Getty Images
Aerial Hula Lake in the Upper Galilee, Israel, Hula valley, Israel
Aerial Hula Lake in the Upper Galilee, Israel, Hula valley, Israel
Getty Images
Aerial Hula Lake in the Upper Galilee, Israel, Hula valley, Israel
Aerial Hula Lake in the Upper Galilee, Israel, Hula valley, Israel
NPR: National Public Radio
Npr: Climate Connections: Videos From the "Wild Chronicles'
NPR provides access to a menu of videos, produced by the PBS series "Wild Chronicles," about scientific inquiry into the evidence of climate change around the world. Series episodes include "Counting Penguins," which illustrates how...
Bozeman Science
Bozeman Science: Environmental Systems
Paul Andersen explains how matter and energy are conserved within the Earth's system. Matter is a closed system and energy is open to the surroundings. In natural systems steady state is maintained through feedback loops but can be...
American Geosciences Institute
American Geosciences Institute: Big Idea 8: Natural Hazards Affect Humans
Watch how natural hazards occur, how they affect our lives and what we can do to prepare for and mitigate their effects. [4:27]
PBS
Pbs: Simple Solutions: The Engineering Design Process
In this video, mechanical engineer Amy Smith explains the design process for an innovation that enables people in isolated villages to determine whether their water supplies are free of dangerous bacteria. Included are teaching tips and...