How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...

Students will learn the difference between global, prevailing and local winds. In this activity, students will make a wind vane out of paper, a straw and a soda bottle and use it to measure wind direction over time. Finally, they will...

An investigation that is part of a series of lab lessons that expose students to Earth Systems through research, data, and visualizations. During this lab, students will focus on the pathways of wind and water to and from their location...