The internet is full of information. Some of it is very good, some of it is not. Anybody can publish information to the web, which means you should use caution when citing any source you find online.
For help discerning valid versus dubious sources on the internet, please see Evaluating Information Sources in our Research Guide.
This is information about the worlds's largest particle accelerator, located in Switzerland.
This page explains the physics of amusement parks.
This website from the United Kingdom page is geared towards children but is fun for all ages and a good resource for future science teachers.