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Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA.

This activity is about collecting and analyzing DNA as part of a criminal investigation.

In this activity, learners construct a cereal chain as a model of how proteins are made in the cell.

In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.