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

BSCS Middle School Science is a standards and inquiry-based program comprised of four units: Earth/Space Science, Life Science, Physical Science, and Science and Society. The curriculum is available free online for teachers.

Article reports on the increasing size of ocean animals over the millenia. Includes a list of key vocabulary.

Learn how basic elements form molecules to support life.

[Free Registration/Login may be required to access all resource tools.] Biodiversity is a measurement of the amount of variation of the species in a given area. More specifically, biodiversity can be defined as the variety of life and...

[Free Registration/Login may be required to access all resource tools.] Do you ever wonder why some birds are big like ostriches and some birds are small like robins? Or why a lion has a mane while a leopard has spots? In the 19th...

[Free Registration/Login may be required to access all resource tools.] Fossils are the preserved remains of animals, plants, and other organisms from the distant past. By studying fossils, evidence for evolution is revealed....

Microbiologists spend their careers peering through microscopes in their study of microorganisms. They have plenty to look at since these are Earth's most common life-forms. Science Buddies outlines the education requirements as well as...

Does examining all aspects of human life appeal to you? Would you like to explore the origins of man, of language, of culture? This Science Buddies site gives a good overview of what is involved in the career of anthropologist. Find out...

If you have an interest in animals and medicine, you might like to check out this Science Buddies career profile about what it takes to become a veterinarian. You can find out the education requirements and the many avenues that...

Animal trainers are needed in many circumstances. From training animals in animal parks to training service animals, there are many opportunities for those interested in this career. Science Buddies gives a good overview of what is...

Do you think a career in animal breeding might be interesting? This article in Science Buddies gives a clear assessment of what you might expect in that career. Find out what education you need, what the work environment is like, and...

Find out the many opportunities for someone interested in a career in political science. Political scientists are involved in govermental decisions in many areas, including health care, foreign policy, and public policy. Read an...

This Science Buddies site lays out the requirements needed to become a sociologist, as well as the education and job description. Included are interviews with people who have pursued this career. Try out some aspects of this career by...

Summarizes the important work of an athletic trainer. This Science Buddies site lays out the requirements needed to become an athletic trainer, as well as the education and job description. Included are interviews with people who have...

We all expect that the food we eat is safe. Agricultural inspectors are the ones who check food processors, farms, and businesses to assure that they are following the governmental regulations that protect our food safety. This Science...

Mummies have always played a part in nightmares for Western cultures, but in ancient Egypt, mummification was a serious religious ritual. They believed that preserving human remains was necessary so that the previous owner could enjoy...

Did you know that when you use fertilizer in your garden, it can eventually reach a lake, stream, or pond? There are many different chemicals present in fertilizers. Learn how they affect the aquatic organisms in the ecosystem within...

This article explores exactly what is considered alive but reviewing over the characteristics of life.

Statistics is a fascinating subject and everyone loves to spout them, but a statistician really knows how to use statistics to answer real-life questions and make predictions based on mathematical data. This Science Buddies site lays out...

What covers less than 10% of the Earth's surface, yet is a vital natural resource for terrestrial life? What filters ground water and supports most of our food production, not to mention the production of building materials and paper?...

There are so many kinds of engineers. The environmental engineer has the opportunity to have an impact on the quality of life of thousands, if not millions, of people because of the solutions to environmental problems they develop. This...

Review the safety precautions while performing scientific investigations.

See how air pollution affects human health.