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In this activity, learners investigate the history and development of agricultural biotechnology.

In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

In this two-part activity, learners will extract their own DNA from their cheek cells and learn how DNA is analyzed and used to solve crimes.

In this activity, learners explore the engineering design process (EDP)—the process engineers use to solve design challenges.

This lesson will helps learners answer the question: How does the bombardment of micrometeoroids make regolith on the moon?

In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.

In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.

In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.

In this activity, learners discover the principles of edible glass by making a supersaturated sugar solution.

In this activity, learners use a microscope to examine three different microbes: bacteria, yeast and paramecia. Educator will need to prepare the yeast solution one day before the activity.

In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this activity (page 12), learners apply the concepts of pixilation and pointillism to the world of biomedical science.