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Lesson Plan
Cornell University

Energy Changes in Chemical Reactions

For Teachers 6th - 8th Standards
The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature...
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Lesson Plan
2
2
American Chemical Society

Temperature Changes in Dissolving

For Students 6th - 8th Standards
Alia-Seltzer tablets cause a very obvious chemical change, but do they also cause a temperature change? Each class member explores hot/cold packs, discussing how these temperature changes occur. Groups then design and carry out their own...
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Unit Plan
American Chemical Society

Energy Foundations

For Students 10th - 12th Standards
Only 10 percent of an incandescent bulb's energy is used to create light; the remaining 90 percent is heat. In the unit of activities, young chemists examine energy through hands-on activities, videos, discussions, and readings. Scholars...
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Lesson Plan
Virginia Department of Education

The Rate of a Chemical Reaction

For Teachers 9th - 12th Standards
If your pupils think a catalyst is a list of their cats, then this might be the lesson for you! Young chemists study the effect of temperature, catalysts, concentration, and particle size on reaction rates during four different...
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Lesson Plan
University of Georgia

Endothermic and Exothermic Reactions

For Teachers 9th - 12th Standards
Equip your chemistry class with the tools to properly understand endothermic and exothermic reactions. Young chemists collect, analyze, and graph data to determine how the Law of Conservation of Matter is applied to chemical composition...
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Lesson Plan
American Chemical Society

Change in Temperature - Endothermic Reaction

For Teachers 3rd - 8th
Now that learners have been exposed to chemical changes, they learn that some take in heat and therefore, decrease in temperature. The same reaction that they have been investigating between baking soda and vinegar is revisited,...
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Lesson Plan
Beyond Benign

Exothermic and Endothermic Reactions

For Teachers 9th - 12th Standards
How can you tell the difference between endothermic and exothermic reactions? Chemistry scholars perform and observe two chemical reactions, measure the temperature throughout, then draw conclusions about changes in energy from their...
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Lesson Plan
1
1
Purdue University

Can You Design a Hot or Cold Pack?

For Teachers 6th
You're getting warmer. Groups conduct an experiment to determine which of four chemicals are in hot/cold packs. They learn about exothermic and endothermic reactions and use this knowledge to design a hot/cold pack that is small enough...
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Lesson Plan
Kenan Fellows

How Much Heat Can a Phase Change Produce?

For Teachers 9th - 12th Standards
Scholars learn about heat release in phase changes. They perform calculations as they compare and contrast a science fiction passage and a home heating application.
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Lesson Plan
Kenan Fellows

How Much Energy Is That Anyway?

For Teachers 9th - 12th Standards
The fifth instructional activity in the six part series introduces units of energy including calories, Calories, and joules. Scholars determine the energy released when eating a snack and during activity.
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Interactive
Chemistry Collective

Virtual Lab: Temperature and the Solubility of Salts

For Students 9th - Higher Ed Standards
Can your scholars solve the mystery of why salts dissolve? A virtual workbench allows them to experiment with temperature and solubility with no solution prep and no post-lab clean up! Users determine the solubility of a variety of...
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Interactive
Chemistry Collective

Virtual Lab: Cobalt Chloride and Le Chatelier’s Principle

For Students 9th - Higher Ed Standards
Colorful cobalt complexes make a great way to learn about Le Chatelier! Eager chemists explore equilibrium through a virtual lab. Individuals use solutions with two different concentrations and observe the color changes that indicate...
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Unit Plan
Next Generation Science Storylines

Why Do Some Things Get Colder (or Hotter) When They React?

For Teachers 9th - 12th
Some reactions absorb heat while others release it. Young scholars investigate both types of reactions in a 12-lesson unit. Each lesson presents a lab investigation that monitors temperature and considers the types of reactions taking...
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Unit Plan
Royal Society of Chemistry

Energy—Gifted and Talented Chemistry

For Teachers 6th - 12th Standards
What has more energy than a room full of pupils after a fire drill? This lesson plan! Explore the changes in energy during different chemical reactions, discover why some reactions feel cold and others feel hot, and tackle the concept of...
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Unit Plan
Rensselaer Polytechnic Institute

Molecules to the Max!—Educators Resource Guide

For Teachers 5th - 8th Standards
From molecules to nanotubes, an engaging unit explores the world of tiny science. Fifteen hands-on experiments and lessons engage young scientists as they learn chemistry. Discussions, worksheets, and data analysis reinforce the concepts...
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Activity
American Chemical Society

Exothermic, Endothermic, and Chemical Change

For Teachers 9th - 12th Standards
Scientists can't observe bonds breaking or forming, so how do they distinguish between exothermic and endothermic reactions? Young scholars complete two experiments to do just that. They monitor temperature change and calculate the...
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Interactive
CK-12 Foundation

Hotpack - Coldpack

For Students 6th - 12th
Chemistry can help athletes and others protect and treat injuries. Use the interactive activity to explore the chemical reactions in instant hot and coldpacks. Learners manipulate the type of salt in the pack and watch the reaction take...
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Handout
National Institute of Open Schooling

Chemical Thermodynamics

For Students 9th - 12th Standards
All chemical reactions require energy. To explore thermodynamics, classes read and discuss its laws, exothermic and endothermic reactions, enthalpy in many forms, calculate enthalpy problems, and use Hess' Law to calculate enthalpy of a...
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Lesson Plan
2
2
American Chemical Society

Energy Changes in Chemical Reactions

For Students 6th - 8th Standards
Some chemical reactions produce heat, but what is really going on? Lesson focuses on the concept of energy changes, both exothermic and endothermic. Scholars perform multiple experiments, hands-on activities, and view videos of the...
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PPT
Science Geek

Reaction Kinetics

For Students 10th - Higher Ed
Show your classes the science behind rates of reactions with a presentation that explains factors that affect the rate, activation energies, exothermic and endothermic processes, and the proportionality of the product and reactant rates. 
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PPT
Science Geek

Basic Thermochemistry

For Students 10th - Higher Ed
Heat is more than just temperature, as viewers discover throughout a presentation about thermochemistry that emphasizes vocabulary. Definitions include joule, calorie, energy, enthalpy, calorimetry, exothermic and endothermic process,...
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PPT
Mr. E. Science

Chemical Reactions

For Students 7th - 8th Standards
Once I told a chemistry joke, but there was no reaction. Get young chemists involved in changes and reactions with a presentation that begins with physical and chemical changes and chemical reactions. It moves on to chemical equations...
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Lesson Plan
Curated OER

Caterpillars and Climate: How Temperature Affects Feeding Rate In Insects

For Students 6th - 8th Standards
Do you eat more when you are hot or when you are cold? Young scientists observe the eating pace of two caterpillars at different temperatures. The differences in endotherm and ecotherm animals' ability to adjust to temperature change...
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Lesson Plan
Virginia Department of Education

States of Matter

For Teachers 9th - 12th Standards
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to boil water through...