Viewers learn about three different weather measurement tools in installment five of the 10-part Discover Your Changing World series. They build weather vanes to collect data on wind speed, barometers to determine air pressure, and...

What's the best way to record temperature over a long period of time? Scholars learn about collection of weather and temperature data by building thermistors in the fourth installment of the 10-part Discover Your Changing World series....

Open with a discussion on weather and climate and then explain how tree rings can provide scientists with information about the earth's past climate. Pupils analyze graphics of simulated tree rings from various US locations for the...

After reading a brief history of Carl Skalak's journey on the open waters, scholars make a three-dimensional model of the Earth out of an Origami balloon using a printable decorated as the Earth.

Students work as a team to help improve the quality of life in rural Africa and develop a plan how to spend grant money the United Nations has provided them with.