This is a lesson about the size and scale of planets in the solar system. Learners will kinesthetically model the order of the planets outward from the sun. Then they will use a string and beads to create a model to represent the relative distances... (View More) between the planets. Finally they will explore another model (using a beach ball for the sun) to discuss relative size of the planets to the sun. The lesson uses the 5E instructional model and includes teacher training, pacing guides, essential questions, a black-line master science notebook, a student presentation booklet, supplemental materials, and vocabulary for both students and teachers. This is lesson 1 of the Mars Rover Celebration Unit, a six week long curriculum. (View Less)

In this activity, learners will investigate and try to explain various lunar anomalies. They will present hypotheses (both written and oral) and then debate the merits of each hypothesis, with no right or wrong answers. This activity is in Unit 2 of... (View More) the teachers guide, Exploring the Moon, which is designed for use especially, but not exclusively, with the Lunar Sample Disk program. (View Less)