This is a good resource for quick warm ups and catches. The nice thing about this site is that it has answers. The riddles are not necessarily concept specific but a nice fun way to start a lesson
Google Earth lets you fly anywhere on Earth to view satellite imagery, maps, terrain, 3D buildings, from galaxies in outer space to the canyons of the ocean. You can explore rich geographical content, save your toured places, and share with others.
The Museum of Modern Art (MoMA) is a place that fuels creativity, ignites minds, and provides inspiration. Its extraordinary exhibitions and collection of modern and contemporary art are dedicated to helping you understand and enjoy the art of our time.
Unearth ancient secrets and walk with dinosaurs and other weird and wonderful creatures that time forgot including T. rex, mammoths and terror birds.
Great Information regarding early human species.