Internet tutorials may help you understand terminology and how the Internet is constructed.

SFCC Library Research Tutorial

Plagiarism Tutorial: "You Quote it, You Note It!"

An animated interactive tutorial; hit RESTART if the animations don't begin immediately.
Then take a quiz on the tutorial.

Some other online tutorials that might prove useful:

Internet 101

An easy to read tutorial

Learn the Net

Includes lots of graphics to aid in understanding Internet tools

Bare Bones 101

"a basic tutorial on searching the Web"

Finding Information on the Internet: a Tutorial

"presents the substance of the Internet Worshops offered year-round ... at the University of California at Berkeley"