Curated OER
Classifying Chemicals
In this acids and bases worksheet, students identify the strengths of acids and bases and indicate the concentration of hydronium and hydroxide ions. They determine if given chemical formulas are acids or bases, they find...
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Water Equilibria
In this water equilibria worksheet, students calculate the pH of solutions, they fill in a table with the type of acid or base given a compound and it's concentration and they calculate approximate solubilities for salts.
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Cabbage Juice Lab
In this acid and base worksheet, students use cabbage juice as an indicator to test the pH of various solutions. Students complete a table with the solution name, the color red and blue litmus paper turns, the color the cabbage juice...
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Physical and Chemical Properties
In this properties worksheet, middle schoolers will label 9 examples of either physical or chemical properties. Students will complete 2 short answer questions about physical properties and the differences between chemical and physical...
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Practice Exam III
In this chemistry practice exam worksheet, students solve ten multiple choice questions about equilibrium, acids, bases and reactions. Students then solve four problems about equilibrium and chemical reactions of acids and bases.
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DNA Cut and Paste Activity
Here is a cut and paste activity worksheet designed for older students. They fill in the blank with information about the composition of DNA, then create a DNA strand with its complimentary nucleotide chain.
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WS 10.8 Acid-Base Neutralization and Titration
In this acid and base worksheet, students write balanced equations for neutralization reactions, they calculate volumes of acids and bases needed to titrate solutions and they determine molarities of solutions.
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WS 10.10 Salts and Buffers
In 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.
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Chapter 15 Review/Acid-Base Titration and pH
Chemistry stars calculate ion concentrations, pOH, or pH in different solutions. For questions in the latter half of the worksheet, they also have to explain why a solution is acidic, basic, or neutral and solve for molarity of a solute....
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2003 U.S. National Chemistry Olympiad Part III
In this chemistry Olympiad worksheet, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.
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Cell Respiration Worksheet
Beginning biologists demonstrate their grasp on cellular respiration, photosynthesis, and energy flow though ecosystems when completing this worksheet. Fifteen multiple choice and short answer questions test their knowledge. Because of...
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DNA Coloring - Transcription and Translation
In this DNA worksheet, pupils review the transcription and translation processes. Students label and color the different parts of a DNA strand. This worksheet has 7 fill in the blank questions.
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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.
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pH Study Guide
In this pH instructional activity, students are given a list characteristics and they determine if they belong to acids and bases. They draw a pH scale and identify acidic, basic and neutral numbers and they answer 11 questions about pH,...
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2003 US National Olympiad Exam Local Section
In this National Olympiad Exam activity, students answer sixty multiple choice questions including topics such as atomic structure, problem solving, thermodynamics, acids and bases and solutions.
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Weak Acid Base Equilibria Problems
For this acid and base worksheet, students calculate the concentration and pH of solutions. This worksheet has 7 problems to solve.
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Nucleic Acid
For this chromosome worksheet students complete a crossword puzzle by answering questions on DNA, nucleic acids, nucleotides and RNA.
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DNA and RNA Exercise
In this biology worksheet, students work to define the nucleic acids of RNA and DNA. They answer the questions that focus upon the two concepts.
Creative Chemistry
pH Curves and Indicators
Glimpse how pH changes during an acid-base titration by examining graphs. It contains graphs of pH changes and a chart summarizing what indicator to choose for different changes. This is not truly a worksheet, but a handy handout...
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Volumetric Analysis 3-To Determine the Relative Molecular Mass of a Soluble Base
In this volumetric analysis worksheet, students determine the relative molecular mass of an unknown group 1 carbonate by experimenting with a known amount of hydrochloric acid. Students use volumetric analysis to determine the moles of...
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Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Kids name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
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Acid-base Indicators
There is a chart to complete with results of the titrations for the 14 different pH indicators. There are also nine questions for data analysis, and then four problems requiring equations, molarities, and pH values.
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Genetic Challenge Worksheet
In this genetics activity, students describe how to tell the difference between DNA, RNA, and proteins. Students also learn about the processes of transcription and translation. This activity has 3 short answer and 3 fill in the blank...
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RNA and Gene Expression
In this RNA and gene expression worksheet, students match the letter of the description that best matches the term as it relates to gene expression. Students also answer questions as it relates to the process of transcription and...