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Browse results: Science

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RESOURCE	GRADE LEVEL	MEDIA TYPE
Anglerfish This video segment from NOVA: "Animal Imposters" shows the lightning-fast strike of the anglerfish. Accessibility features: Audio Description, Caption	6-8	Video
Arctic Climate Perspectives This video, adapted from material provided by the ECHO partners, describes how global climate change is affecting Barrow, Alaska. Accessibility features: Audio Description, Caption	6-9	Video
Bee Navigation This video segment from NOVA: "The Mystery of Animal Pathfinders" explores honeybee communication and navigation. Accessibility features: Audio Description, Caption	6-8	Video
Beneath the Waters of Cocos Island The nutrient-rich waters surrounding Cocos Island set the stage for astounding predator-prey interactions, as seen in this video segment from NOVA: "Island of Sharks." Accessibility features: Audio Description, Caption	6-8	Video
Caves: Extreme Conditions for Life This video segment adapted from NOVA raises the provocative idea that if life can exist in the most extreme environments on Earth — such as in dark, toxic caves — then perhaps living things can also survive in harsh environments on other planets. Accessibility features: Audio Description, Caption	6-12	Video
Cell Differentiation In this video segment from The Secret of Life school video, "Sex and the Single Gene" follow as a single fertilized egg cell divides, differentiates, and assembles into the tissues and organs of a new organism. Accessibility features: Audio Description, Caption	6-12	Video
Dating Lava Flows on Mauna Loa Volcano, Hawaiʻi In this video segment adapted from NOVA, scientists search for carbonized remains of plants preserved in lava flows to find out how long it has taken rain forests on Hawaiʻi to regenerate after a volcanic eruption. Accessibility features: Audio Description, Caption	3-12	Video
Deep-Sea Vents and Life's Origins Deep-sea vents are home to life forms that do not rely on the Sun's energy. They depend instead on energy from volcanoes on the ocean floor. This video segment adapted from NOVA hypothesizes that life on Earth may have begun in this extreme environment. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Deep Sea Vents and Life's Origins Deep-sea vents are home to strange, luminescent life forms that thrive through chemosynthesis. This video segment from NOVA: "Volcanoes of the Deep" hypothesizes life's beginnings in this extreme environment. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Desert Biome This video segment from NOVA: "A Desert Place" describes the physical characteristics and organisms that define the desert biome. Accessibility features: Audio Description, Caption, Transcript	3-12	Video
Fever! This video describes the role of the brain in regulating body temperature and how sometimes fever is employed to fight off infection. Accessibility features: Audio Description, Caption	6-8	Video
Floral Arrangements Explore a few of the ways plants pollinate each other in this video segment from Sexual Encounters of a Floral Kind. Accessibility features: Audio Description, Caption, Transcript	6-12	Video
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." Accessibility features: Audio Description, Caption	6-12	Video
Germinator This ZOOMSci video segment teaches you how to germinate seeds in a plastic bag and helps you understand some of the factors that influence the germination process. Accessibility features: Audio Description, Caption, Transcript	K-8	Video
How Cancer Cells Grow and Divide This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body. Accessibility features: Audio Description, Caption, Transcript	6-12	Video
Human Genome Project This video segment from NOVA: "Cracking the Code of Life" looks at the meaning and significance of the effort to decode the human genome. Accessibility features: Audio Description, Caption	6-12	Video
Immune Cells in Action In this video segment from The Secret of Life Teaching Modules: "Nothing to Sneeze At: Viruses," watch as a virus attacks a cell, and learn how the immune system reacts to this onslaught. Accessibility features: Audio Description, Caption	6-12	Video
Ingredients for Life: Carbon This video segment adapted from NOVA illustrates why carbon is at the center of life on Earth. It also asks whether carbon-based life might exist on other planets. Accessibility features: Audio Description, Caption	6-12	Video
Marathon Migrators This video segment from NOVA: "The Mystery of Animal Pathfinders" explores how the migratory patterns of shorebirds have evolved to coincide with the spawning of horseshoe crabs. Accessibility features: Audio Description, Caption	6-8	Video
Masters of Disguise In the face of danger, what's a spineless animal to do? This video segment introduces the concept of camouflage -- how animals achieve it and how this form of disguise benefits both predators and prey. Footage from NOVA: "Animal Impostors." Accessibility features: Audio Description, Caption, Transcript	K-12	Video
Metamorphosis: Change of Plans All animals develop and grow over time. The animals in this video segment, however, undergo very dramatic changes on their way to adulthood -- a developmental process known as metamorphosis. Accessibility features: Audio Description, Caption, Transcript	K-5	Video
Mitosis This video segment, adapted from the Interactive Secret of Life videodisc, explains the stages of mitosis, the process of dividing equally a cell's massive jumble of DNA just prior to cell division. Accessibility features: Audio Description, Caption	6-12	Video
Ruminants Why do cows chew their cud? This video segment from Secret of Life: "Accidents of Creation" describes the physical adaptations that have made ruminants some of the most important, and certainly the most efficient, plant eaters on earth. Accessibility features: Audio Description, Caption	6-12	Video
Single-Celled Organisms This video segment explores the astounding diversity of the world's smallest life forms: single-celled organisms. Accessibility features: Audio Description, Caption, Transcript	6-12	Video
Snapshot of U.S. Energy Use This video segment adapted from NOVA/FRONTLINE looks at American energy consumption and the resulting production of greenhouse gases. Accessibility features: Audio Description, Caption	3-12	Video
Unhinged! This video segment explores the integral relationship between structure and function in snakes. Accessibility features: Audio Description, Caption	6-8	Video