[Free Registration/Login may be required to access all resource tools.] Why do you need air to live? Of course if you didn't breathe, you couldn't survive. You need the gas oxygen to perform cellular respiration to get energy from your...

[Free Registration/Login may be required to access all resource tools.] Breathing is only part of the process of bringing oxygen to where it is needed in the body. After oxygen enters the lungs, what happens? Learn more about processes...

Understand the water cycle.[Free Registration/Login may be required to access all resource tools.]

A brief overview of the body of science, including the purpose of doing scientific work.

Cryopreservation-storing seeds in ultra-cold liquid nitrogen-is one method for maintaining plant genetic stocks in seed banks. The purpose of this project is to observe the characteristics and outcomes of cryogenically frozen seedlings...

Students explore how Earth processes shape the land, and how important managing the land can be in response to these natural activities.

[Free Registration/Login may be required to access all resource tools.] Instructional videos, grade-level texts, interactive activities, and quick assessments about rocks and processes of the rock cycle.

[Free Registration/Login may be required to access all resource tools.] A complete, web-based, multi-media textbook covering a wide variety of Earth science concepts for middle grades.

This clickable web page is like an outline that comprehensively covers the science of composting. Each link takes you to another section of notes.

Several short, prototypical programs exploring the basics of computer programming with Processing.

Whether an advanced Processing developer or completely new, whether a pro with web technologies or just getting started, Processing.js bridges the gap between these two powerful technologies.

[Free Registration/Login may be required to access all resource tools.] Describes the water cycle.

This unit covers the processes of photosynthesis, extinction, biomimicry and bioremediation. In the first lesson on photosynthesis, students learn how engineers use the natural process of photosynthesis as an exemplary model of a complex...

Use this convenient table to compare Webb's Depth of Knowledge levels with Bloom's Cognitive Process Dimensions for Math and Science.

A great lesson plan that uses crayon shavings, aluminum foil, and hot water to introduce the three main types of rocks and the processes needed to form them. Included are the lesson objectives, vocabulary, and step-by-step procedures to...

This hands-on science activity allows students to use a stream table to learn about the processes of erosion and stream-bed formation. Students will understand the effect of water speed on erosion rate and stream formation.

A lesson using the strategy of structured academic controversy where students explore the roots of differing perspectives on evolution, In the process, they develop a deepened understanding of science and religion, and tolerance for...

The Canada Science and Technology Museum tells the story of the evolution of the washing machine. Starting from the laborious laundry procedure of washing clothes by hand, learn how laundry was first mechanized. Then, came the...

All about plants has information on plant parts--seeds, flowers, fruits, roots, and spores--and plant processes--seed dispersal, germination, pollination, and photosynthesis. You can also take a tour of this Los Angeles-based...

An 81-page slideshow that looks at the principles of geology with respect to relative dating, at different concepts describing geological processes, at absolute age and radiometric dating, at the eons and eras in the geologic time scale,...

Online textbook reviews fundamentals of chemistry and physical science via slideshow presentations, notes, and videos. Materials for classroom activities engage students in inquiry-based, hands-on investigations covering molecular...

Online textbook reviews fundamentals of chemistry and physical science via slideshow presentations, notes, and videos. Materials for classroom activities engage students in inquiry-based, hands-on investigations covering molecular...

A video workshop examining how the Sun provides energy for all living things beginning with the process of photosynthesis. Presents current scientific thinking about energy transfer through the food chain as well as ways to deal with...

A lengthy essay on the Second Industrial Revolution in Europe and the United States in the late 19th and early 20th centuries. The author looks at seven major aspects of technology that were affected by the revolution and makes...