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

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.

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...

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.

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.

Gives an overview of the scientific method as it relates to a science fair project.

An experiment in resonance that demonstrates how to synchronize an applied force with an object's natural frequency and amplify the resulting motion.

This site from Palomar College provides a good background on exactly what Mendel did. Vocabulary links throughout make this a very good introduction article for genetics.

Join NASA in its study of oceanography and learn about the Earth system, the physical ocean, and life in the ocean. Try out the Giovanni: Earth Data Visualization Tool and access satellite-derived data to enhance the learning experience.