PBS
The Planets of the Solar System
Launch a lesson that's sure to capture middle schoolers' interest! Exploration enthusiasts examine the planets of our solar system using an activity from PBS's Space series. The resource includes images and information for each planet,...
Other
Western Oregon University: Earth System Science: Geologic Time [Pdf]
An 81-page slideshow that looks at the principles of geology with respect to relative dating, at different concepts describing geological processes, at absolute age and radiometric dating, at the eons and eras in the geologic time scale,...
Curated OER
Science Kids: Science Images: Solar System Moons Diagram
This diagram shows selected moons of the Solar System and includes Earth for scale. Some of the moons shown include Phobos, Deimos, Io, Europa, Ganymede, Callisto, Titan, Hyperion, Ariel, Umbriel, Triton, Proteus and Charon. For more...
Other
Plate Tectonic Theory [Pdf]
Check out this slideshow on Plate Tectonics-The unifying theory for all other theories in the Earth sciences-Has resulted in a more detailed understanding of Earth history-Has enabled geologists to more precisely(and cheaply) discover...