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

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

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

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.

Students will be able to identify important ideas Darwin developed during the voyage of the Beagle, and give examples of his observations that supported those ideas.

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 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.

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.

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

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...

Presents a list of the nineteen worst natural disasters to strike Japan, along with descriptions, year, number of casualties, and where each occurred. Japan has been hit by earthquakes, tsunamis, volcanic eruptions, typhoons, blizzards,...

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...

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...

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...

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?...

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.

By the end of this section, you will be able to understand the four basic forces that underlie the processes in nature: gravitational, electromagnetic, weak nuclear, strong nuclear forces.

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

Find a wealth of scientific information on the status of biodiversity in the world today, the threats it faces, and why it is critically important to preserve it.

This unit contains a series of lessons that allow students to explore the effect of sunlight on Earth's natural surfaces of sand, soil, rock, and water. In addition, students explore how the color and material of a surface affects how...

A complete biography of the philosopher John Locke. It discusses his contribution to philosophy and his social contract.

How natural selection works at the level of genes, alleles, genotypes, & phenotypes.