Use this audio book to learn how to balance chemical equations, step-by-step.

This lab exercise exposes students to a potentially new alternative energy source-hydrogen gas. Student teams are given a hydrogen generator and an oxygen generator. They balance the chemical equation for the combustion of hydrogen gas...

This web-based activity gives students an opportunity to write chemical reactions, balance chemical equations, and explain what is happening during a given chemical reaction. Also addressed is the effects of concentration and temperature...

Middle schoolers will learn and reinforce skills for solving for unknowns, manipulating equations while keeping them in balance, using formulas to solve real-world challenges, and working with proportions, radicals and exponents.

A good reference page for anyone studying polyatomic ions. Tables included on this page organize polyatomic ions by family and by charge. Information on naming compounds with polyatomic ions is also provided. There is a link to an online...

A good resource on chemical reactions, organized by topic: "Examples of chemical changes," "Chemical equations of chemical reactions," "Balancing equations," "Synthesis reactions," "Decomposition reactions," "Single replacement...

Explains how to balance the equation for the chemical reaction that takes place in chloroplasts during photosynthesis.

An explanation of algebra and equations that emphasizes how easy it is to learn the basics. The concept of balancing equations is looked at in detail. This page can be used by teachers in lesson planning or by students who seem to be...

In Spanish. Examples and practice problems on balancing simple, one variable equations.

How do you solve for a variable that is multiplied by another number in an algebraic equation? Find the answer to this question and see examples showing how to solve other types of algebra "puzzles."

[Free Registration/Login may be required to access all resource tools.] The video shows how to use addition and subtraction to keep an equation balanced by working backwards to determine the missing value. The video is followed by...

[Free Registration/Login may be required to access all resource tools.] Explains Law of conservation of mass and why chemical equations must be balanced.

You should be able to calculate the masses of reactants and products from balanced equations, and the formula of a compound from information about reacting masses.

Students will perform chemical reactions for the class to observe evidence of reactions and write equations to describe the reaction.

A chemistry lab where students investigate limiting reagents and balanced chemical equations. A simple experiment that gives students a physical example of what limiting reactant means.

The CyberSquad solves a number puzzle to help save Motherboard in this video segment from Cyberchase.

[Free Registration/Login may be required to access all resource tools.] Students begin by predicting whether a salt solution is acidic, basic, or neutral, and then practice writing balanced equations for hydrolysis reactions. They also...

Students use a simple seesaw to visualize solving a two- or three-step mathematics equation, while solving a basic structural engineering weight balance problem in the process. They solve two-step equations on a worksheet and attempt to...

This lab experiment shows students that mass is not gained or lost during a chemical reaction. Lab also includes a set of lab questions that requires students to balance the chemical equation for the reaction that occurs in this lab.

Tutorial on torque, rotational motion, and rotational equilibrium. Includes equations, concepts, example and practice problems.

A collection of video lectures to teach junior high students topics in chemistry. Lectures cover topics in understanding the periodic table, compounds, chemical bonding, Avogadro's number, balancing chemical equations, stoichiometry,...

How is algebra like solving a puzzle? What is a variable? This simple introduction to algebraic equations offers examples of how to solve for "x" and how to balance equations. Follow a link to a "Simple Algebra Worksheet" when you're...

This site resource offers tutorials on the gas laws, balancing chemical equations, and quantum mechanics.

Use your quick thinking and addition math skills to play this math racing game.