This California State University Northridge essay on the "Nature of Science, the Scientific Method, and Measurement" includes a historical perspective.

Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.

This mini-lesson at the Evolution and Nature of Science Institute site from Indiana University provides a criteria by which students can evaluate an idea or explanation for scientific credibility.

Upper level discussion of several of Mendel's experiments and laws.

Students examine paleontology, the study of ancient life on Earth. Some topics explored are vertebrates, invertebrates, and plants.

Being an epidemiologist is like being a detective, at least a medical detective. Read about the many different ways the epidemiologist looks into medical conditions to see what causes them. Science Buddies' career profile lays out the...

George Washington started out as a surveyor. This career has potential in many areas above ground, underground, and even in space. Find out about the nature of the work of a surveyor as well as the educational requirements in this...

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...

This is a great lesson plan that combines Karoytypes and evolution. Students will recognize that the chromosomes of chimpanzees and humans are remarkably similar, then correlate that to their evolutionary relationship.

Describes the impact of invasions of non-native plant and insect species in Cuyahoga Valley National Park in Ohio, including the gypsy moth and the emerald ash borer.

Online exhibit of scientific illustrations from rare books of natural history. Earliest examples date from the fifteenth century.

Read about the environmental engineering technicians who do the hands-on work that is developed by the environmental engineer. Science Buddies offers a career profile which outlines the educational requirements and lays out the nature of...

Instructional module focusing on the scientific method as a process of investigation into the natural world rather than a linear collection of facts. Site also includes an interactive practice quiz and links relating to the topic.

Imagine teams of scientists off in all directions doing their research. Someone has to plan and be the administrator to be sure everything runs smoothly. That is the job of the natural sciences manager. This career requires not only...

Wouldn't it be great to spend your day watching animals in their natural habitat or as natural as zoos can make the habitat? Being a zoologist or wildlife biologist does just that. Find out what education you need for this career in this...

Soil and water conservation are important in the protection of the earth's natural resources. Read about the careers that study and encourage conservation. Find out about the educational requirements necessary to become a soil or water...

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?...

An experiment to create a device using cardboard tubes that will separate a mixture of sounds in a background into their different frequencies, from low to high depending on the tube length.

A detailed discussion of the nature of light, how it can travel through a vacuum, and how the speed of light is affected when light travels through a medium.

"Astronomy is the science that studies the Earth, the Moon and other objects in space. It has helped us discover our place in the physical universe. It is still making discoveries." This landing page gives options for students and...

Discover what evolution is through a case study of a Hawaiian snail species' survival. [7:20]

Within the two major disciplines of geology and geophysics are numerous subspecialties of careers. Included: nature of the work, training, advancement, employment, job outlook. projections data, earnings, related occupations. A detailed...

A good explanation of basic quantum theory.

This guide focuses on four physical science topics that fascinate children and scientists alike. They are motion, magnets, sound, and light. With your guidance and support, these topics provide children with many opportunities to explore...