Visit the website Video, teacher guide, student worksheets, and activity workbook on eDNA and otters. Resource Type Learning Lab Collection Topics DNA & Genetics Grades Elementary (2nd-5th), Middle (6th-8th) Website or Location https://learninglab.si.edu/collections/science-to-go-dna-extraction-for-students-and-teachers/pRnW5YgJzjHXv1AE Language English & Spanish