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Lab Resource
Pingry School

Kinetics of the Acid Decomposition of Thiosulfate

For Students 9th - 12th Standards
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
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Worksheet
Curated OER

Kinetics Homework Problem Set

For Students 10th - 11th
In this chemistry worksheet, learners determine the reaction rate as specified for each in seconds. Then they determine the activation energy for the reaction and preexponential factor as stated. Students also determine the concentration...
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Worksheet
Curated OER

The Reaction Between Magnesium and Hydrochloric Acid

For Students 9th - 12th
In this rate of chemical reactions learning exercise, students 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...
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Worksheet
Curated OER

Energy Changes, Rates of Reactions, Nuclear Chemistry

For Students 9th - 12th
In this energy changes, rates of reactions and nuclear chemistry activity, students solve 14 problems to review concepts about endothermic and exothermic reactions, heat of combustion, heat of reactions, enthalpy, kinetic and potential...
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Activity
It's About Time

Response Time

For Teachers 7th - 12th Standards
How fast are your reactions in the case of an emergency? Young scholars complete many activities including: time estimation, building a circuit, multiple reaction time experiments, and graphing.
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Worksheet
Curated OER

Reaction Kinetics and Rate Laws

For Students 11th - Higher Ed
In this reaction kinetics worksheet, students draw a graph of energy vs. reaction progress and determine the factors which change the speed of a reaction. Students learn about rate laws. This worksheet has 1 graph, 15 fill in the blanks,...
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Worksheet
Curated OER

Rate Laws Quiz

For Students 10th - Higher Ed
In this rate laws activity, learners 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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Lesson Plan
Curated OER

Enzyme Reaction Rates Using Toothpicks

For Teachers 10th - 12th
Students pretend to be enzyme that breaks toothpicks in timed intervals. They complete calculations to determine how many toothpicks are broken per second to determine the rate of reaction of the enzyme.
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Lesson Plan
Curated OER

Rate Determining Step and Catalysts

For Teachers 9th - 12th
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...
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Lesson Plan
Curated OER

Keep it Bottled Up: Linear Rates of Pressure Increase

For Teachers 9th - 12th Standards
Pupils explore linear functions in this lesson when they collect and analyze data as a chemical reaction proceeds. Learners record pressure versus time data and model the data as a linear function. They also examine the concept of slope...
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Worksheet
Curated OER

Review of Reaction Kinetics

For Students 10th - 12th
In this chemistry review worksheet, students answer 50 multiple choice questions on reaction kinetics. They identify the factors affecting the rates of reactions.
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Lesson Plan
Curated OER

The "Clock Reaction" Kinetics Lab

For Teachers 9th - 12th
Students investigate the effects of temperature and concentration on the rate of reactions. In this "clock reaction" kinetics lesson plan, students change the concentration of one reactant and keep the second constant. An indicator is...
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Assessment
Curated OER

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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Assessment
Curated OER

2000 U.S. National Chemistry Olympiad Part II

For Students 9th - 12th
In this chemistry olympiad problem solving worksheet, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
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Lesson Plan
Curated OER

Heat, Temperature, and Transfer

For Teachers 6th - 12th
Physical science scholars discover an array of heat sources. They experiment to connect radiation to heat. They begin to understand thermal equilibrium. Then, they test to see if mass affects the rate of temperature change. Choose a few,...
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Worksheet
Curated OER

Experimental Rate Law

For Students Higher Ed
In this reaction rate worksheet, students determine the molecularity of a reaction plus show that the predicted rate law equals the experimental rate law. This worksheet has 3 problems to solve.
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Worksheet
Curated OER

Kinetics and Equilibrium

For Students 10th - 12th
In this kinetics and equilibrium worksheet, students use the diagram to answer the questions as it relates to endothermic or exothermic reactions. Students indicate the result in the reaction rate as speeding up or slowing down.
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Lesson Plan
Curated OER

How Can we Measure the Rate of a Chemical Reaction?

For Teachers 9th - 12th
High schoolers examine different types of chemical reactions. They explore how alcohol molecules affect the reaction rates. They answer discussion questions to end the lesson.
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Lesson Plan
Cornell University

Radical Reactions

For Teachers 9th - 12th Standards
The radical reactions of polymers seems abstract to many pupils, but this lesson turns them into a fun building game. Scholars use dice and building pieces to build polymers. Then, they determine the theoretical and experimental weight...
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Lesson Plan
National Nanotechnology Infrastructure Network

Lab 2: Nanocatalysts Clean Your Car Emissions

For Teachers 9th - 12th Standards
Surface area certainly surfaces as a variable for chemical reaction rates. Scholars perform an experiment to discover how the size of catalysts affect the rate of a chemical reaction. They record their results in tables and graphs to...
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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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Worksheet
Curated OER

Chemical Reactions

For Students Higher Ed
In this chemical reactions learning exercise, students determine the order of a reaction based on experimental results. This learning exercise has 5 problems to solve.
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Worksheet
Curated OER

The Rates of Chemical Reactions

For Students 9th - 12th
In this chemistry instructional activity, students complete a crossword puzzle with 25 questions on chemical reactions. They identify common terminologies used in describing chemical reactions.
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Worksheet
Curated OER

Kinetics Review Sheet

For Students 9th - 12th
In this kinetics learning exercise, students define 7 terms related to the energy of reactions, they find the average reaction rate in a reaction, they sketch an energy diagram for an endothermic reaction and they compare exothermic and...

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