Lab 6: Climate Extremes and Impacts on People part of TREX - Tree Ring Expeditions:TREX for Students:Labs
This lab is designed as a supplement to Lab 5. Download a Student Activity Worksheet. (Microsoft Word 2007 (.docx) 17kB May13 24) Introduction In the previous lab (Lab 5), we learned that paleoclimate records, ...

Meet the Challenge (Optional final assessments) part of TREX - Tree Ring Expeditions:TREX for Students:Labs
In this lab on drought in the Hudson Valley, you have started to learn how scientists work. You explored the Humpty Dumpty talus slope site with Google Maps and learned about the importance of picking study sites ...

Part 1: Exploring Tree-Ring Sites Around the World part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Take a look at the sheer number of tree-ring chronologies (green triangles) that have been made publically available by the scientists who originally collected them. Tree-ring scientists contribute their data to ...

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 ...

Part 3: Measuring and Graphing Tree-Ring Width at Chaco Canyon, NM. part of TREX - Tree Ring Expeditions:TREX for Students:Labs
In addition to calendar dating ancient archeological sites, and more recent antiques and musical instruments like violins, tree rings capture a wealth of information regarding past temperature and precipitation in ...

Part 3 - Gathering Historical Drought Data part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Microsoft Word 2007 (.docx) 24kB Feb24 22) Although it may seem a simple matter to measure and analyze tree rings, there are several natural conditions and factors that ...

Lab 1 - Launching an Expedition part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Download a Student Activity Worksheet here. (Acrobat (PDF) 216kB Mar13 19) Introduction Dendrochronologists often travel to remote regions across the world in search of old, slow growing, trees that capture the ...

Part 1: Straws in the Colorado River: Will We Run Out of Water? part of TREX - Tree Ring Expeditions:TREX for Students:Labs
To begin your tree-ring science expedition to the Colorado River Basin, you will investigate its physical characteristics and learn how the water is used and apportioned by those who live there. The river ...

Part 1: Explore the Pueblo Bonito Site part of TREX - Tree Ring Expeditions:TREX for Students:Labs
Before beginning your research into the age and paleoclimate of the Pueblo Bonito site, it is important to understand the setting and context of the region you are studying. How would you describe the site? What ...

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 ...