Coring trees is a way of learning about trees without cutting them down. When a tree is cored, the rings are examined to learn about the history and growth of a tree. In this lesson students will participate in a hands-on activity to help them investigate what information can be gained by studying and comparing tree core samples collected
This is a food web activity that I developed after my spring 2006 TREC expedition on board the USCGC Healy, for 30 days in the Bering Sea. It is a set of lessons that include setting the context with a map activity, researching the organisms in, on, and around the Bering Sea, reading an article or book on connections between
In this activity, students diagram the hydrologic cycle. Most of the concepts will already be familiar to middle and high school students, but this activity is a good way to prepare for making the far more challenging carbon cycle and energy NON-cycle diagrams.
Objective
* Students understand that the total amount of water on Earth is constant