Never give out your full name, phone number or address to anyone. If someone asks, simply tell them you are not allowed to give out this information. If they continue to ask leave the site and tell a trusted adult.
Never agree to meet someone you have met online. Sometimes people pretend to be some one they are not when they are online.
If people start saying mean things online and it makes you uncomfortable leave the site and tell a trusted adult.
Always ask a parent or guardian before downloading anything or entering a contest.
Some places on the Internet are designed just for grown-ups. If you accidentally end-up at one of these sites leave right away and tell a trusted adult what happened.