An explanation on the importance of institutions and professional societies which have led to a great deal of progress in science.

The Five Tools and Processes for Translating the NGSS are designed to help professional development leaders work with teachers on curriculum, instruction, and assessment as they achieve this vision. Click the link for each tool for an...

Read to find out why controversy in science can actually be productive and help science progress.

A look at the human side of science. Take a look at how background and motivation can lead to different perspectives, discoveries, and progress in science.

Explore what science really is with this explanation of scientific knowledge.

An explanation of why ethics play an important role in science and research.

Instructional module focusing on minerals. Discussion includes chemical composition, chemical structure, and the formation process. The site also includes an interactive practice quiz and links relating to the topic.

Instructional module focusing on the development of plate tectonic theory. Discussion includes the evidence of Pangaea, and the processes of seafloor topography and seafloor spreading. Site also includes an interactive practice quiz and...

Instructional module focusing on the nitrogen cycle. Discussion includes the requirement of nitrogen by all organisms, the five processes in the nitrogen cycle, and how humans impact this cycle. The site also includes an interactive...

This article gives a detailed explanation of how transgression and regression of sea levels work to create deposits of sedimentary rocks. Illustrations show the layering that takes place over time. The article discusses how geologists...

Describes how the process of science works the same whether at the microscopic level or over a long period time. Clearly explains what a theory and a hypothesis are, and what an over-arching theory is.

Article discusses the science of epigenetics, where gene activity can be changed by factors other than genetic code, for example, by environmental pollutants. (Published: August 22, 2011)

A medical innovation that might eliminate prolonged infections and speculated healing. Check out this new idea of 'smart' stiches that notify caregivers if something is going wrong during the healing process.

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on clouds. Review questions are included at the bottom of the study guide.

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on local winds. Review questions are included at the bottom of the study guide.

Jonathan J. O'Sullivan describes how milk is made. [5:23]

A good first step to read. This set of recommendations or advice comes from the California State Science Fair Committee. Read carefully the first three paragraphs and the "Students are advised" paragraph.

Sublimation is what happens when matter goes straight from solid to gas. Check out the details of the process.

Here is described a simple process to 'put a voice on a sunbeam' and transmit it over a distance. It is a fascinating example of amplitude modulation of light using sound vibrations. It then describes how the modulated light is detected...

Read to find out how creativity has played a significant role during experimentation.

An explanation of how data can be turned into visual forms which can help people comprehend information easier than observing numbers.

An explanation of how statistics allows scientist to explore the degree of uncertainty that accompanies conclusions that are based on data collected during experimentation and research.

Learning module looking at scientific explanations. Discussion covers theories and how they develop, some well-known theories and their origins, and how theories are revised and refined. Also, covers hypotheses and laws. The three...

For this lesson, students will explore how water is continually cycled among land, the oceans, and the atmosphere.