Food Web

This short video segment from IdahoPTV's D4K illustrates how a food web works.

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Forests

This video segment from IdahoPTV's D4K describes rain, temperate and boreal forests and some of the animals that live in them.

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Fossils

This video segment from IdahoPTV's D4K explains how fossils are formed, discusses the Hagerman Horse fossil found in Idaho. It describes the tools Paleontologists use and why they study fossils.

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Frenetic Genetics

Students learn about the types of genetic information contained in the human genome – physical traits, behaviors, and propensity for diseases, in this video from Faces of America.

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Frogs

A boy named Ben learns about the dangers of invasive species—in this case, frogs—in this animated video from LOOP SCOOPS.

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From the Cystic Fibrosis Gene to a Drug

In this video excerpt from NOVA, find out how the discovery of a gene defect has led to the development of a new drug to treat patients with cystic fibrosis.

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From DNA to Protein

This narrated animation schematically shows the process of protein synthesis. Adapted from Interactive NOVA: "Secret of Life."

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From Ridge to Reef: Adapting to a Changing Climate

Explore Pacific high island and atoll ecosystems, learn about the threats to island resources and residents, and discover how communities are preserving their future, in this interactive activity adapted from the Micronesia Conservation Trust.

From Seed to Flower

Watching plants grow is like watching paint dry: It happens so slowly that the changes are imperceptible from one moment to the next -- and yet the end results are dramatic. This video segment shows just how amazing plant development can be by depicting various phases of the process using time-lapse photography. Footage from NOVA: "The Shape of Things."

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From Seed to Fruit

Children get a glimpse of what happens underground in the life of a cherry tomato plant in this original animated video from KET.

From Seed to Fruit Interactive

Children get a glimpse of what happens underground in the life of a cherry tomato plant in this original animated video from KET.

From Wilderness, to Wilderness

This video segment from Nature: “Radioactive Wolves” examines the evolution of part of the Pripyat Marshes under Soviet rule from wetland wilderness to agricultural and nuclear powerhouse and back again after the 1986 Chernobyl nuclear disaster.

Frozen Frogs

This video segment adapted from NOVA scienceNOW shows how the common wood frog freezes solid every winter, an adaptation that allows the organism to survive the cold winter.

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The Function of Sleep

In this video segment adapted from NOVA scienceNOW, discover what researchers are learning about sleep by examining the dreams of rats.

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Gallery of Cells

While all cells have a great deal in common, there is no end to the variation among them. These images provide a sense of the wondrous diversity found in the world of cells.

Gallery of Visual Illusions

Are your eyes playing tricks on you? Discover more about eyesight and the brain as you test your eyes with these visual illusions adapted from the University of Washington's Neuroscience for Kids Web site.

Garbage

A boy named Oliver learns how to reduce the amount of trash he discards, in this animated video from LOOP SCOOPS.

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Gel Electrophoresis

This interactive activity from the Dolan DNA Learning Center illustrates the process of gel electrophoresis, in which DNA fragments are separated by size as they migrate at different rates through a gel matrix.

Gene Cloning

This interactive activity adapted from the University of Nebraska's Library of Crop Technologies details the steps involved in producing clones of genes that can then be used to transform the characteristics of an organism.

Gene Control

The development of creatures that appear to have nothing in common is directed by a surprisingly small number of genes. In this video segment, learn about the power of master control genes. Footage from The Secret of Life: "Birth, Sex & Death."

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