How does matter change between solid, liquid, and gas? In this 4th grade science lesson, students will explore phase changes like melting, freezing, and evaporation. This lesson is from Miacademy’s General Science course. Find more science 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: