Are you a classroom teacher who loves using our videos with your students? Check out our Classroom Licensing page to learn how our platform can help you personalize student learning with our easy educator accounts. Use referral code CLSCIYT when applying! In this 4th grade science lesson, students will learn what matter is, what it's made of, and the difference between mass and volume. This video is from Miacademy’s General Science course. Discover more matter-based lessons on our channel! We hope you are enjoying our large selection of engaging core & elective K-12 learning videos. New videos are added all the time - make sure you come back often to learn more! If you'd like us to cover any additional topics, please let us know. For practice, assessment, and many interactive activities that go along with each video, as well as a teacher/parent dashboard, go to for Grades K-8 or for Grades 9-12! Discount Link: