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Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.

Using toothpicks, straws, or tubes of rolled up newspaper, learners create 3-dimensional models to illustrate the basic structure and function of the cell membrane, and place an object inside to repre

In this activity, learners use food scraps from the kitchen to grow new vegetables.

In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms.