You've learned a lot and now it's time to complete your project by animating a scene. You've learned to make keyframes, you've learned how to move objects, how to parent them, and how to change which editors are in which windows. You've studied how to plan an animation and how to time it. You know a lot!
First you need an idea. I started off with a question; what if the island got invaded by Viking raiders? I wondered what would be my initial reaction when I discovered what was happening. The following is the storyboard I drew: