Chemical Reactions

Understand how substances transform.

General curriculum — a grade-specific version for Grade 3 is in development.

What is a chemical reaction

Describe chemical reactions.

Signs of a reaction

Identify signs that a reaction occurred.

Reactants and products

Identify reactants and products.

Balancing equations

Balance simple chemical equations.

Synthesis reactions

Describe synthesis reactions.

Decomposition reactions

Describe decomposition reactions.

Combustion reactions

Describe combustion reactions.

Energy in reactions

Describe energy changes in reactions.

Reaction rates

Describe factors that affect reaction rates.

Chemical reactions review

Apply chemical reaction concepts.