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This Introductory Chemistry textbook was developed by the Chemistry faculty at Montgomery College, and provided by Professor Patricia Takahara. The book is meant for students with very little or no background in chemistry. Concepts here are presented at a very basic level in order to provide the foundation for college-level general chemistry. This book is used in Introductory Chemistry, a non-credit, preparatory course at Montgomery College (Maryland).

Anne McNeil introduces the central science and discusses how the study of matter has changed over time.. Created by Big History Project.

This animation from KET's distance learning physics course demonstrates the mathematical formula for a scientific law as it applies to light.

This activity is a classroom lab activity that demonstrates chemical change in a dramatic way using a few inexpensive, easily obtainable materials.

This activity is a classroom chemistry lab where students will test different cleaning methods that could be used in oil spills. They will see the effects how oil spills damage animals and the environment.

This activity is an extension to standard labs that have students generate a pH curve from strong acid/strong base data. Students are asked to predict and test how the the titration end point will shift when titrating vinegar (a weak acid) with NaOH (a strong base).

This activity is an inquiry where students will design an electrolytic cell that produces work in the form of lighting a bulb.

This classroom lab allows students to develop skills of the scientific method while exploring the characteristics of enzymes.

This activity is an inquiry based lab where students determine 3 ways to change the rate of the chemical reaction between hydrochloric acid and alka-seltzer.

This activity is a classroom investigation where students separate pigment in dyes in order to learn about mixtures and solutions. They use chromatography to design and experiment with a single variable to answer a question about which ink will separate the most - has the greatest variety of pigment.

This activity is a lab investigation where students design an experiment to extract pigments (AKA chromatography) from different colored, water soluble markers.

This activity is a lab investigation where students design an experiment to extract pigments (AKA chromatography) from different colored, water soluble markers.

In this chemistry lab experiment, students explore the properties of color using chromatography. Students will observe and compare color patterns to differentiate compositions of various colors. Students gather data on color patterns and develop new experimental questions based on their data.

This is an exploratory activity involving matter and density. There are many assessment pieces including a laboratory.

This activity is an interactive demonstration of the concept of density with a guided inquiry component.

This activity is a guided inquiry of how molecules move in liquid. Students develop questions, use their observation skills to describe what they saw, record and analyze their findings, and use their data to begin to hypothesize what is happening in the investigation.

This activity is a lab investigation in which students observe the rate of generation of hydrogen gas from a reaction, and then modify the procedure to compare another variable affecting the rate of this reaction.

This activity continues the idea as to why objects sink or float using the mathematical formula density equals mass divided by volume.

This guided inquiry activity helps students differentiate between heat and temperature and goes on to relate specific heat to thermal conductivity.