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In this activity, "write" a secret message in genetic code as beads on a string.

In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.

By making models of light waves with paper, learners can understand why different colors appear in bubbles.

In this activity, learners overlap the three primary colors to see how all other colors are made.

In this activity, learners create virus models, including nucleic acid and proteins, using simple materials. This resource includes information about virus structure and gene therapy.

In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

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.

Get all wrapped up in a lesson about skin!

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

In this activity, learners practice drawing 3D structures in two dimensions. Learners draw cube stacks from five different points of view.