Fingerprint Detectives

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Learn how to collect and compare fingerprints.


Materials

  • Pencil
  • Clear tape
  • White paper
  • Magnifying glass (optional)

Instructions

  1. Rub a pencil on a small area of paper until it’s very dark.
  2. Press your finger onto the graphite.
  3. Press clear tape on to your fingerprint, then stick it onto a clean white piece of paper.
  4. Label it (e.g., “Right Thumb”).
  5. Compare your fingerprint with classmates or family members using a magnifying glass.