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Identify DNA

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Identify DNA — free printable Middle School Science worksheet

Middle school students learn to identify the structure, components, and function of DNA — including the double helix, nucleotides, and base-pairing rules — in this genetics and biotechnology worksheet. Teachers can use it during a heredity or genetics unit to give students a clear conceptual anchor before exploring replication, transcription, and genetic engineering. Understanding DNA is the foundation of modern biology, medicine, and forensic science.

Learning objectives

  • Identify the components of DNA, including nucleotides, bases, sugar, and phosphate groups
  • Describe the double helix structure and the base-pairing rules (A-T, G-C)
  • Explain the role of DNA in storing and transmitting genetic information

How to use this worksheet

  1. Select “Sign in / Sign up to download”, then sign in with Google or email to get the PDF from KiwiBee Printables.
  2. Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
  3. Use the included answer key to mark it in seconds.

Good for

ClassworkHomeworkWarm-upCentersSmall groups

Answer Key

Answer key for Identify DNA — free printable Science worksheet

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