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Lesson Plan
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Identification of Gram Negative Bacilli—Oxidase

For Teachers 10th - 12th
In this biology worksheet, students identify the different types of reagents being used with the samples as part of an extensive lab experiment.
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Lesson Plan
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Language Arts

For Teachers 5th
In this literacy worksheet, 5th graders practice putting the sentences into the proper grammar structure, using the correct punctuation, and finding the definitions in the dictionary.
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Lesson Plan
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Photo Boxes

For Teachers 3rd - 6th
In this artistic worksheet, students experience decorating a shoe box with old magazines, calendars and glue to keep their photos in or to make as a gift for someone else.
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Worksheet
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Acid-base Indicators

For Students 8th - 12th
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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Lesson Plan
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How Do Plants and Animals Change the Environment Around Them?

For Teachers 7th - 12th
If you have elodea and snails in your classroom aquarium, or if you have access to a pond with these organisms, your young biologists can set up a controlled experiment to determine how certain ecosystems respond in light and dark...
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Worksheet
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The Chemicals of Living Cells

For Students 9th - 12th
Designed to be a study guide or self assessment for high school biologists, the learning exercise has good questions about cell chemistry, but would need to be reformatted if you want your kids to write their answers on the paper. There...
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Worksheet
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A Simple Thermoetric Titration

For Students 9th - 12th
In this thermometric titration worksheet, students investigate the changes in temperature when an alkali is neutralized by an acid. Students graph their results from the titration and draw 2 best fit lines on their graph. Where the lines...
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Worksheet
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Qualitative Analysis

For Students 9th - 12th
In this qualitative analysis worksheet, learners read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
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Worksheet
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The Chemical Detective

For Students 9th - 12th
In this chemical detectives worksheet, students perform 6 tests on various unknown solutions including a test for chloride ion, sulphate ions, carbonate ions, iron (III) ions, iron (II) ions and copper (II) ions. Students record their...
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Worksheet
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Chemical Reactions

For Students 10th - Higher Ed
In this chemical reactions worksheet, learners write chemical equations and calculate the moles of each product. This worksheet has 4 word problems.
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Worksheet
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Radiochemistry

For Students 9th - 12th
In this radiochemistry instructional activity, students read about how scientists learn more about elements using radioactive isotopes. Students answer three critical thinking questions about the reading and radiochemistry.
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Worksheet
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Some Halogen Chemistry

For Students 9th - 12th
In this halogen chemistry worksheet, students complete a practical to gain experience making observations of inorganic halogens and their salts. Students make observations of changes that take place in each chemical reaction and they...
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Worksheet
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Volumetric Analysis 3-To Determine the Relative Molecular Mass of a Soluble Base

For Students 9th - 12th
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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Worksheet
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Reactions of Metals with Water, Acid and Air

For Students 9th - 12th
In this chemical reactions worksheet, high schoolers experiment with reactions between 4 different metals with water, acid and air. Students make observations of copper, iron, zinc and magnesium with water, acid and air. They write an...
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Worksheet
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Volumetric Analysis 2- To Standardize Hydrochloric Acid

For Students 9th - 12th
In this volumetric analysis learning exercise, students use a standard solution they made of sodium carbonate to find the concentration of a hydrochloric acid solution by titration. Students calculate the number of moles of sodium...
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Worksheet
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Elements Compounds and Mixtures

For Students 6th - 8th
In this science worksheet, students apply science basic knowledge of chemistry to the puzzles that are listed for the four parts of the sheet while focusing upon the identification of a metalloid.
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Worksheet
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The Caspian Sea

For Students 7th - 10th
In this comprehension and geography activity, students read an article about the Caspian Sea, identifying where it is located and what countries surround it. Then they describe three parts of the sea, what are tributaries, and how many...
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Worksheet
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Protein Coagulation or Denaturation

For Students 9th - Higher Ed
In this proteins worksheet, students compare the coagulation of egg whites and milk proteins and then complete 5 short answer questions. A protein coagulation quiz is also included with 5 multiple choice questions.
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Worksheet
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Complex Equilibria Quiz

For Students 10th - Higher Ed
In this equilibrium instructional activity, 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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Worksheet
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Equilibrium Practice Problems

For Students Higher Ed
In this equilibrium worksheet, students answer thirty multiple choice problems including topics such as pH, analyzing titration curves, calculating molar concentrations and working with equilibrium constants.
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Worksheet
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Kinetics Practice I key

For Students 10th - Higher Ed
In this kinetics worksheet, learners solve six problems mostly about reaction rates. Included is a problem where students calculate reaction rates of sucrose and water and plot the data of the reaction.
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Worksheet
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Rate Laws Quiz

For Students 10th - Higher Ed
In this rate laws worksheet, students solve four problems. They determine rates of reactions, they determine which rate laws is used, they determine the overall reaction order and they identify the rate of appearance and disappearance of...
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Worksheet
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WS 10.10 Salts and Buffers

For Students 10th - 12th
In this salts and buffers instructional activity, 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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Worksheet
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Acids/Bases and Buffers

For Students 10th - 12th
In this acids, bases and buffers activity, 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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