American Chemical Society
Middle School Chemistry: Lesson Plans: What Is a Chemical Reaction?
After observing a demonstration of a chemical reaction between a burning candle and the oxygen in the air, young scholars use atom model cut-outs to model the reaction and see that all the atoms in the reactants show up in the products.
TeachEngineering
Teach Engineering: Reaction Exposed: The Big Chill!
Students investigate the endothermic reaction involving citric acid, sodium bicarbonate and water to produce carbon dioxide, water and sodium citrate. In the presence of water [H2O]; citric acid [C6H8O7] and sodium bicarbonate [NaHCO3]...
Other
Chemical Reax/exothermic Reactions
A wonderfully complete primer on exothermic reactions in the context of chemical spills. Covers Reactions with Air or Water, Combustible Organics, Polymerization Reax, Decomposition, Corrosion, and much much more.
Chem4kids
Chem4 Kids: Stoichiometry
This site provides a great overview of stoichiometry, the part of chemistry that studies amounts of substances that are involved in reactions. Content focuses on what you measure, and includes two examples.
Chemistry Collective
Chem Collective: Determining Stoichiometric Coefficients
Students use the virtual lab to determine how four unknown substances react with each other including their stoichiometric coefficients. In this randomized activity, each student receives a different reaction and students can check their...
Georgia Department of Education
Ga Virtual Learning: Chemistry: Stoichiometry
Through informational text, interactive practice problems, video clips, and real-world application, students are introduced to the science of Stoichiometry.
CK-12 Foundation
Ck 12: Physical Science: Conservation of Energy in Chemical Reactions
[Free Registration/Login may be required to access all resource tools.] Describes the law of conservation of energy and how energy is conserved in chemical reactions.
Center of Science and Industry
Cosi Columbus: Sidewalk Chalk
Make your own sidewalk chalk, and learn about chemical reactions. During the procedure, feel the heat as energy is released in an exothermic reaction.
CK-12 Foundation
Ck 12: Life Science: Light Reactions of Photosynthesis
[Free Registration/Login may be required to access all resource tools.] Although we generally discuss plants when learning about photosynthesis, keep in mind that plants are not the only organisms that can make their own food. Some...
Sophia Learning
Sophia: Chemical Reaction Types: Synthesis
A video lesson which illustrates how to identify and complete a synthesis chemical reaction. [8:08]
Sophia Learning
Sophia: Chemical Reaction Types: Synthesis
A narrated tutorial which describes how to identify and complete a synthesis reaction. [9:55]
Texas Instruments
Texas Instruments: Conductimetric Titration & Gravimetric Determination
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the...
Crescent Public Schools
The Internet Science Room: Balancing Chemical Equations
Students learn the basics of writing and balancing the chemical equations of chemical reactions.
Chem Tutor
Chem Tutor: Chemistry: Reactions
This lesson focuses on chemical reactions including what they are and an explanation of each part of a chemical equation.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Stoichiometry
This online textbook chapter provides learners with advanced-level reading and practice material on stoichiometry
CK-12 Foundation
Ck 12: Types of Chemical Reactions
[Free Registration/Login may be required to access all resource tools.] In this learning module, studnets will classify a chemical reaction as a combination, decomposition, single replacement, double replacement, or combustion reaction....
Sophia Learning
Sophia: The Properties of Water: Lesson 3
This lesson will provide an understanding of the chemical and physical nature of water. It is 3 of 4 in the series titled "The Properties of Water."
Sophia Learning
Sophia: The Properties of Water: Lesson 4
This lesson will provide an understanding of the chemical and physical nature of water. It is 4 of 4 in the series titled "The Properties of Water."
Sophia Learning
Sophia: The Properties of Water: Lesson 1
This lesson will provide an understanding of the chemical and physical nature of water. It is 1 of 4 in the series titled "The Properties of Water."
Khan Academy
Khan Academy: The Equilibrium Constant K
Reversible reactions, equilibrium, and the equilibrium constant K. Learn how to calculate K, and how to use K to determine if a reaction strongly favors products or reactants at equilibrium.
CK-12 Foundation
Ck 12: Types of Chemical Reactions
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will define and give general equations for combination, decomposition, single-replacement, and double-replacement...
BBC
Bbc: Gcse Bitesize: Calculations for All Students
Law of conservation of mass: No atoms are created or destroyed in a chemical reaction. They just join together in a different way than they were before the reaction, and form products. This means that the total mass of the products in a...