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Worksheet
Curated OER

Producing and Testing for Gases

For Students 9th - Higher Ed
In this gases activity, students conduct an experiment to produce 2 different gases and use standard tests to identify each gas. This activity has 14 short answer questions.
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Lesson Plan
Curated OER

Activity #19 Oxygen For Yeast

For Teachers 5th - 8th
Students observe and record what occurs when yeast is added to hydrogen peroxide. They indicate why a chemical reaction (decompostion) must have occurred during the experiement. Pupils explain why yeast was used. Students comprehend the...
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Lesson Plan
Curated OER

Enzyme Activity: An Inquiry Based Approach

For Teachers 9th - 11th
Students explore biochemical reactions mediated by enzymes in an inquiry approach. They are given two questions about the types of living materials that contain the enzymes that break down hydrogen peroxide, and under what conditions the...
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Lesson Plan
Curated OER

Reaction Rates and Catalysis in Ethanol Production

For Teachers 5th - 12th
Students investigate alternative catalysts for the degradation of hydrogen peroxide.  In this fermentation lesson students complete an activity that breaks down cellulose into sugar. 
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Lesson Plan
Curated OER

How Can You Tell One Clear Gas From Another?

For Teachers 5th
Fifth graders perform experiments to determine the identity of an unknown gas sample. In this chemistry lesson, 5th graders fill balloons with air, oxygen, hydrogen, and carbon dioxide. They use mass and reactivity to identify the gases.
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Lesson Plan
Curated OER

Organic Matter in Soils

For Teachers 5th - 10th
Pupils recognize the presence of organic matter in soils from their immediate area and recognize which soil sample contains the highest concentration of organic matter.
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Lesson Plan
Curated OER

Magic Genie

For Teachers 7th - 12th
Pupils observe the chemical change that occurs when sodium iodide is dropped into a flask containing 30% hydrogen peroxide. They discuss how this exothermic reaction occurred as they study the chemical equation involved in the reaction.
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Lesson Plan
Curated OER

Cancer Warrior

For Teachers 5th - 12th
Students perform an experiment to determine how different salt concentrations affect the liver's ability to break down toxic hydrogen peroxide. They record and average their data which is then graphed.
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Lesson Plan
Curated OER

It's a Gas!

For Teachers 6th - 8th
Students investigate gases and their properties by completing 4 activities. In this gases lesson plan, students perform activities to show that gases take up space, they diffuse, and that odors and vibrations pass through gases. They...
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Lesson Plan
Virginia Department of Education

The Effects of Heat and Acid on the Enzyme Catalase

For Teachers 9th - 12th Standards
How quickly do enzymatic reactions occur? Assist the class as they examine heat and pH change to determine the rate of chemical reactions using catalase as an enzyme. Watch them "glow" with excitement!
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Lesson Plan
2
2
American Chemical Society

A Catalyst and the Rate of Reaction

For Students 6th - 8th Standards
More than 90 percent of chemical products are made using a catalyst. Lesson demonstrates the way a catalyst changes the rate of reaction without altering the chemical reaction. A catalyst doesn't appear as a reactant or a product, yet it...
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Lesson Plan
2
2
American Chemical Society

Forming a Precipitate

For Students 6th - 8th Standards
Can you mix two liquids to make a solid that is insoluble? Yes, you can, and pupils see this as the lesson uses more than one combination of liquids to form a solid. Through two teacher demonstrations and a hands-on activity, scholars...
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Lesson Plan
Science 4 Inquiry

Enzymes in Action

For Teachers 9th - 12th Standards
Enzymes play a role in almost every function in the human body. Scholars explore three variables related to the use of enzymes. They observe a catalase reaction, experiment with substrates, and examine reactions rates. 
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Lesson Plan
Nuffield Foundation

Microscale Investigations of Catalase Activity in Plant Extracts

For Teachers 9th - Higher Ed
Use indirect measurements to monitor metabolic activity in plant cells. Scholars understand that cells with a higher metabolic rate have a higher concentration of catalase enzyme. They use this information to compare metabolic rates of...
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Lesson Plan
Curated OER

Lead and Mercury Ion Catalase Inhibition

For Teachers 8th - 9th
Students participate in a laboratory investigation in which they observe the effect of temperature and pH on enzyme activity. Students also examine exposure to heavy metal ions and the effect that may have on enzyme activity.
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Lesson Plan
Beyond Benign

Catalysts and Oxygen

For Teachers 9th - 12th Standards
Here is an engaging and hands-on lesson plan that allows high school chemists to demonstrate the effects of a catalyst on various chemicals. They garner knowledge of how reactants and products differ from one another, while analyzing the...
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Lesson Plan
Nuffield Foundation

Investigating Factors Affecting the Breathing Rate of a Locust

For Teachers 9th - 12th Standards
Do animals breathe faster when given more oxygen or more carbon dioxide? Young scientists observe the respiration rates of locusts under a variety of gas concentrations to answer that very question. They collect data, analyze the...
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Lesson Plan
NASA

Making Oxygen and Carbon Dioxide

For Teachers 6th - 12th Standards
Some like it hot! Scholars observe both exothermic and endothermic reactions as part of the carbon dioxide oxygen cycle. First, scientists demonstrate (or watch) a chemical reaction to create pure oxygen using fire for confirmation....
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Lesson Plan
Chymist

Empirical Formula of a Compound

For Students 9th - 12th
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
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Lesson Plan
Curated OER

Organic Chemistry II Review Questions

For Teachers 12th - Higher Ed
In this chemistry worksheet, students determine the order of reactivity toward displacement in each of the series listed. Then they respond to several multiple choice questions as they relate to compounds and solutions. Students also...
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Lesson Plan
Curated OER

Redox Titration of Iron

For Teachers 9th - 12th
High schoolers perform a redox titration of iron. In this iron titration lesson plan, students use potassium permanganate to oxidize iron so they can determine the percentage of iron in a sample of fertilizer.
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Worksheet
Curated OER

Chemistry Midterm Practice Exam

For Students 9th - 12th
A comprehensive practice exam, this resource covers many areas of chemistry. The test includes 71 multiple choice questions on topics such as problem solving, chemical equations, chemical formulas, thermodynamics, acids and bases, and...
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Lesson Plan
LABScI

Enzymes: The Spit Lab

For Students 9th - 12th
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
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Lesson Plan
Curated OER

Enzymes and Catalysts

For Teachers 6th - 8th
Students discuss the functioning of the digestive system and the specific enzymes present. They observe the action of amylase on starch to identify characteristics of enzymes then perform an experiment on the effects of temperature on...

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