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Life Science: Botany

Resource	Grade Level	Media Type
Antarctica: A Challenging Work Day What happens when the ground under your feet is ice and it's moving? This video segment adapted from NOVA features some of the dangers faced by scientists conducting research in Antarctica.	3-12	QuickTime Video
Bee Navigation This video segment from NOVA: "The Mystery of Animal Pathfinders" explores honeybee communication and navigation.	6-8	QuickTime Video
Bt Corn This video segment from FRONTLINE/NOVA: "Harvest of Fear" looks at corn that has been genetically modified to resist one insect pest, and the multiple concerns it raises.	9-12	QuickTime Video
Build a Steroid In this interactive activity from NOVA, learn about the molecular structure of steroids. See the intermediate molecules that are part of the pathway for synthesizing cortisone from diosgenin.	9-12	Flash Interactive
Classical vs. Transgenic Breeding This video segment from FRONTLINE/NOVA: "Harvest of Fear" explains that genetic engineering and classical breeding both alter the genetic makeup of crop plants.	9-12	QuickTime Video
The Dating Game: Radioactive Carbon In this media-rich essay from the NOVA Web site, learn about the atomic structure of radioactive carbon and how it can be used to determine the age of organic remains, such as bones and teeth.	6-12	Shockwave Document
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.	3-12	QuickTime Video
Decomposers Without the work of decomposers, living organisms would eventually use up all the raw materials in the environment, and dead organisms and wastes would pile up. This video segment from Interactive NOVA: "Earth" describes the role of decomposers as the Earth's great recyclers.	K-5	QuickTime Video
Desert Biome This video segment from NOVA: "A Desert Place" describes the physical characteristics and organisms that define the desert biome.	3-12	QuickTime Video
Energy Flow in the Coral Reef Ecosystem This video segment, adapted from NOVA, describes the energy flow in a coral reef, including its food web.	3-12	QuickTime Video
Engineer a Crop: Transgenic Manipulation You're the geneticist now. In this interactive feature from the NOVA/FRONTLINE "Harvest of Fear" Web site, use the latest in genetic technology to engineer your own "supercrop" of tomatoes.	9-12	Flash Interactive
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."	K-5	QuickTime Video
Fuel Cells In this video segment adapted from NOVA scienceNOW, hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon?	6-12	QuickTime Video
Genetic Modification This video segment from NOVA: "Cracking the Code of Life" looks at the potential created by understanding the human genome.	9-12	QuickTime Video
Genetic Variation This video segment from NOVA: "Cracking the Code of Life" explores the genetic similarities and differences among organisms.	9-12	QuickTime Video
The Grand Canyon: Conservation and Development This video segment adapted from NOVA explores the effects of the Glen Canyon Dam on the beaches, wildlife, and vegetation of the Colorado River.	3-12	QuickTime Video
Guess What's Coming to Dinner? Browse through a table full of genetically modified (GM) foods to see what's available now and what's to come. From the FRONTLINE/NOVA: "Harvest of Fear" Web site.	9-12	Flash Interactive
How Did Life Emerge Here? This video segment adapted from NOVA describes the emergence of life on the islands of Hawaiʻi from a barren volcanic platform under the ocean waves to the rich explosion of life that covers the many climate zones of the islands today.	3-12	QuickTime Video
Illuminating Photosynthesis This interactive feature from the NOVA: "Methuselah Tree" Web site details the process of photosynthesis and its role in the oxygen/carbon dioxide cycle.	3-12	Flash Interactive
Intertidal Zone This video segment from NOVA: "The Sea Behind the Dunes" explores the community of organisms that exists in the New England tidal marsh.	9-12	QuickTime Video
Life Before Oxygen This Interactive NOVA: "Earth" video segment looks at ancient organisms that lived anaerobically, the origins of photosynthesis, and the new forms of life this process made possible.	3-12	QuickTime Video
Making Cortisone From Plants This video segment adapted from NOVA is a dramatized story of chemist Percy Julian’s work to synthesize cortisone. Find out how a biological process, not a chemical one, proved the key to producing cortisone in bulk.	6-12	QuickTime Video
Migration of the Monarch This video segment from NOVA: "The Mystery of Animal Pathfinders" explores the migratorial exploits of monarch butterflies.	3-8	QuickTime Video
Nature's Pharmacy In this interactive activity from NOVA, learn about chemicals in nature that are used in medicine.	3-12	Flash Interactive
Oil Spill: Exxon Valdez, 1989 This video segment adapted from NOVA follows the clean-up effort after the 1989 Exxon Valdez oil spill off the coast of Alaska. Also featured is a marsh where an oil spill occurred 20 years earlier; analysis suggests that environmental damage may last for decades.	6-12	QuickTime Video
Organic Farming: Conserving Top Soil Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil.	3-12	QuickTime Video
Photosynthesis This video segment from Interactive NOVA: "Earth" looks at photosynthesis, the chemical process plants use to make their own food.	3-12	QuickTime Video
The Reproductive Role of Flowers In this video segment adapted from NOVA, learn about the critical role of flowers in seed plant reproductive biology.	6-12	QuickTime Video
Ringed-Carbon Compounds In this interactive activity adapted from NOVA, learn about alkaloids and steroids, both examples of compounds with carbon rings. Short videos with interviews, animations, and photographs are featured.	9-12	Flash Interactive
RNAi Discovered In this video segment adapted from NOVA scienceNOW, learn how RNAi, a mechanism that has evolved in cells to prevent viral infection, was discovered and how it works.	9-12	QuickTime Video
Secrets in the Salt This video segment adapted from NOVA scienceNOW describes a team of scientists searching for evidence of ancient life within a salt deposit that formed 250 million years ago.	6-12	QuickTime Video
Shape of Things: Trees This video segment from NOVA: "The Shape of Things" describes the pervasiveness of branching systems, which are found in all multicellular organisms.	6-8	QuickTime Video
Should We Grow GM Crops? Learn the pros and cons of genetically modified (GM) crops, and cast your vote on whether they should be grown. From the FRONTLINE/NOVA: "Harvest of Fear" Web site.	9-12	HTML Interactive
Synthesizing an Alkaloid In this video segment, adapted from NOVA, learn how chemist Percy Julian revolutionized chemistry by synthesizing the alkaloid physostigmine from scratch—the first total synthesis of a chemical compound.	9-12	QuickTime Video
Synthesizing a Steroid This video segment, adapted from NOVA, tells the story of chemist Percy Julian's quest to make progesterone from a plant steroid, an important medical advancement of the 1940s.	9-12	QuickTime Video
Taking the Earth's Temperature This video segment from FRONTLINE/NOVA: "What's Up with the Weather?" depicts research efforts to record Earth's past and present temperatures shifts.	9-12	QuickTime Video
Viewpoints: Harvest of Fear What do the experts say about genetically modified (GM) foods? Read these interview excerpts from the FRONTLINE/NOVA: "Harvest of Fear" Web site to find out.	9-12	HTML Document