Use objects around you to make 3 different arches. Make sure it is actually an arch.
Take pictures of the arches you make and when you finish, write a summary of what you learned while making them.
Arches Video (recommended)
Replicate the Coin Drop trick at home. You need a cup, some quarters and a piece of paper. Once you are successful, riff on the Coin Drop by making your own version of an inertia-dependent trick. Take pictures
Draw a diagram of your version of the Coin Drop trick and write about what you learned.
More info about the Coin Drop
Good Inertia resource