This is a lesson about radiation and the use of the scientific method to solve problems of too much radiation. Learners will build snow goggles similar to those used by the Inuit (designed to block unwanted light, while increasing the viewer’s... (View More) ability to see in a bright region) to understand some of the engineering challenges encountered while protecting the solar cells on the Mercury MESSENGER. This is Lesson 2 of 4 at the middle level in the module, Staying Cool. (View Less)

This is an activity about planetary sizes and distances. Learners will construct a scale model of the Earth, Earth’s Moon and Mars in relation to each other using balloons. They will use this model to predict distances and reflect on how... (View More) scientists use models to construct explanations through the scientific process. The lesson models scientific inquiry using the 5E instructional model and includes teacher notesand vocabulary. (View Less)