PBS
Pbs Learning Media: Building the Channel Tunnel
How do you build a tunnel 32 miles long--under water? This video segment, adapted from the PBS series "Building Big," follows the construction of the Channel Tunnel (nicknamed "Chunnel"), the engineering wonder that connects England to...
PBS
Pbs Learning Media: Arctic Climate System
Learn how the Arctic is a part of a global climate system in this video segment adapted from the National Film Board of Canada.
PBS
Pbs Learning Media: Radiometric Dating
In this video segment from A Science Odyssey, scientists explain how Earth's age was determined by examining the radioactive rocks in Earth's crust.
PBS
Pbs Learning Media: Asexual Reproducers
This video segment explores the benefits and pitfalls of cloning as a means of reproduction. From Evolution: "Why Sex?" [3:17] Accompanied by a short background essay.
PBS
Pbs Learning Media: Metamorphosis: How Frogs, Dragonfiles & Butterflies Grow
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. [4:45]
PBS
Pbs Learning Media: Experimenting With a Pendulum
In this video segment, members of the ZOOM cast experiment with a pendulum and discover what they need to do to make the pendulum complete one back-and-forth swing in five seconds. [3:57]
PBS
Pbs Learning Media: Lightning!
This video segment adapted from NOVA explains the mysterious force of lightning.
PBS
Pbs Learning Media: Galileo's Inclined Plane
How did Galileo figure out the mathematics of falling bodies? This video segment adapted from NOVA examines Galileo's work on motion. [4:00]
PBS
Pbs Learning Media: Electric Girl
Anna loves electricity. Watch her construct a homemade flashlight and show off her new, electrifying hairdo in this video segment from ZOOM. [3:05]
PBS
Pbs Learning Media: Exploring Windmill Design
In this video segment adapted from ZOOM, cast members are challenged to design a windmill that can be powered by a hair dryer. [3:38]
PBS
Pbs Learning Media: People of the Arctic
This video segment adapted from the National Film Board of Canada explores how the Inuit people have adapted their traditions and ways of life to changing environmental realities. The video features archival footage and interviews in...
PBS
Pbs Learning Media: Guess How Whales Hear!
This video segment explores how one marine biologist used the scientific process to discover how whales hear. [5:58]
PBS
Pbs Learning Media: Measuring Length Precisely
In this Cyberchase video segment, the CyberSquad must measure the length of the rope that will lower Digit from the ceiling to remove the voice box from a statue of Hacker.
PBS
Pbs Learning Media: Designing a Paper Bridge
In this video segment adapted from ZOOM, cast members make a bridge from a single piece of paper. Will it be strong enough to hold a hundred pennies? [3:41]
PBS
Pbs Learning Media: Clifton Suspension Bridge
This video segment from "Building Big" illustrates the basic design principles of the Clifton Suspension Bridge in Bristol, England. [2:00]
PBS
Pbs Learning Media: Hoover Dam
This video segment from "Building Big" demonstrates the basic principles at work in the Hoover Dam, a concrete gravity dam that also makes use of the properties of the arch. [1:18]
PBS
Pbs Learning Media: Arch Bridge
This video segment adapted from "Building Big" illustrates the strength of the arch in bridge design and construction. [1:47]
PBS
Pbs Learning Media: Density and Buoyancy: Testing Liquids
Will a grape float in oil? Will a metal nut sink in corn syrup? Watch as the ZOOM cast tests the buoyancy of a variety of liquids and objects. [4:22]
PBS
Pbs Learning Media: Global Warming: The Hydrogen Car
Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology. Uses popups. [1:26]
PBS
Pbs Learning Media: Curious George: Measure Up
In the video George Measures Up, Curious George needs to measure a tall building for Chef Psighetti. First he uses himself and then realizes he can use a measuring tape instead. As children explore the concepts of measuring, they learn...
PBS
Pbs Learning Media: Desert Biome
This video segment from NOVA: "A Desert Place" describes the physical characteristics and organisms that define the desert biome, and how living things adapt to this environment. [4:58] Includes background reading material and discussion...
PBS
Pbs Learning Media: Cyberchase: Design for Function
Cyberchase video in which the CyberSquad uses the design process to create an invention that will help them navigate some tricky terrain. Includes background reading and discussion questions. [3:52]
PBS
Pbs Learning Media: Earth as a System
This visualization adapted from NASA maps progressive global changes onto a rotating globe. Earth's atmosphere, hydrosphere, geosphere, and biosphere are shown to be dynamic and interconnected.
PBS
Pbs Learning Media: Losing Permafrost in Alaska
In this video segment adapted from Spanner Films, learn how Alaska Native communities that rely on hunting and fishing are threatened by rising temperatures and melting permafrost.