Go to this BBC Bitesize page and work through the activities on contractions.
There is a video to watch first, then some activities all about contractions - remember these are two words combined into one and an apostrophe shows where missing letters would be.
For example you + are = you're
This link will take you to BBC iPlayer. You can watch the whole video if you like, but the Geography section starts at 14:45 so skip to here for Sir David Attenborough teaching you about oceans.
When you have watched the video, make a picture of an ocean scene using whatever materials you like!