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Grades 9-12

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Activity

How To Mount Dried Plants

You've dried and perfectly pressed your plants. Now what? See how to mount and protect your specimens so you can study and enjoy them for years to come.

The Expanding Universe

Science Bulletin

Our Expanding Universe

In 1998, astrophysicists discovered a baffling phenomenon: the Universe is expanding at an ever-faster rate. Either an enigmatic force called dark energy is to blameor a reworking of gravitational theory is in order. In this new Science Bulletins video, watch a Fermilab team assemble the Dark Energy Camera, a device that could finally solve this space-stretching mystery.
Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. Each Bulletin is produced by AMNHs curatorial and scientific staff and a team of video producers, designers, writers, and educators using state-of-the-art technologies such as high-definition video and 3-D computer graphics to present the latest research.

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Science Bulletin

The Ecology of Climate Change

The boreal forest, which stretches across northern latitudes just south of the Arctic Circle, is a key region for studying climate change—and not just the impacts. Follow ecologists into Alaska's boreal forest to learn more in this new Science Bulletins video.
Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History. Each Bulletin is produced by AMNHs curatorial and scientific staff and a team of video producers, designers, writers, and educators using state-of-the-art technologies such as high-definition video, data visualization, and 3-D computer graphics to present the latest research.

bighorn sheep

Curriculum Materials

Bighorn Sheep

Major highways that connect Los Angeles and Las Vegas run through major habitats of bighorn sheep. These highways allow travel between Los Angeles and Las Vegas in just four hours, but what do they mean for the sheep?

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Educator Guide, Video

Scientist Profile: Dr. Clinton Epps

Video profile of Dr. Clinton Epps, who studies bighorn sheep populations.  Includes discussion questions about scientific practice and how scientists use DNA to study populations.

Polluted Water Keep Out

Curriculum Materials

Winter Roads

In winter, salt is regularly applied to melt ice on roads in the Northeast. But road salt runoff drains into streams and drinking water. Scientists have been testing freshwater in three regions of the Northeast for thirty years. The salt buildup has made some urban, suburban, and rural streams 25 percent as salty as seawater.

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Article

Light: Its Secrets Revealed

Did you know that when you look at a star, your eyes are capturing light that traveled all the way from the star to your eye? Learn more about how light carries information from distant objects.

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Educator Materials

Detecting UV Light

You can't see the Sun's ultraviolet rays with your eyes—you just see their results on your freckled, tanned, or sunburned skin. Build a bracelet that immediately detects these invisible rays.

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