In this Cyberchase video segment, the CyberSquad figures out how to incorporate a new scene into their film while staying within their budget.
This Evolution video segment depicts the landmark hominid fossil finds by Don Johanson and his team in Ethiopia.
In this Cyberchase video, Inez and Digit identify the location of the transformation using their knowledge of parallel and intersecting lines.
In this video segment from Cyberchase, Harry has a fixed budget for clothing, so he must figure out what combination of jackets and pants he can buy with $100.
The CyberSquad has to find a crystal that is between 65% and 85% orange to power up their escape from Hacker in this video from Cyberchase.
This video segment adapted from NOVA explains how the sprinkler revolutionized fire safety and also features developments in fire-safety design for high-rise buildings.
In this video segment from Cyberchase, Harry decides to train as a firefighter and uses line graphs to chart his physical fitness progress.
In this video segment from Evolution: "Great Transformations," paleontologist Jenny Clack explains that vertebrates evolved fingers before they invaded land.
In this video segment from Cyberchase, the Teleporter breaks and the CyberSquad must try to fix it using clues given to them by Ms. Fileshare.
In this video segment adapted from NOVA, scientists investigate how farming along the Mississippi River impacts floods and what can be done about it.
This video segment from NatureScene features the area of the Congaree Swamp where the high ground and the flood plain meet. Learn how a few feet of difference in elevation on a floodplain can yield drastic changes in what youŰ__Ű__Çll find living there.
In this video segment from Cyberchase, the CyberSquad uses a graph to estimate how much the water level will rise in the Sensible Flats reservoir.
In this Cyberchase video segment, the CyberSquad finds the right combination switch, lever and button that will deactivate the force field protecting the stolen Black Crystal.
This media-rich essay from NOVA Online describes the challenges of forecasting volcanic eruptions and includes information about specific cases.
This video segment from NOVA: "The Killer's Trail" investigates the potential for DNA evidence to solve murder cases, even those from the distant past.
This video segment from Nature describes how glaciers eroded the bedrock of Irelandë_í__ landscape.
In this interactive activity adapted from the University of Utah's ASPIRE Lab, investigate frequency in terms of trampoline jumps, pendulum swings, and electromagnetic waves.
The CyberSquad tries to figure out how Hackerë_í__ cyberfrog moves when its various buttons are pressed, in this video from Cyberchase.
In this video from Cyberchase, the CyberSquad must figure out the new input/output pattern on Hackerë_í__ larger cyberfrog.
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."