Students explore a web-based illustrated text and interactive graphics to determine the relationship between the operation of telescopes and light. optics. They work in small groups to become an expert on one of the ten eras of telescope...

Third graders utilize the scientific method to explain light and optics in this five lessons unit. Through experimentation and discussion, 3rd graders canvass the concepts of light traveling, reflection and refraction.

Students reflect upon the causes and effects of light pollution in the night skies. First, they read articles provided and then do worksheets that are provided. They work in groups to discuss their conclusions.

Students consider the idea of a world with Six Billion people and subsequent results and ramifications. Then students will gather data regarding the state of these diverse nations and then create a presentation as a culminating activity.