In this lesson, we will learn about what happens when substances are heated or cooled enough to change state. We will learn about the four main state changes and identify examples of each of them. 1. Watch the recorded lesson by clicking the to watch the 2. Complete the worksheet using or 3. Complete final quiz to check understanding. Resize or move box to reveal answers on final page (no peeping 👀) 4. Check over your work and use to upload to class journal. Remember, you can watch the video at your own pace, pause it or rewatch it if you need any further help.