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Worksheet
Curated OER

Thermal Decomposition of Calcium Carbonate

For Students 9th - 12th
For this thermal decomposition of calcium carbonate worksheet, students perform three experiments on calcium carbonate, make observations and write the equations for each reaction. Students explain in detail what happened at each step...
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Lesson Plan
Curated OER

Floor Polish Experiments

For Teachers 6th - 8th
Students compare various brands of floor polishes and test their durability and appearance.  In this floor polish lesson students test different polishes and check performance. 
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Lesson Plan
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The Energy Debate - Global Warming

For Teachers 9th - 12th
Learners describe what global warming is, what causes global warming and the impact to our world. They study the threat of global warming and its relationship to the use of fossil fuels.
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Lesson Plan
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The Energy Debate - Stoichiometry

For Teachers 9th - 12th
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
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Lesson Plan
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Bhopal - Runaway Reaction

For Teachers 9th - 12th
Students research and study the disaster of Bhopal to grasp the essential concept of controlling chemical reactions. They explain how the Bhopal disaster might have been prevented based upon their knowledge of factors affecting the rate...
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Lesson Plan
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Activity #4 What Do Equations Mean?

For Teachers 7th - 8th
Students practice with writing and balancing simple chemcial equations. they comprehend that chemical equations are a method of using a set of univeral symbols to represent what happens experimentally in chemical reactions. Pupils...
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Lesson Plan
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Curds and Whey

For Teachers 7th - 9th
In this chemical reaction worksheet, students investigate the reaction that makes curds and whey. They mix milk and vinegar and run it through cheesecloth to collect the solid. Students make observations, read about curds and whey, and...
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Lesson Plan
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Acids and Bases: Their Reactions, Conductivity, Base Indicators and Neutralization Reaction

For Teachers 9th - 10th
Students conduct experiments and collect data to determine physical and chemical characteristics of acids and bases.
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Lesson Plan
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Extraction of Caffeine from Tea Leaves

For Teachers 9th - 12th
Students conduct an experiment in which they extract the greatest number of grams of caffeine from four bags of tea. They conduct Internet research, conduct the experiment, and record their observations and data.
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Lesson Plan
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Analysis of Bleach

For Teachers 9th - 12th
Students analyze and compare laundry bleaches by testing their oxidizing powers. They conduct their lab experiment, compare/contrast their results with other students' work, and complete a worksheet.
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Lesson Plan
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Indicator Sponge A Discrepant Event Demonstration

For Teachers 5th - 8th
Learners explore the use of acid and base pH indicators. The teacher saturates an indicator sponge with congo red solution. Afterwards, the sponge is placed in a blue base solution. Students observe that the blue sponge actually turns...
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Organizer
Curated OER

Types of Rock

For Students 6th - 12th
In this rocks worksheet, students compare and contrast the 3 types of rocks: sedimentary, igneous, and metamorphic. Students complete 1 graphic organizer.
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Worksheet
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Finding the Percent of Iron in Lawnsand

For Students 9th - 12th
In this percent of iron in lawnsand worksheet, students perform a titration of lawnsand using potassium manganate (VII) solution and find the number of moles of iron in the sample. Students use the number of moles to find the mass of...
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Worksheet
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The Effect of Concentration Changes on Equilibrium

For Students 9th - 12th
In this concentration changes and equilibrium worksheet, students experiment with iron (III) ions and thiocyanate ions to observe the effects of concentration on the equilibrium of solutions. Students make observations of their mixtures,...
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Worksheet
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The Reaction Between Magnesium and Hydrochloric Acid

For Students 9th - 12th
In this rate of chemical reactions worksheet, learners experiment with different concentrations and volumes of hydrochloric acid mixed with magnesium. They measure the rates of the reactions and analyze their results from a graph they...
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Lesson Plan
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Polymerization Experiments

For Teachers 1st - 12th
Students study the concepts of polymerization and the function of crosslinkage.  In this polymer lesson plan students complete a lab activity and write down their observations. 
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Lesson Plan
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Making Soap

For Teachers K - 8th
Students explore what chemical indicators are and use pH paper to determine if something is alkaline or basic.  In this pH instructional activity students manufacture their own soap.
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Lesson Plan
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The Physical Behavior of Matter

For Teachers 6th - 12th
Students distinguish between three phases of matter: solid, liquid and gas, on the molecular level. They compare and predict the relative compressibility of the three phases of matter through journal writings and drawings.
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Lesson Plan
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How can we calculate the molecular weight of butane?

For Teachers 9th - 12th
Learners colloborate in a lab experiment. No OBJECTIVES.
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Lesson Plan
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Activit #2 Matter: Is It Conserved?

For Teachers 6th - 8th
Students support the law of conservation of matter with evidence. They discuss the changes observed from the burning of the candle, and the differences in mass which are observed when the same reaction is carried out in an open or...
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Worksheet
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Chemical Elements and Compounds Crossword

For Students 10th - Higher Ed
In this elements learning exercise, students complete a crossword puzzle by figuring out the vocabulary words associated with the 25 clues given.
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Worksheet
Curated OER

Acids, Alkalis and Indicators

For Students 6th - 12th
In this pH instructional activity, students describe acids and alkalis. Kids determine is substances are strongly acidic or alkaline. Students use the color of universal indicator paper to determine the pH of given substances. This...
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Worksheet
Curated OER

Energy Changes in Reactions

For Students 9th - Higher Ed
For this chemical bonds worksheet, students determine how much energy is needed to break bonds. Students classify reactions as exothermic or endothermic and identify a reaction as reversible. This worksheet has 4 problems to solve.
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Organizer
Curated OER

Rates of Reaction: Indigestion Remedies

For Students 9th - 12th
In this reactions worksheet, learners compare the reaction of two different indigestion tablets with dilute hydrochloric acid and plot the results of loss of mass against time. Then students complete 5 short answer questions.

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