Find out about seed dispersal.
You might want to watch Maddy Moate's video on seed dispersal on YouTube.
https://www.youtube.com/watch?v=nJAbo-F6tO4 In the video, Maddy recommends 'Explorify' which is a fantastic free to use website with plenty of science ideas for home and school.
Can you have a look on a walk or in your garden for plants that use these different techniques for seed dispersal?