Scientists classify everything from the smallest cells to the largest galaxies, but how do they decide on a classification system? Scholars use 40 pictures of galaxies taken by the Hubble Space Telescope to sort and try creating their...

Learners use aluminum, a thumbtack, an eraser, and more to create static electricity. In this static electricity lesson plan, students use this experiment to simulate lightning.

Learners experience mixing through dancing. In this physical science lesson plan, students not only dance to show mixing but also demonstrate mixing and stirring by combining milk and chocolate milk.

Students are introduced to the characteristics of trees and different techniques to identify them. They distinguish between a deciduous and a coniferous tree. Students describe at least four characteristics used to identify trees. They...