Grade 3 Science Questions and Answers for Kids Quiz, MCQs & Practice Tests with Answer Key provides mock tests for competitive exams to solve 300 MCQs. "Grade 3 Science MCQ" with answers helps with theoretical, conceptual, and analytical study for self-assessment, career tests. Grade 3 Science Quizzes, a quick study guide can help to learn and practice questions for placement test preparation. Grade 3 Science Questions and Answers is a revision guide with a collection of trivia quiz questions and answers on topics: air, earth and moon, force, gravity, heat, matter, other sources of heat and light, sun, water, what is alive to enhance teaching and learning. Grade 3 Science Quiz Questions and Answers also covers the syllabus of many competitive papers for admission exams of different schools from science textbooks on chapters: Air MCQs: 22 Multiple Choice Questions Earth and Moon MCQs: 47 Multiple Choice Questions Force MCQs: 36 Multiple Choice Questions Gravity MCQs: 33 Multiple Choice Questions Heat MCQs: 19 Multiple Choice Questions Matter MCQs: 19 Multiple Choice Questions Other Sources of Heat and Light MCQs: 19 Multiple Choice Questions Sun MCQs: 21 Multiple Choice Questions Water MCQs: 15 Multiple Choice Questions What is Alive MCQs: 68 Multiple Choice Questions Air MCQs: It covers quiz questions about air particles, air pressure, anemometer, atmosphere, breathing, carbon dioxide, exchange of gases, gases, hurricane, importance of oxygen, oxygen, temperature of air, warm air, and wind vane. Earth and Moon MCQs: It covers quiz questions about an orbit, appearance of earth and moon, appearance of stars, brightness of moon, brightness of sun, craters, description of moon, disappearance of sun, earth's rotation, glowing of moon, how life would be like without sun, moon's surface, movement of earth, reflection of sunlight, rotation, rotation of earth, rotation of moon, rotation of sun, shape of earth, shape of sun, size of moon, solar system, sun's light, sun's superpower, sunlight, and sunset. Force MCQs: It covers quiz questions about a force, an activity, direction, distance, force, force and mass, force and motion simulation, forces, gravity, heavy objects, kinds of energy, light object, motion, push and pull, simple machine, speed, weight, what other forces can move an object. Gravity MCQs: It covers quiz questions about air resistance, direction, force, forward motion, friction, gravity, less surface area, mass, mass and work, motion, pulling force of gravity, speed, weight, weight and mass, and working against gravity. Heat MCQs: It covers quiz questions about body temperature, electrical heat and light, electrical machines, friction, heating process, importance of heat, kinds of energy, lubricant, machines, measurement of heat, mechanical energy, mechanical heat, molecules, non-lubricated, solar energy, source of heat, state of substance, thermometer, tools for producing mechanical energy, and work. Matter MCQs: It covers quiz questions about gaseous molecules, gases, liquid, liquid state, matter, molecules and movement, shape of solid, solid, solid-state, and state of matter. Other Sources of Heat and Light MCQs: It covers quiz questions about body temperature, electrical heat and light, electrical machines, friction, lubricant, machines, mechanical energy, mechanical heat, non-lubricated, solar energy, and tools for producing mechanical energy. Sun MCQs: It covers quiz questions about body temperature, environment, sun as a source of heat and light. Water MCQs: It covers quiz questions about crystals, fog, water forms, groundwater, spring, state of water, vapors, and well. What is Alive MCQs: It covers quiz questions about adapt, aquarium, desert, environment.