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

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

In this collection of demonstrations, learners explore Newton's Laws of Motion.

In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.

In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

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

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi