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Illustration of a windmill. Caption: which spins a generator to create electricity.

Wind is a natural resource that is readily available and virtually everywhere. Humans have been harnessing the power of the wind for around 2,000 years. The Dutch made the windmill famous. Defines the process of turning the kinetic energy of the w...Read More

A large bank of solar panels. Photovoltaic cells. Caption: Or on a smaller scale by using photovoltaic cells.

Solar power is defined as the energy produced by converting sunlight into heat or electricity. It is one of the most abundant and affordable sources of energy available. However, it is difficult to harness (and even impractical) in some parts of t...Read More

Person in a hard hat looking at a pressure gauge attached to industrial pipes. Caption: You can't build a plant just anywhere.

Geothermal energy is one of the oldest renewable resources used by humans. It has been used since the ancient Roman times as a heat source. Recently, it has been harnessed and used as a source of power. Explains a few different ways that geotherma...Read More

Wide shot of a factory with flames and plumes of smoke emanating from the chimneys. Caption. Where many people work to make cars and trucks.

Shows how communities are similar to each other and what makes them each different, featuring dramatic reenactments along with maps and graphics. Explores how the natural resources and people of a community affect the traditions, culture, and way ...Read More

Microscopic view of a transparent tube-shaped organism. Caption: an energy reserve the cell can draw on

Part of the "Branches on the Tree of Life" series. The term "protist" covers a wide range of microscopic organisms formerly clumped into "Kingdom Protista." New molecular analyses show that the protistan lines of evolution go so far back in time t...Read More

Closeup of a shiny brown bird-like mask with a red beak and dark eyes. Caption. They also carved elaborate masks made of wood for ceremonies.

Part of the "Exploring Our Past" series. Explores the lives of early first peoples of the Northwest through live footage, archival photos, and colorful graphics. Shows the daily life of these people on how they gathered food, how they used the wea...Read More

Black woman faces away from camera and looks over her right shoulder within a forested setting. Caption. The journey for Harriet was long and hard.

Part of the "America's Journey Through Slavery" series. Millions of enslaved African-American women, men, and children lived in the United States less than 200 years ago. During that period of American history, many brave women and men attempted a...Read More

Black man in a white tunic stands on a platform to the right of 2 men in suits and top hats. Caption. To stand on a raised platform.

Part of the "America's Journey Through Slavery" series. Explores the daily life and customs of enslaved children and adults from Colonial times through the Emancipation. What foods did they eat? How did they celebrate marriage? What role did singi...Read More

2 parallel lines outline grooves between wood planks and are intersected by a diagonal line. The 2 angles formed are labeled, "130 degrees" and "50 degrees." Title card reads, "Summary. Angle relationships." Caption. But they add to 180 degrees.

Provides viewers with an introduction to key concepts involved with angles, such as how to define and write information about an angle, mathematical notation for rays, line segments, and lines, and how to use a protractor. Illustrates obtuse and a...Read More

A child wearing a harness next to a woman. Caption: here at the Kennedy Space Center.

Features Emily, the six-year-old host, who gets hands on with the Humane Society and paramedics, visits the post office, trains to be an astronaut, and learns about water safety. Using a natural, unscripted format, Emily investigates the world thr...Read More

1 woman and 9 children, all wearing warm clothing, stand in front of a house decorated for the holidays. They are all holding songbooks and caroling. Lyrical caption. Frosty the Snowman knew the Sun was hot that day.

Features Emily, the six-year-old host, who celebrates Christmas and learns how to make Christmas cookies, Chanukah latkes, the Muslim traditional dessert seviya, and Kwanzaa cornbread. Using a natural, unscripted format, Emily investigates the wor...Read More

Overhead shot of a man sitting in a chair and leaning over to look down at his prosthetic leg. Caption. Disabled people are just like anybody else.

PHAMALY stands for the Physically Handicapped Amateur Musical Actors League. This troupe doesn't cut any corners or make any compromises. The musicals they perform are chosen for their appeal to the audience, not because they are "easy" for the pe...Read More

Illustration of a bird and a first-generation plane with ribbed wings. Caption: They become focused on flight.

First in the series of three productions designed to let students learn by doing, guiding them through the science and history behind the Wright Brothers' invention of powered flight. This first component contains six ten-minute segments that expl...Read More

Still image from: Lab Six: Natural Science (Spanish)

Natural science is one of the branches of science concerned with the description, understanding, and prediction of natural phenomena based on empirical evidence from observation and experimentation. This series tackles different science topics in ...Read More

Four South African women all wear tan hats and green tactical shirts. They all sit next to each other, leaning against a table as they listen to someone talk. Behind them on the wall is a white board with a chart on it.

Host Niall McCann talks to Damien Mander, a former special forces soldier who founded the IAPF. His organization trains and employs teams of all-female rangers to combat poaching across Southern Africa. Please note this title contains descriptions...Read More

White ball with craft eyes sits on top of a red, plastic pedestal. 1 side of the ball has its outer layer torn away and exposing the ball's inner core. It appears to have been damaged by some type of impact.

Kinematics aims to provide a description of the spatial position of bodies or systems of material particles, the rate at which the particles are moving (velocity), and the rate at which their velocity is changing (acceleration). Problems involving...Read More

Diagram of two tectonic plates in the Earth's crust shifting in opposite directions. Caption: and energy is released, resulting in an earthquake.

Through descriptions of actual volcanic and earthquake occurrences, students will discover how these dynamic forces affect the world. This video discusses the nature and causes of earthquakes and volcanoes. Other topics covered include molten rock...Read More

Man with cartoon image of Mark Twain in background. Caption. Communication is what it's all about.

Four teenagers compete in an essay writing contest judged by Aristotle, Shakespeare, and Mark Twain. Each essay--descriptive, persuasive, narrative, and expository--is read, and each judge comments on its structure and organization, accuracy of c...Read More

ASL

Man holds up his hands, gesturing in sign language. Caption. You should receive an annual screening exam for prostate cancer.

Provides information for deaf and hard of hearing men concerning the description, risk, detection, and treatment of prostate and testicular cancer. Treatment options for prostate cancer include watchful waiting, surgery, radiation, hormones, cryos...Read More

Illustration of different physical attributes such as nose shape, foot arch, and eye shape. Caption: have been selected at random from the DNA of our parents.

Provides an overview of how attraction, desire, and sexual coupling lead to conception. Covers the physiological events underlying the process of reproduction. NOTE: graphic content. Accessibility options on the DVD are: (1) audio description, (2)...Read More

Microscopic view of cells. Caption: in the fluid that bathes the cells.

Shows the crucial part water plays in the body's functioning and the system for keeping it in balance. Drinking, sweating, and breathing are covered. The urinary tract is analyzed in detail, with particular attention to the functioning of the kidn...Read More

Diagram of a human head with the path from the nostril to the sinuses highlighted. Caption: To get the full benefit of the smell,

Reviews appetite and hunger. Shows the actions of a salivary gland, the swallowing reflex, and the powerful churning of the stomach as food is broken down and processed. Accessibility options on the DVD are: (1) audio description, (2) English subt...Read More

Closeup of the top view of the human brain. Caption: Many of the body's mysteries lie in the brain,

Recapitulates and reviews the principal messages of the curriculum as it summarizes the functions and designs of the body's major systems and organs and the methods by which they interact. NOTE: Contains some nudity. Accessibility options on the D...Read More

Crash test dummy in the driver's seat of a vehicle. Caption: [tires squeal]

Part of the "Active Physics, Third Edition" series. Contains the following sections: "Using Models: Intersections with a Yellow Light," "Sports Montage Introduction," "Conservation of Energy: Defy Gravity," "Safety Montage Introduction," "Accelera...Read More

Two parallel strands twisting around a central axis. Caption: Each strand is made up of a chain of nucleotides.

Part of the "Visualizing Cell Processes" series. Includes the following modules: "Mitosis: Chromosome Condensation," "Mitosis: Stages," "Cytokinesis," "Meiosis," "Nucleotide Structure and Bonding," "Replication Enzymes," "Replicating the Strands,"...Read More

Man dressed as Zeus speaking to a man seated behind a desk with a microphone. Caption. Dwight, this is my wife, Hera.

Investigates Ancient Greece, the Greek and Roman mythology stories, and gives detailed descriptions and information about the Greek gods and goddesses mentioned in these myths in a talk-show format. Also explores the art of storytelling through th...Read More

Scene transition shows a black steam engine train with the label, Central of Georgia, and a closeup on the nose of the train with the number 8. Caption. Afterwards, we steam on ahead to the Railroad Museum.

Description: In this episode, city experts stroll the beautiful city squares of Savannah, GA. A visit to Old Fort Jackson is also on the agenda. After discovering Savannah's role in the Civil War, viewers tour the Tybee Island Light Station and M...Read More

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59 media results found for 'description'