The internet can be wonderful for leaning, shopping socialising and entertainment. However, not everyone in the internet is going to have your best interest in mind. A lot of individuals profit off of stealing identities and other personal information such as bank details, addresses and pictures.
McAfee offers a good introduction to online safety, what to look out for and how to stay safe while enjoying the internet: https://www.mcafee.com/blogs/tips-tricks/10-tips-stay-safe-online/
It is also important to keep in mind your digital footprint. This is the data left behind when using the internet. There are usually two types: passive (when information is collected from user without them knowing) and active (collected when user intentionally shares information).
You can find more here regrading social media digital footprint collecting: https://www.socialmediaexaminer.com/cleaning-your-digital-footprint/
Task
Set up a linked-in profile (Example given in advance: either sample profile or link to existing profile on the site).
https://www.linkedin.com Students could also find 5 contacts and endorse them