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How to Build a Spectroscope

Using a spectroscope you can see that a single color of light is really comprised of a combination of colors, called a spectrum.


Growing Slime Mold

This activity can be a little difficult, because you are dealing with living cells. But the results are well worth the effort.


How to Build the Shop Version of the Light Island

The Light Island is an excellent teaching tool. It can help teach about shadows, reflection, refraction, and color.


Affordable Online Courses

Introduction to Cell Biology
Do you want and/or need to learn about molecules and how they make up cells? Do you want and/or need to learn about mitosis and meiosis? This course will focus on these topics. Learning about molecules, cells, what makes up those cells, and how those cells make up animals and humans is information needed in many careers as well as applicable to everyday life.

Ecology Basics
Do you have an interest in the environment? Do you want to learn how organisms interact with their environments? This course is designed for students interested in learning about the basic principles of ecology. It will cover topics of ecology in four different components: organisms, populations, communities, and ecosystems.

Introduction to Physical Geography
This is a non-technical introduction to Physical Geography. Physical Geography is the study of the physical side of Earth. This includes the four spheres of Earth, and in this class you will understand how Earth spheres interrelate. We will examine the atmosphere, biosphere, lithosphere, hydrosphere and other valuable information. This class will explore the dynamics of Earth's physical side, and provide information about the Earth, probably not known to most.


Exploring the Environment

The vision of the ETE online series is to promote science-literate and reflective students who are knowledgeable of the earth's processes and their responsibilities for stewardship.


Succeed in Physical Science

The purpose of these free online lessons is to give you a start at improving your scientific knowledge.


Introduction to Viruses

In 1898, Friedrich Loeffler and Paul Frosch found evidence that the cause of foot-and-mouth disease in livestock was an infectious particle smaller than any bacteria.


The Learning Web at the US Geological Survey

Dedicated to K-12 education, exploration, and life-long learning.  Learn how Biology, Geology, Hydrology, and Geography can help us understand our changing world.



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