Force And Motion Quiz Questions and Answers. 4th, 5th, 6th, grade science quiz online. Learn about force and motions, Newton's Laws of motion, learn about push and pull forces, learn about weight as a measure of the pull of gravity on an object, learn about the definitions oof speed, mass and more. This is a physics MCQ quiz for kids online. It is an interactive educational fun quiz exercise which can be used by teachers and parents to test their kid's understanding of the notions of force and motion.