Ground-truthing ... is it even a word? The last installment of a five-part series analyzes how scientists collect sea surface temperature data. Scholars use government websites to compare temperature data collected directly from buoys...

Investigate the fascinating, yet terrifying phenomenon of hurricanes from the safety of your classroom using this earth science unit. Focusing on developing young scientists' spacial thinking skills, these lessons engage...

Students explore how to use field guides to identify wildlife.  In this nature lesson students construct their own plant field guide. 

Sometimes the best view is from the farthest distance. Satellite imaging makes it possible to create altitude maps from far above the earth. A three-part activity has your young scientists play the role of the satellite and then use...

Students explore the concepts of potential and kinetic energy by bouncing assorted balls on different surfaces and calculating the momentum for each ball. They give examples of collisions and momentum in sports and understand that...

Students study morphological terminology. One student is blind-folded while the other describes a nearby plant. Once the blindfold is removed, the partner tries to find the plant that was described. They share their experience...

Second graders examine various types of butterflies and insects around their school. They identify differences between beetles and butterflies. Students examine books about butterflies, complete symmetry drawings, and make ladybug key...