As they begin to interpret the message, they journey through our own solar system and beyond. Using simple lenses, students explore how cameras, telescopes, and slide projectors work. Students learn that lenses have measurable properties that determine appropriate applications. Background section offers information on physics, optics, and the human eye. Four sessions, grades 6-9.
Students construct a model watershed using pool grade diatomaceous earth and a simple drip system.
By running river models, students are introduced to the concepts of erosion, geological sequencing, watershed concepts and human effects. Seven sessions, grades 6-9. Students learn distinctions between rocks and minerals and deepen their understanding of the processes that lead to the formation of igneous, sedimentary and metamorphic rocks. This superb new resource teaches about rock and mineral classification systems, testing procedures and crystal formation processes. Modeling activities using clay provides students with hands-on insight into rock cycles and plate tectonics.