Students observe and perform experiments with sodium, potassium, calcium, magnesium, sulfur ,and phosphorus. The discover trends down groups, across periods, and having to do with the pH of metal oxides vs. nonmetal oxides.

Use this experiment to show how vinegar reacts with the calcium in a chicken bone.

[Free Registration/Login may be required to access all resource tools.] Yogurt is a good source of calcium. Yogurt also contains active cultures of "good" bacteria. Foods that contain these beneficial bacteria are sometimes called...

Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. View this downloadable infographic on the human body.

What is jade? The English term "jade" is used to translate the Chinese word yu, refers to a number of minerals including nephrite, jadeite, serpentine and bowenite, while jade refers only to nephrite and jadeite. Chemically nephrite is a...

This site by David Barthelmy gives exceptionally detailed information on the mineral calcite, with photos and clear terminology, crystallography data, Dana and Strunz classifications and much more.

This detailed article on bones provides a diagram of the skeletal system, advice to keep bones healthy, and links to further related information. User has option to view Shockwave or non-Shockwave version of this website.

Students will learn about the role of the six most important electrolytes in the body, and then study the disorders associated with abnormally high and low levels of these electrolytes.

In this lesson, students will learn that minerals are a necessary part of our diet. They will learn that different minerals have different functions in the body. More specifically, they will discover that iron is necessary to carry...

Find out what the human body needs to function at its best, and why.

All of the organ systems of your body are interdependent, and the skeletal system is no exception. The food you take in via your digestive system and the hormones secreted by your endocrine system affect your bones. Even using your...

Learn what quicklime is, how it can burn one's skin, how it is made, its chemical properties, and how it is used in industry and for other things.

This diagram illustrates a chemical reaction forming a precipitate.

This article presents information about high blood pressure. The article is medium size in length, provides great information on the subject, and has two charts that relate to the subject.

Experiments provide information related to the importance of light and gravity on plant growth and development.

Read about gypsum, where it is found, how it forms, its properties, and its many uses.

An explanation of how Gypsum Caves form and where they are located. A picture of the Bararossahohle cave in Germany.

This site promotes the benefits on zinc and other not so well-known minerals; calcium is best known. Discusses the importance of zinc, and the types of food zinc is found.

This site, from the University of Washington, is designed to educate physicians and patients about osteoporosis and bone physiology.

Two experiments where students investigate with uncooked eggs. In the first investigation, they explore how to remove the eggs outer shell while keeping the rest of the egg intact. In the second, students attempt to shrink the egg...

An interesting site about coral reefs. It explores where the reefs are found, what the reefs are, animals that live in the reefs, and preservation of the reefs.

Wikipedia offers a brief but accurate definition of alkaline earth metals. Includes a list of elements in the chemical series.

In this activity, students work in groups to create their own toothpaste in order to learn about the rocks and minerals it contains. Includes discussion questions and extension activities.

This article covers several different areas related to osteoporosis, including different disease types, risk factors, and prevention and treatment measures.