Students learn the "Cyber Five", five helpful rules to be safer on the internet are covered in this short animation from ABCya.com
The Cyber Five Rules:
1) Never give out personal info.
2) Don't download alone, avoid virus's
3) Don't respond to a bully.
4) Copy and Paste, Save it and Print, keep the evidence.
5) If you feel uncomfortable with what you see, tell an adult.
This is very, very basic information, you should seek to expand on this with additional materlal and information.
Additional Safety Rules:
Don't overshare.
Don't disclose your address.
Don't talk to strangers.
Don't arrange meetings without permission of your parents.
Tell an adult about anything or anyone that makes you feel uncomfortable.
Extra Resources:
1) FBI Cyber Surf Islands: https://sos.fbi.gov/
2) http://pbskids.org/webonauts/
3) Brainpop video - Internet Safety
4) Brainpop Quiz - Internet Safety Quiz