Texas Education Agency
Texas Gateway: Conservation of Mass It's the Law!
This resource includes videos, interactives, and additional resources to help students understand the law of conservation of mass and how to balance chemical equations.
Science Education Resource Center at Carleton College
Serc: Le Chatlier's Principle: Determining Color of Nitrogen Dioxide
Students observe the effects of temperature change on the color of nitrogen dioxide and dinitrogen tetroxide by manipulating glass tubes containing the gases at equilibrium. Then, they write a balanced equation for the reaction and...
Climate Literacy
Clean: Introduction to Earth's Climate
This lesson is an introduction to Earth's climate and covers key principles regarding Earth's unique climate, atmosphere, and regional and temporal climate differences. Students will gain an understanding of how the weather and climate...
Science Education Resource Center at Carleton College
Serc: Eye Dropper Rockets
Young scholars balance and identify the types of chemical reactions, and then using the reaction knowledge, they make eye dropper rockets to shoot across the lab room with the ultimate goal of making it go the farthest.
CK-12 Foundation
Ck 12: Plix Series: Endothermic Reactions: Combustion Reactions
[Free Registration/Login Required] Use the water and carbon dioxide molecules to balance the combustion reactions, label them, and then answer one challenge about the topic.
Other
Chem Team: Stoichiometry: Volume Volume Stoichiometry
Understand volume-volume stoichiometry with these volume-based example problems worked with solutions and explanations.
Chem Tutor
Chem Tutor: Basic Stiochiometry
Detailed discussion of stoichiometry, mols, and percents. Includes examples showing dimensional analysis (factor-lable method) and a link to the mole road map (a diagram which leads one through the stoichiometric problem-solving process).
Chem Tutor
Chem Tutor: Single Replacement Reactions
Information and examples on single and double replacement reactions, also called single displacement, single substitution, or activity replacement and double displacement, or metathesis. Practice problems with answers are available.
Educaplus (Jesús Peñas Cano)
Educaplus: Ajuste De Reacciones [In Spanish]
Practice how to balance simple chemical reactions.
PBS
Pbs Teachers: Submarine Race Experiment
Balance the force of gravity with the force of the expanding gasses created by mixing baking soda and vinegar. Create a soda bottle submarine that sinks to the bottom of the bathtub and then rises back to the surface.
Khan Academy
Khan Academy: Double Replacement Reactions
Definition and examples of double replacement reactions. Predicting and balancing neutralization and precipitation reactions.
Concord Consortium
Concord Consortium: Nonbonding
Bring two molecules together and observe potential energy changes.