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109 resources with the concept endothermic reactions

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

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 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.
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

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...
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...
4:52
Lesson Planet

Exothermic and Endothermic Reactions

For Students 9th - 12th Standards
What happens when chemical bonds break and form? Science scholars explore the movement of energy in a chemical system by watching a well-rounded video. The narrators illustrate exothermic and endothermic reactions in terms of temperature...
Lesson Planet

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...
Lesson Planet

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...
2:48
Lesson Planet

Le Châtelier

For Students 9th - 12th Standards
How do systems in equilibrium adjust to changes? Junior chemists examine Le Chatelier's Principle using a short video. The narrator illustrates how changing concentration, temperature, and pressure shifts the balance of reactants and...
Lesson Planet

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...
4:31
Lesson Planet

Limestone Cycle - Limestone, Quicklime and Slaked Lime

For Students 9th - 12th
Calcium rocks! Well, in this case, calcium carbonate is a little more accurate. Part four in a series of seven, the video describes how the seashells of ages past compressed to form one of Earth's most useful sedimentary rock resources....
4:16
Lesson Planet

What Are Endothermic and Exothermic Reactions?

For Students 9th - 12th
Investigate the properties of endothermic and exothermic reactions with a detailed video lesson that defines exothermic and endothermic. The instructor explains the properties of each reaction and gives several examples of each. 
Lesson Planet

Hotpack - Coldpack

For Students 6th - 12th Standards
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...
Lesson Planet

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...
Lesson Planet

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...