This 5 minute video explains in detail how Creative Commons licenses help using, reusing and sharing content online.
While all of the resources recommended in this guide can be freely accessed, not all can be reused, modified, and redistributed. Fortunately, most of these platforms clearly spell out the licensing (usually determined by the author) which will determine whether you are able to reuse and modify the work.
All work under Creative Commons licenses require attribution to the creator when reusing it. Generally, a good rule of thumb is to include:
You can also make use of this web tool which helps generate attributions for you to easily copy and paste:
To learn more, please refer to this Best Practices for Attribution guide with ideal and incorrect examples for attributing CC-licensed work.
If you change the original work in any way, (e.g. cropping an image/video, changing colours or words), you will be creating a remix or derivative work of the original. General rule of thumb regarding derivatives:
NOTE: Materials with non-derivatives license terms (CC-BY-ND, CC-BY-NC-ND) can only be reused and cannot modified or adapted.