Earth Processes Science Quiz For Kids Online. In this quiz students in 1st, 2nd and 3rd grades will learn about several processes in Geography like earthquakes, erosion, floods, droughts etc. There are basic definitions of concepts to be learned in this quiz. It is a multiple choice question test which students can use to review their understanding of several Earth processes and land forms. This quiz will serve well as a supplementary course material for parents and teachers of kids between 1st to 3rd grades. It will also be useful for kids both at home and in the classroom given that it is also suitable for mobile device. Click start to begin.