Here're some great extensions from the Google Chrome Extensions at School for extensions sereies that can help you research and write papers for any class.
- Apture Highlights allows you to highlight any word or phrase on a web page and instantly bring up search results in a window. The extension uses over 60 sources like YouTube, Twitter, Wikipedia and Google.
- Diigo Web Highlighter and Bookmark, ley you highlight web pages with multiple colors as you read online. You can also add tags and sticky notes on web pages you visit. This's very useful when you want to highlight and save key information in your class notes or assignments and view them later.
- After the Deadline helps check your spelling, grammar and style in your Google Chrome browser. By clicking on ABC icon in lower-right corner of editable area, you can proofread anything you write on the web. If you're learning a foreign language or studying abroad, you can also check French, German, Portuguese and Spanish text as well.
More Info: Chrome Extension Gallery