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132 resources with the concept exothermic reactions

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Population Genetics Video
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Population Genetics
Three-Dimensional Coordinates and the Right-Hand Rule Video
6:09
Three-Dimensional Coordinates and the...
Defining Gravity Video
3:11
Defining Gravity
Other Resource Types ( 132 )
Lesson Planet

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...
Lesson Planet

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...
Lesson Planet

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...
Lesson Planet

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...
Lesson Planet

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...
Lesson Planet

2007 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Lesson Planet

2009 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Lesson Planet

Observing Chemical Reactions

For Teachers 9th - 12th
Start this series of lessons with a bang! Five exothermic reactions are outlined in this resource, including a demonstration that produces both light and sound. In the lab, chemistry apprentices record temperature changes, make hand...
Lesson Planet

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,...
Lesson Planet

2001 U.S. National Chemistry Olympiad Part I

For Students 9th - Higher Ed
Sixty multiple-choice questions test on a variety of first year chemistry subjects. In order to succeed, exam takers must be competent with properties of elements, stoichiometry problems, gas laws, bond dissociation, and types of...
Lesson Planet

Heat Energy Released or Absorbed in Chemical Reactions

For Teachers 9th - 12th
Chemistry whizzes test the change in water temperature produced by a burning candle and the change in acid temperature produced by magnesium metal. With these two laboratory activities they explore heat produced during chemical...
Lesson Planet

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.
Lesson Planet

How Much Energy Is That Anyway?

For Teachers 9th - 12th Standards
The fifth lesson plan 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.
Lesson Planet

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...
Lesson Planet

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...
Lesson Planet

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

For Teachers 9th - 12th Standards
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...
Lesson Planet

Blowing Up Balloons, Chemically

For Students 9th - 12th
Use a chemical reaction to inflate a balloon. Young learners conduct chemical reactions and make observations about their physical properties. Their investigations highlight endo and exothermic reactions as well as the Law of...
Lesson Planet

Hot and Cold Reactions

For Students 9th - 12th
Explore endo and exothermic reactions with a laboratory investigation. A simple experiment monitors the temperatures of several chemical reactions. The reactions include both exothermic and endothermic reactions, helping young scientists...
Lesson Planet

A Reversible Reaction of Hydrated Copper (II) Sulfate

For Teachers 6th - 12th Standards
How can removing water change the color of a substance? Lab partners remove the water of crystallization from hydrated copper (II) sulfate, record their observations, then rehydrate the solid. The resource is printable and contains ideas...
Lesson Planet

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...
6:10
Lesson Planet

Potential Energy (PE) Diagrams

For Students 9th - Higher Ed Standards
Can your class explain the changes in energy during a chemical reaction? Map them out with a video from JFR Science's playlist. The narrator discusses in detail how to create, manipulate, and use a potential energy diagram.
10:06
Lesson Planet

Le Chatelier's Principle

For Students 9th - Higher Ed Standards
Sometimes chemistry is a balancing act. Get to know Le Chatelier's Principle with a video from the JFR Science playlist. The narrator discusses pressure, temperature, and concentration in chemical reactions and how they affect the...
Lesson Planet

The Heat Is On

For Students 6th - 8th Standards
Explore an exothermic reaction with a quick lab investigation. The activity builds on the previous lessons by examining an ingredient in many shampoos. Scholars record temperature data as sodium hydroxide and water interact.
7:08
Lesson Planet

Indestructible Coating?!

For Students 9th - Higher Ed Standards
Coat your pickup bed with the same material used to protect the Pentagon! Examine the chemical properties of a seemingly indestructible material in an intriguing installment from the Veritasium video playlist. Viewers see that the long...