Curated OER
Kinetics Reactions: The Effect of a Catalyst
Students investigate the effects of a catalyst on an oxidation reaction. In this catalyst lesson plan, students use a catalyst, cobalt chloride for the oxidation reaction of potassium sodium tartrate with hydrogen peroxide. Students...
Curated OER
Catalysts and Enzymes
Biochemists experiment with the oxothermic decomposition of hydrogen dioxide by adding manganese dioxide. They observe how pepsin enhances the action of acid on the digestion of egg white proteins. They use yeast to make bread rise. All...
Curated OER
Rate Determining Step and Catalysts
Students investigate the rate determining step in a chemical reaction and how catalysts effect reactions. In this rate determining step and catalyst lesson, students work in groups to perform 5 tasks. They rotate each task and time how...
Curated OER
Rate Determining Step and Catalyst Activity
Students work in groups to stuff as many envelopes as they can in 3-5 minutes. They use an assembly line method. Envelope stuffing is compared to a chemical reactions. The idea of catalyst is considered, and students determine a way to...
Curated OER
Ester Lab
Students investigate making esters in the lab. In this ester lesson plan, students mix 3 organic acids with 3 alcohols and a catalyst to form 3 different esters. Students identify the odors of each ester and write the formulas for the...
Cornell University
Discovering Enzymes
Explore the function of enzymes through a series of lab investigations. Learners use household enzymes such as hydrogen peroxide to model the role of enzymes. The enzymes break down proteins with and without a catalyst.
Curated OER
Science as a Catalyst for Life-Long Learning
Students determine the minimal inhibitory concentration and the minimal fungicidal concentration of two types of drugs used to combat fungal infection. They use several different types of in vitro techniques which are performed in the...
Curated OER
Addition Polymerization: Preparation of Polystyrene Using Two Types of Initiators
Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...
Curated OER
Activity #19 Oxygen For Yeast
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...
Curated OER
Activity #6 How Fast Do Reactions Go?
Students name the factors (concentration, temperature, and a catalyst) which can affect the rate of a chemical reaction. They use their knowledge of particle theory to explain their observations. Pupils comprehend that the...
Curated OER
Enzymes
Students explore enzymes and what can inhibit and act as a catalyst for them. In this enzymes lesson students complete experiments on enzyme properties.
Curated OER
Enzymes and Catalysts
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...
Curated OER
Lab: Percent of Composition of KClO3
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
Curated OER
Haber's Process- A Computer Simulation
Students use an on line simulation to produce ammonia using Haber's process. In this Haber's process lesson plan, students use a spreadsheet to manipulate the pressure, temperature and catalysts used in the production of ammonia. Their...
Curated OER
Periodic Table of the Elements: Transition Metals
High schoolers conduct an exothermic reaction to investigate the properties of a transition metal. In this periodic table lesson, students identify the transition elements and discuss their properties after watching a video. They conduct...
Media Smarts
You Be the Editor
Look at different case studies to discuss the ethics of journalism. Twelve real-life events are written up and your learners get to be the editors. Encourage your class to think about the implications of publishing decisions. After each...
Curated OER
Enzyme Lab
Students investigate the enzyme catalase. In this enzyme lesson plan, students observe a normal catalase reaction, they observe liver tissue, potato, chicken and apple for the enzyme catalase and they study the effects of temperature and...
Curated OER
Enzymes
Tenth graders test their saliva for enzyme activity. In this enzyme activity, 10th graders conduct an experiment to test the enzymatic activity of their saliva. They relate the lack of certain digestive enzymes with alcoholism.
Curated OER
Bhopal - Rate of Reaction
Students determine that the rate of reaction is affected by temperature, surface area, concentration of reagent, and addition of a catalyst or inhibitor. They observe that on December 3rd, 1984, 8000 people died when the chemical plant...
Cornell University
Build a Fuel Cell
Discover the connection between redox reactions and fuel cells. Collaborative groups build a Hoffmann Apparatus that demonstrates the electrolysis of water and then convert their models into a fuel cell. They use their fuel cells to...
Curated OER
Magic Genie
Students 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.
Curated OER
Enzymes in Action
Students explore how enzymes are important in the chemical reactions of all living things. In this enzymes and catalysts lesson students complete an activity to see how enzymes change living things.
Curated OER
Reaction Rates and Catalysis in Ethanol Production
Students investigate alternative catalysts for the degradation of hydrogen peroxide. In this fermentation lesson plan students complete an activity that breaks down cellulose into sugar.
Curated OER
Out & About: Waterways
Students visit science museums. For this hands-on science lesson, students visit the Leith Conservation Trust, Catalyst, and the River and Rowing Museum in person or online to study Britain's waterways.
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