Texas Instruments
Endothermic and Exothermic Processes
Students investigate temperature using the TI. In this chemistry lesson, students analyze the change in temperature, as chemicals are dissolved in water. They analyze data collected using the CBL 2.
Curated OER
Exothermic and Endothermic Reactions
Students observe demonstrations of exothermic and endothermic reactions and determine the changes that take place in a chemical reaction. Students observe four demonstrations showing entropy, attraction of molecules due to polarity,...
American Chemical Society
Temperature Changes in Dissolving
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...
Cornell University
Energy Changes in Chemical Reactions
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...
Curated OER
Bond Energies
Before completing this learning exercise, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data...
Curated OER
Exothermic Rehydration of Gypsum
Students observe exothermic reactions in the lab using plaster. In this chemistry lesson, students collect data from their experimental set up every five minutes. They explain the different stages in the hardening of plaster.
Curated OER
More Thermochemistry Problems
This two-page assignment covers basic thermochemistry concepts. Chemistry learners identify exothermic and endothermic processes, explain a phase change graph, and draw an energy level diagram. There are no problems to solve, just...
Curated OER
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
Curated OER
The Chemistry of Ice Cream
In this chemistry of ice cream worksheet, students investigate colligative properties and how they affect freezing points while making ice cream. Students answer short answer questions to determine if freezing is an endothermic or...
Science Geek
Reaction Kinetics
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.
Curated OER
Thermochemistry
In this thermochemistry worksheet, learners indicate whether the given processes are endothermic or exothermic reactions. Students complete the phase change diagram as well as define a given set of vocabulary words. Learners calculate...
Curated OER
Thermodynamics
Students investigate energy involved for bonds to form and break. For this thermodynamics lesson plan, students experiment with chemical reactions to observe endothermic and exothermic reactions, they explore entropy and the effects of...
Herff Jones Education
Chemical Energy
Provide the class with a quick lesson on chemical energy as they are assisted in creating hot and cold packs to demonstrate energy transfer between objects. They observe the energy change in matter as it transforms and distinguish...
Science Geek
Basic Thermochemistry
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,...
National Institute of Open Schooling
Chemical Thermodynamics
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...
Virginia Department of Education
States of Matter
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...
Curated OER
Heat and Thermodynamics
This is actually a 10-day mini unit on thermal energy for your high school chemists. Every avenue is taken to get learners absorbed in heat: a pretest, a PowerPoint presentation, Internet exploration, demonstrations, lab activities, and...
Chemistry Collective
Virtual Lab: Temperature and the Solubility of Salts
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...
Curated OER
Module 7 Revision Guide - Chemistry
Two versions of this handout are provided, the second with more detailed information on the same topics. Chemistry aces survey chemical reactions, heat energy transferred, and the action of enzymes by reading this resource. You can...
Curated OER
Version 001 – Exam 1 – David Laude (53015) 1
A 30-question multiple choice chemistry test challenges takers. Topics touched upon include thermochemistry, equilibrium, behavior of gases, and pH. Problem solving is required in order to answer most of the questions. Other questions...
Curated OER
Studying Exothermic and Endothermic Reactions
High schoolers explore the mesosphere and lower thermosphere globally and achieve a major improvement in our understanding of the fundamental processes governing the energetics, chemistry, dynamics, and transport of the atmospheric...
Polar Trec
South Pole Ice Cream!
How can you turn an ice cream activity into a scientific investigation? It's easy if you know ionic compounds, heat transfer, and the exothermic and endothermic process. Learners will explore the science behind freezing, insulation, and...
Virginia Department of Education
Thermochemistry: Heat and Chemical Changes
What makes particles attract? Here, learners engage in multiple activities that fully describe colligative properties and allow the ability to critically assess the importance of these properties in daily life. Young chemists conduct...
Curated OER
AP Chemistry-Thermochemistry
In this thermochemistry worksheet, students answer twenty multiple choice questions about heat, enthalpy changes, thermal, mechanical and electrical energy and the laws of thermodynamics.