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One in a Million
Students participate in an experiment to demonstrate how a substance can have different concentrations in a solution. Students record observations on a dilution chart and determine the concentations of various parts per million.
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Parts Per Million
Students perform serial dilution of food coloring experiment with partner, examine concentration levels, and differentiate parts per million (PPM) and parts per billion (PPB). Students complete pre-lab and post-lab questions and data table.
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Acids and Bases Worksheet
In this acids and bases worksheet, 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 worksheet has 16...
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The Solution to Pollution is Dilution
Young scholars consider what happens to herbicides or insecticides that are used in agricultural practices, especially herbicides that are used to control noxious weeds. They become acquaint with a chemical assessment method known as...
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A Solution for Moles
Pupils calculate the concentration of different solutions. In this chemistry lesson plan, students explain what a solution is. They explain ways to change the concentration of a solution.
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Acids and Bases
In this acids and bases worksheet, students answer 18 questions about acids, bases, titrations, pH of solutions and the ions that make solutions acidic or basic.
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Volumetric Analysis / Titration
Titration, and the lab skills that are needed to support it, is detailed here, with the reasoning behind standard solutions, concentration and volumetric analysis covered. Your young lab assistants will learn the skills of determining...
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Solubility
In this solubility worksheet, students calculate the final concentrations of the ions involved in a chemical mixture. Students calculate the solubility of different compounds. This worksheet has 13 problems to solve.
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Harmful Effects of Acid Rain
Seventh graders are able to demonstrate the harmful effects of an acidic solution. They become aware of the harmful effects of acid rain. Students make predictions before they began the experiment. If vingegar contains acid, then how...
Creative Chemistry
The Chemical Detective
In this chemical detectives worksheet, students perform six tests on various unknown solutions, including a test for chloride ions, sulphate ions, carbonate ions, iron (III) ions, iron (II) ions, and copper (II) ions. Students record...
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Stoichiometry
In this stoichiometry learning exercise, learners review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This learning exercise has 18 word problems.
Creative Chemistry
Rates of Reaction: Indigestion Remedies
In this reactions learning exercise, high schoolers compare the reaction of two different indigestion tablets with dilute hydrochloric acid and plot the mass loss results against time. Then, they complete five short answer questions.
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Getting Down to Basics (and Acidics)
Seventh graders investigate acids and bases. In this acids and bases lesson, 7th graders use household items such as coffee, lemons and soap to define acids and bases. They observe a demonstration to show how indicators determine if a...
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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.
Creative Chemistry
Balancing Redox Reactions
In this redox reaction worksheet, high schoolers perform a redox titration to determine the number of iodide ions that react with each mole of iodate (V) ions in a solution. They calculate their answer using a given equation.
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Complex Equilibria Quiz
In this equilibrium worksheet, students answer 8 multiple choice questions but need to solve the problems in order to determine the answers. They include determining the concentrations of ions as well as the pH of solutions.
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Cell Size and Division or How Big Would You Want To Be if You Were a Cell?
Students investigate why cells divide. In this cell size lesson plan, students observe how far a solution travels into 3 different size model cells of agar. They answer questions about the most effect movement of "nutrients" into the...
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Diffusion
Learners investigate diffusion using different solutions of chemicals placed in agar dishes. In this diffusion lesson plan, students observe 3 demonstrations of diffusion using perfume, food coloring in water and sugar cubes in water....
Creative Chemistry
Finding the Percent of Iron in Lawnsand
For this percent of iron in lawnsand worksheet, learners perform a titration of lawnsand using potassium manganate(VII) solution and determine the number of moles of iron in the sample. Students use the number of moles to find the mass...
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Concentration vs. Solubility
Students investigate the concentrations of solutions and solubility. For this concentrations and solubility lesson plan, students compare solutions of talcum powder in water and salt in water to have a visual of solubility. They perform...
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Infectious Disease Detectives
Students participate in a simulation of how diseases are transmitted. Each student holds a test tube, with only one containing the "disease" while the others have water. They move around the room until told to stop. Using droppers to...
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Acidity of Foods
High schoolers investigate the acidity of foods using titration. For this acidity of foods lesson plan, students find the acid concentration of 4 fruit juices by titrating them each with sodium hydroxide and an indicator to find the end...
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Protein Assays: Bio Rad and Page Gels
Students conduct the Biuret Test and the Bio Rad Protein Assay. They examine the spectrophotometer and graph molecular weights and the concentrations of the proteins investigated. They prepare solutions for the Bio-Rad test and use the...
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Acids and Bases
In this acid and base worksheet, students solve five problems using the volume and molarity of solutions in order to find the concentration of the acid or base in each given problem.