Helpful websites
Arts & Culture: https://artsandculture.google.com/
Cliff Notes for your English classes: https://www.cliffsnotes.com/
Climate Change information: https://climate.nasa.gov/
Create something? http://www.instructables.com/
Free ebooks on Project Gutenberg: http://www.gutenberg.org/
Big History Project (no need to sign up just use the information): https://www.bighistoryproject.com/home
History and other things...looking for newspapers? Scroll to the very bottom on the left.
Khan Academy-Math, Science, Computing, History, you name it! https://www.khanacademy.org/
Library of Congress: https://www.loc.gov/
Need a map or want to see what an area looks like? https://www.google.com/earth/
Researching? https://www.archives.gov/
Science: http://www.pbs.org/wgbh/nova/labs/
Smithsonian Education-Art, Science & Nature, History & Culture, People & Places: http://www.smithsonianeducation.org/students/index.html