This is a lesson about water and water-ice. Learners will explore the molecular geometry and mechanics of ice. They will create a model of H2O, investigate its molecular structure and its consistent shape. Faraday's experiment is used as background.... (View More) Activities include small group miming, speaking, drawing, and/or writing. This is lesson 2 of 12 in the unit, Exploring Ice in the Solar System. (View Less)

This is a lesson about designing and building an effective sunshade for a model MESSENGER craft. Learners will build a model of MESSENGER. They will use a scientific approach to solve problems and work as a cooperative team. They will discover their... (View More) own strengths, and those of others, and will witness firsthand the importance of both successes and failures. This is activity 4 of 4 for the Pre-K - 4 range of "Staying Cool." (View Less)