Climate affects all of our lives, everyday. It determines our forms of shelter, clothing, and the food we eat. In the past, climactic changes caused whole populations to move, and is one theory for the reason behind the disappearance of the dinosaurs. This presentation traces the geologic changes the Earth has undergone in the past 100 million years, from warm, swampy, and sea covered, through the Ice Age, to the eventual warning and shrinking of the polar ice caps and the relative stabilization of our present cay climate and continental conditions.
29 mins. | IV191D $32.95 DVD
29 mins. | IV191V $29.95 VHS
Join an international team in the largest experiment ever attempted - the study of the effects of weather worldwide. “The photography is vivid and inviting, and the narration is dear, precise and appropriate for both students of meteorology/climatology and interested lay audiences. . . exceptionally well done” - AAAS Science Books & Films (September/October, 1981). Winner: CINE Golden Eagles; Silver Hugo, Chicago Film Festival.
28 mins. | IV192D $32.95 DVD
28 mins. | IV192V $29.95 VHS
Do you know how to respond to a flash flood warning? Avoid low-crossing bridges, check weather conditions before leaving home, carry a battery-operated radio... these are just a few pointers offered through this interesting and informative presentation. Replacing myth with fact, this program shows you how to react when a flash flood occurs. Rain can transform a tranquil stream into a raging flood... and being prepared may pay off some day. Produced by the National Weather Service, 1980. This kit includes a wallet-size card listing the flash flood safety rules.
30 mins. | IV187D $32.95 DVD
30 mins. | IV187V $29.95 VHS
If you organization is involved or interested in civil preparedness, then you'll want to take a look at this program from the national agency that monitors our safety. It describes the observing system of satellites, reconnaissance planes, and coastal radar, plus information on the frequency of preparation for hurricanes. The script will allow you to incorporate data from your locality. Prepared by the Disaster Preparedness Staff of the National Weather Service, 1975.
24 mins. | IV188D $32.95 DVD
24 mins. | IV188V $29.95 VHS
“Recycling: The Choice Is Yours” is an overview of recycling and the many aspects that affect it. This documentary traces the journey of recyclable materials through the recycling chain back to the consumer. Landfills are looked upon in a new light as potential recreational areas. Not only is one informed about interesting products from recyclable areas and materials (like plastic lumber), an explanation is also given for the way plastics are numbered. Recycling methods are shown in areas as diverse as farms and schools. Issues like legislation and markets are touched upon. Alternatives like reduction are looked at by examining differences in packaging. This documentary also goes international by finding out how other countries recycle. Recycled materials are even used in the making of the documentary itself! At the end, the viewer is left with a choice to recycle or not to recycle...
55 mins. | IV217D $32.95 DVD
55 mins. | IV217V $29.95 VHS
This is a very exciting video. It was shot in space using recent astronauts. It shows the principles of weightlessness in space and Newton's three principles of motion and how they apply to earth and space. Terrific computer animation helps to illustrate important physics concepts such as Weight, Gravity, Mass, Force, Acceleration and Motion.
14 mins. | IV193D $32.95 DVD
14 mins. | IV193V $29.95 VHS
This video program shows students what is beneath their feel as they explore the earth all the way down to the core. Using the latest data from seismic (earthquake) reading and deep well sampling this DVD explains the crust, the mantle, the Moho layer, the outer and inner core of the planet earth. Great as an introduction to the earth and to geology.
10 mins. | IV198D $32.95 DVD
10 mins. | IV198V $29.95 VHS
This DVD looks at the physics of light. It shows how scientists are looking at the exciting new aspects of light. The program defines and illustrates light and shows how visible light fits into the entire Electromagnetic Spectrum. While the program concentrates mostly on visible light, it looks at many properties of light including reflection, telescopes, lasers and holograms. The DVD makes excellent use of computer animations graphics and live action. Designed with natural breaks allowing teachers to stop and discuss each section. Superb animation helps illustrate difficult physics concepts for students.
19 mins. | IV194D $32.95 DVD
19 mins. | IV194V $29.95 VHS
Most people know that the water is unevenly distributed over the Earth's surface in oceans, rivers and lakes, but few realize how very uneven the distribution actually is. The World's oceans - 139 million square miles of it - contains 317 million cubic miles of Saltwater. The atmosphere is another kind of ocean and moves water vapor around the world until it falls as precipitation. This video examines the HYDROLOGIC CYCLE and shows the major water movement in the United States. This program also examines how Ground Water stores and releases water. The program also looks at Lakes, Major River Systems in the World. And looks at the World's estimated water supply. It also discusses how much water is stored in Continental and Alpine glaciers.
29 mins. | IVWW02D $32.95 DVD
29 mins. | IVWW02V $29.95 VHS