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In this genetics activity, learners extract DNA from an onion, using detergent solution, a food processor, and rubbing alcohol. They will also discuss genetic engineering of plants.

In this activity on page 2 of the PDF (Get Cooking With Chemistry), learners conduct chemical tests on certain powders used in cooking.

In this lab exercise, learners explore diffusion, cell membranes and particle size using beets and three alcohols.

This laboratory exercise is designed to show learners how DNA can be extracted from a chunk of thymus (sweetbread) or liver.

In this nutrition/food science activity, learners conduct an experiment and record data to compare the amount of fat in different foods.

In this health and genetics activity, learners determine whether tasting the bitter compound PTC (phenylthiocarbamide) influences which vegetables a person likes.

In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

This laboratory exercise is designed to show learners how DNA can easily be extracted from wheat germ using simple materials.

This activity (page 2 of the PDF under SciGirls Activity: Bogs) is a full inquiry investigation into decomposition.