Educator Guide: Lab 5 - Warming in the Boreal Forests part of TREX - Tree Ring Expeditions:TREX Guides
View the Student Lab » NOTE: To get access to the Answer Keys for the TREX labs, you will need to 'Request Instructor Access' using the the tab in the navigation menu on the left side of this page. This ...

The TREX Team part of TREX - Tree Ring Expeditions
Project Investigators: Dr. Nicole Davi, Principal Investigator Dr. Nicole Davi is Principle Investigator for this NSF-funded project entitled "Using Tree Rings to Develop Critical Scientific and Mathematical ...

Educator Guide: Lab 2 - Humpty Dumpty and Drought in the Hudson Valley, NY part of TREX - Tree Ring Expeditions:TREX Guides
View the Student Lab » NOTE: To get access to the Answer Keys for the TREX labs, you will need to 'Request Instructor Access' using the the tab in the navigation menu on the left side of this page. This ...

Part 1 - What is Dendrochronology? part of TREX - Tree Ring Expeditions:TREX for Students:Labs
A Brief History In the late 1800s and early 1900s, Andrew. E. Douglass founded the science of dendrochronology— the technique of dating events, environmental change, and archaeological artifacts by using the ...

Lab 5 - Warming and the Boreal Forests part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Microsoft Word 2007 (.docx) 76kB Mar14 19) Learning About the Present from the Past Paleo-climate records, such as those obtained from analyzing tree-ring data, provide ...

Part 3: Measuring Ring Width to Determine Climate Change in the Past part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Now that we have explored several important research sites, let's take a look at some of the tree-ring data from those sites. In this activity, you will use a digital software program called ImageJ to measure ...

Educator Guide: Lab 3 - Tree Rings and the Ancestral People of Pueblo Bonito: Uncovering the Past part of TREX - Tree Ring Expeditions:TREX Guides
Summary and Key Questions In Lab 3, students take a journey to the desert Southwest and examine and interpret science data to tell the story of the ancestral peope at Pueblo Bonito: When did they live in the ...

Dendrochronology - Trees: Recorders of Climate Change part of CLEAN Collection

In this activity, students are introduced to tree rings by examining a cross section of a tree, also known as a 'tree cookie.' They discover how tree age can be determined by studying the ...

Educator Guide: Lab 1 - Launching an Expedition part of TREX - Tree Ring Expeditions:TREX Guides
View the Student Lab » NOTE: To get access to the Answer Keys for the TREX labs, you will need to 'Request Instructor Access' using the the tab in the navigation menu on the left side of this page. This ...

Part 2: Use a Skeleton Plot to Discover the Age of a Pueblo Ruin part of TREX - Tree Ring Expeditions:TREX for Students:Labs
In the introduction, you learned that in order to connect a tree-ring record from historical wood to that of living trees, Douglass and his team would have had to find additional historical wood that existed ...