Astronomers can determine the atomic composition of distant stars by measuring the spectrum of light emitted by the star. Sound cool? Well in this project you can do something similar by observing the color of flames when various...

This is a complete course in chemical stoichiometry, set in a scenario that shows how stoichiometry calculations are used in real-world situations. This course has been designed to not only help you strengthen your skills with...

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,...

The chemical change of matter is illustrated in this lab experiment when spaghetti is placed in a solution of baking soda and vinegar. Watch the spaghetti rise to the surface and sink again once the gas is released.

A chemical tutorial describes the term "aqueous" and features examples of how different substances dissolve.

A collection of grid puzzles that cover a wide variety of topics in advanced high school chemistry. These are excellent for topic review and reinforcement. The puzzles can be played online and also downloaded as worksheets. Answers are...

Online biology textbook discussing the chemical nature of water, and the importance of its molecular structure to life. Also discusses at length the organic molecules nucleic acids, proteins, lipids, and carbohydrates.

Acids and bases are scaled. These facts are good knowledge to have when classifying solutions as acidic, basic, or neutral.

Resource gives descriptive and historical information on arsenic.

The objective of this article is to introduce how to balance redox reaction chemical equations in neutral solution.

Students will practice making and recording observations about various compounds and their aqueous solutions, write the formulas for the compounds, then perform chemical reactions and write the names and formulas of the products.

This StudyCard activity will enable students to practice naming and writing formulas for binary and non-binary inorganic acids. This activity will also allow students to practice naming acids found in aqueous solution as well as those...

This laboratory exercise is designed to introduce students to salts and their unique color given off while burned. Students will obtain several salt solutions to observe the color of flame when burned.

In this chemistry lab, the students will investigate what happens to the liquids: milk and food coloring, when dish soap is placed on a Q-tip and then put into the solution.

Understand volume-volume stoichiometry with these volume-based example problems worked with solutions and explanations.

This digital textbook covers core physical science concepts and includes interactive features, real world examples, and videos.

In this science activity, you will find out how much of a compound is too much to dissolve.

Do ants sometimes ruin your picnic? There are some chemical ant repellents you can spray to keep them away, but who wants to spray poison all over their food? In this experiment you can investigate some less toxic solutions that may be...

There are many different types of vinegar that you can buy to use around the kitchen for cooking and pickling. The chemical compound that gives vinegar its tart taste and pungent smell is acetic acid. In this experiment you will work to...

Slides six and seven of a lecture series illustrate and explain ionic dissociation. These slides are in a group of nineteen slides about chemical reaction in solution.

This site from Georgia State University discusses the precipitation reactions and deals with the lead iodide product. Links are provided to information on double replacement reactions as well as ionic compounds. Not too in-depth, this is...

[Free Registration/Login Required] Determination of the Molarity of an Acid or Base Solution.

This lesson will provide an understanding of the chemical and physical nature of water. It is 3 of 4 in the series titled "The Properties of Water."

This lesson will provide an understanding of the chemical and physical nature of water. It is 4 of 4 in the series titled "The Properties of Water."