercise, students compare the DNA sequence of a human and a cow to complete 4 fill in the blank questions and 4 short answer questions.
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How HIV Infects Cells
In this how HIV infects cells instructional activity, students read the given information about how HIV infects cells. Students explain the role of various structures in HIV infection. Students design a drug that might slow the rate of...
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Acid Base Equilibria
In this acid and base worksheet, students classify compounds as acids or bases and write down its equation. Students calculate pH of chemical compounds. This worksheet has 14 problems to solve.
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Acid-Base Equilibria
In this acids and bases worksheet, students calculate the equilibrium concentrations for acidic solutions. This worksheet has 5 problems to solve.
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pH and pOH Calculations
In this acids and bases worksheet, students calculate the pH or pOH of given amounts of different chemical compounds. This worksheet has 13 problems to solve.
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pH of Solutions
In this pH worksheet, students describe the pH scale and explain the initials "pH." Students classify solutions as acidic, neutral, or basic. Students name compounds as acids or bases. This worksheet has 3 short answer questions and 5...
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Balancing Redox Reactions
In this redox reactions worksheet, students balance six acidic solution reactions and six basic solution reactions. Oxidation and reduction numbers are given.
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Acid Base
In 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.
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Acid Base Neutralization Problems
In this acid base worksheet, students calculate the concentration of solutions as products of acid and base reactions. This worksheet has 9 problems to solve.
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Acid-Base Indicators
The first two pages provide a chart to complete with results of a lab test using different solutions and indicators. The data analysis questions will help your students understand the concentrations of the solutions and how they affect...
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Organic Chemistry II
In this chemistry worksheet, students write the structures for the compounds illustrated on the sheet. Then they name the compounds whose structures are illustrated in part two. Students also fill in the blanks to complete the paragraph...
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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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Acids and Alkalis
In this acid and base instructional activity, 5th graders study the effects of acids and alkalis. Students then respond to 4 fill in the blank questions about the material that is presented at the top of the page.
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Thermometric Titration Involving Dataloggers
In this thermometric titration activity, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as they titrate. The equivalence point is found by...
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Protein Synthesis
For this protein synthesis worksheet, learners use a given strand of DNA to write the complimentary base pairs. They transcribe the message to the RNA and then they translate the message into the proper amino acids using the codons on...
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Protein Synthesis
In this protein synthesis worksheet, students identify the proper amino acids given the mRNA codons. They also identify the mRNA codon given the DNA code and the amino acid it codes for. Students answer questions about protein synthesis.
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Secret Pseudo-Protein Code
In this protein code worksheet, students are given a table of "Secret Pseudo-Protein Codes". They use the table to decode a DNA sequence and then encode an RNA sequence. They answer questions about the Secret Pseudo-Protein code.