As the researcher responsible for the crust, you have a unique situation on your hands--life! Your layer is the only known layer to have living creatures on it. In addition to the required information stated in the Process, check out the impact that the crust's movement has on the earth. For your brochure, you can speak from experience about traveling to the crust! While researching, think of everyday items that are similar to the crust that you might be able to use for your model.