Middle School Chemistry

Whether you are a student or teacher, we hope you enjoy our collection of middle school chemistry articles, guides, and materials.

Introduction to Chemistry

What Is Chemistry?

Why Is Chemistry Important? 

Basic Chemistry Laboratory Safety Rules for Students

Common Laboratory Apparatus

Types of Flames in Bunsen Burner

States of Matter

The Three Primary States of Matter in Chemistry

The Kinetic Theory of Matter

The Fourth and Fifth States of Matter

Heating and Cooling Curves

Physical and Chemical Properties of Matter

Simple Classification of Substances

Atoms, Elements, Molecules, and Compounds

Pure Substance and Mixture

Mixtures and Compounds

Homogenous and Heterogeneous Mixtures

Aqueous and Non-Aqueous Solution

Miscibility, Partial Miscibility, Immiscibility, and Other Related Terms

Separation of Mixtures

Physical and Chemical Changes

Chemical Symbols

Word Equations for Chemical Reactions

Acids and Bases

Introduction to Acids and Bases

Natural, Commercial, & Universal pH Indicators

Properties of Acids