Teacher Guide Anchor Links
Students will construct a Frost Tube that is inserted into a hole in undisturbed and uncompacted soil. During the cold months, students measure the depth at which water in the Frost Tube has frozen, indicating that the surrounding soil has also frozen. Watch the Frost Tube Training Video.
Teachers Guide Supporting Protocols
Protocols to help in completion of the main protocol
Teachers Guide Field Guides
Step-by-step instructions for collection data according to the protocols.
Teachers Guide Data Sheets
Sheets to be filled out during data collection
Teacher Guide Learning Activities
Activities to help students learn more about the instruments and protocols