To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
To enjoy the CBBC Newsround website at its best you will need to have JavaScript turned on.
More stories on Online Safety
'Sharenting': Are you OK with what your parents post?
Cyberbullying: A Newsround Special
Comments: Have your say on selfie pressure
New anti-cyberbullying plan launched
Social media and online bullying - your thoughts
Internet safety: Caught in the Web
How important do you think it is to look good in selfies?