The geosphere, exosphere, hydrosphere, and atmosphere are Earth's four main spheres. Surprisingly, all of these spheres work together providing us with resources, weather, plants, climate, and a place to live. Here is a collection of videos that explores Earth's spheres and the effect of their interactions on the planet. Note: The videos are organized in the order they are meant for viewing.

Few things are more important to life on earth than water. This is a collection of resources for middle schoolers about the various stages of the water cycle. Included are hands-on activities/labs, videos, worksheets, and diagrams. Get your hands dirty (or wet!) and check them out.

Take a crash course in astronomy with a video playlist from Crash Course Kids! Each video is short, engaging, and informative for both future astronauts and science teachers eager for a fun take on the stars.