Understand the processes behind the nature of science.

This NSTA vetted source includes resources to teach ideas on reducing the impact of humans on the environment. Included are assessment ideas, videos, examples, lesson plans, and photos of student work.

Work samples, phenomena, assessment templates, and videos that directly address standard 4-ESS3-1: renewable and non-renewable energy.

Do you need some materials to help you do a lesson on synthetic materials? This site contains work samples, phenomena, assessment templates, and videos that cover the materials synthetic materials come from and how they impact society.

Work samples, phenomena, assessment templates, and videos that directly address standard 4-ESS3-2: natural hazard design solution.

Hair strands can be used as the basis for a hygrometer, a device which measures the humidity level in the air. The goal of this project is to determine whether chemical lightening treatments affect the natural elasticity of human hair.

This comprehensive study guide covers the key terms and basic concepts needed for an intro to science unit.

For this lesson, students develop their own scientific experiment to test Newton's hypothesis that the acceleration of an object depends on the net force acting upon it and its mass. After completing their designed experiment, students...

A 36-page booklet of activities and experiments for exploring the properties of and nature of light. Includes a section on careers in optics. As this is a Girl Scouts booklet, it was created with girls in mind, but would be equally...

Discover how Charles Darwin developed the theory of evolution through his observations in the Galapagos Islands.

Why do we smell different when we're sick? Why does cheese smell like feet? Why don't vultures get sick from eating rotting meat? Science is filled with stories: some of them are beautiful and some of them are gross. Really gross. Gross...

This guide offers an overview of the field of psychology. Topics include human behavior, branches of psychology, and what psychology is. Archived.

Arches have been used for structural engineering since ancient times. This experiment tests the strength of a naturally occurring arch shape: the shell of an egg. How much weight do you think an eggshell can support?

Do you like your strawberry jelly with or without the seeds? Are you glad to have a seed-free watermelon, or do you enjoy spitting the seeds into the garden? You might not like to find seeds in your fruit, but fruit is nature's way of...

The oceans are a precious natural resource, part of Earth's carbon cycle. But what happens if the oceans absorb too much carbon dioxide? Many scientists are concerned that the increased absorption of carbon dioxide is causing them to...

Some molecules can be either left- or right-"handed." The left- and right-handed molecules have the same number and type of atoms, and their chemical structures look identical, but they are actually mirror images of each other. Many...

In this lesson, the teacher will read a book about different landforms. The children will learn about the features of the landforms and how they were shaped by natural forces. Then text features will be discussed. The children will then...

You've probably heard that compact fluorescent light bulbs are more efficient than incandescent bulbs. More of the electricity they use goes into producing light, and less into producing heat than with incandescent bulbs. How much more...

[Free Registration/Login may be required to access all resource tools.] Explores some of the factors that affect the cost of resources, such as availability, ease of extraction, and politics.

[Free Registration/Login may be required to access all resource tools.] The theory of evolution by natural selection means that the inherited traits of a population change over time. Inherited traits are features that are passed from one...

[Free Registration/Login may be required to access all resource tools.] Do you ever wonder why some birds are big like ostriches and some birds are small like robins? Or why a lion has a mane while a leopard has spots? In the 19th...

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

Through interactive activities and readings, students learn that natural resources can be renewable or nonrenewable, but sustainable use and management must be applied to ensure they are available for the long term.

This site offers an intuitive look at "Occam's Razor," the philosophical statement of the "principle of unnecessary plurality." Content focuses on the life and role of William Ockham; the history of this particular philosophy; as well as...