Digging the Earth's Crust
Students investigate the Earth's crust. In this geology lesson, students identify the materials made up of the Earth's crust and investigate the different kinds of soil.
4th - 9th Science 35 Views 122 Downloads
The Sun: Earth's External Heat Engine Part 1 of the Astronomy Model
Students become familiar with the variables that control Earth's solar energy supply. They explore the source and nature of solar energy, the genesis of radiation, and the structrue of the Sun, gas spectra are observed and sample...
8th - 12th Science