This document contains a science quiz for grade 3 students. The quiz is divided into easy, average, and difficult rounds of questions testing students' knowledge of nutrition, health, and the human body. The easy questions cover topics like the benefits of exercise and vitamins. The average questions ask about concepts like habits, balanced meals, and the composition of cereals. The difficult questions involve true/false statements about calcium and short-answer questions about energy and fat storage. The quiz concludes with a clincher question about a fruit high in vitamin C and a category of foods that build strong bones, teeth, and muscles.