Search 3D representations of Earth using Google Earth.

Learn more at this blog post from National Geographic: Teaching with Google Earth

Students can use Blogger to collaborate on blog posts from different geographic locations.

Learn more at this blog post: Blogging with Students for Reflection, Collaboration, and Literacy

Have students create 3D designs to print using the design thinking model. This is a great way for students to work through the iteration process while helping to solve a problem.

Learn more with this video: TinkerTip: Live Collaboration and Sharing!

Have students collaborate to create diagrams and charts, and draw using Google Drawings.

Learn more at this blog post: Getting Started with Google Draw

Students can participate in Edchats with globalized topics using specific hashtags. A popular example of a Twitter hashtag to follow and contribute to is #globaled.