This NSTA vetted source includes resources to allow students to make observations that prove objects in darkness need light to be illuminated. Included are assessment ideas, videos, examples, lesson plans, and photos of student work.

Objects that glow in the dark hold a special place in the imagination of both children and adults. The lights go out at night, but these odd things refuse to disappear. Where does the light come from? Do they work in any climate? In this...

An activity for students to explore how dark-colored materials absorb and emit more energy vs. light-colored material.