Pbs Learning Media: Liquid Assets: Public Health

Scientists study ice sheets because they influence weather and climate, playing a role in atmospheric and ocean circulation. Ice sheets can also have huge impacts on global sea levels because they store so much water. Explore this...

Throughout the 20th Century, the world has become a healthier place. By examining the public-health issues and diseases doctors faced during the 1900's, learners will compare and contrast life from today vs. life in the 1900's. Their...

Learn how New York City's drinking water travels from watersheds in upstate New York in this segment from the WPSU documentary Liquid Assets. [2:45]

The urban and rural activities of our complex social system aimed toward comfort and progress also have harmful side effects. This segment from a WPSU documentary Liquid Assets describes how the water resources of one city are suffering...

Water is a resource precious to so many people for so many reasons. Reckless use and abuse of this treasure can leave all at the mercy of diseases and scarcity. This segment of a WPSU documentary Liquid Assets describes how the rule of...

This video segment adapted from NASA's Goddard Space Flight Center explains how and where hurricanes develop. Learn how El Nino events alter the course of atmospheric circulation. Includes background reading material and discussion...

Learn about thermal energy, also known as heat or heat energy, and the ways in which it can move from one object to another,

In this lesson, students watch a video and animations that relate Isaac Newton's three laws of motion to baseball and apply what they've learned about these laws to another sport or other real-life situation.

Students learn about the giant impact hypothesis for the Moon's formation, and how the Apollo Moon rocks have contributed to scientists' understanding of the Moon.

Students learn how various kinds of data and information can be gathered to create a biodiversity timeline that serves as evidence of changes in a population of a species.