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In this crime science activity (on page 2 of the PDF), learners will explore the uniqueness of fingerprints. The will learn components of fingerprints as well as why fingerprints are left behind.

In this activity, learners explore acid and bases as they create their own invisible ink out of baking soda and grape juice.

In this chemistry activity (page 6 of the PDF), learners observe a chemical change. Learners write and reveal a secret message using edible ink.

In this forensics activity, students will explore the methods that investigators use to confirm the authenticity of handwriting.