In this stars worksheet, learners read about the Spitzer space telescope and they solve 5 problems about the mass, size, and power of dust grains and interstellar mediums detected by the telescope.

Learners explore the properties of light. In this light lesson, students investigate visible light by viewing a website, examining an electromagnetic spectrum chart, and observing light demonstrations. Learners write about their...

Middle schoolers perform a version of the experiment of 1800 by the famous astronomer Sir Frederick William Herschel.