"Quality search tool with curated resources and links to credible sites."
"Browse thousands of K-12 collections made by teachers or search over 16M resources. Remix collections and customize content to meet your students' needs. Share collections with students via My Classes. Login is not required to access. Measure your students' engagement and progress to intervene in real-time."
"The Powder Toy is a free physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances! The game provides you with various building materials, liquids, gases and electronic components which can be used to construct complex machines, guns, bombs, realistic terrains and almost anything else. You can then mine them and watch cool explosions, add intricate wirings, play with little stickmen or operate your machine. You can browse and play thousands of different saves made by the community or upload your own – we welcome your creations!"
"The Archive of Recorded Poetry and Literature contains 124 recordings of writers reading some of their poems and other works. Many of the recordings are long (one hour+) interviews with the writers during which they read some of their works."
Enter any youtube video url; select a background type; copy and paste the result - video with none of the frills.