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In this activity related to plant biotechnology, learners use the tissue culture process to rapidly produce clones (genetic copies) of a particular plant (cauliflower, rose cuttings, African violet le

In this laboratory experiment, learners explore how effectively different sunscreens protect yeast cells from damage caused by ultraviolet (UV) radiation.

Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.

In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

Historically, sea floor mapping (bathymetry) was done by soundings.

This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.

In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.

In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.