Lesson Plan
Curated OER

Ink Analysis and Thin Layer Chromatography

For Teachers 7th - 12th
Students explain the process of TLC. They identify at least three components of ink. They analyze data and make conclusions based on laboratory observations.
Lesson Plan
Curated OER

Fingerprinting

For Teachers 7th - 12th
Students list and describe the three types of fingerprint patterns. They list and describe three layers of fingerprints that can be made. They explain why we leave fingerprints.