Grades 9-12

Building a Spectroscope

Curriculum Materials

Building a Spectroscope

White light is a mixture of all colors of visible light, but it doesn't always include every color of the rainbow. Build a spectroscope, and view the spectral fingerprints of different light sources.

Telescopes: Super Views from Space

Curriculum Materials

Telescopes: Super Views from Space

It probably comes as no surprise that telescopes do a better job of collecting light and observing outer space than your eyes. But do you know why? (Hint: the answer is NOT magnification!)

Evolution

Hands-on Activity, Classroom Activity

Evolution

Natural selection plays a large role in the evolution of a species. The following activity demonstrates this concept.

Selecting a Site

Article

Selecting a Site

What should you think about before selecting a site to study? The answer depends on what you want to know. Get tips from working scientists about how to hone in on the perfect site for you.

How to Identify Plants in the Field

Article

How to Identify Plants in the Field

When it comes to identifying plant species, making mistakes is part of the process. That's why this botanist and curator recommends, "Never erase anything!"

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