Here is a TASTY way to learn how the moon seems to change shape EVERY night. There are 8 commonly recognized phases (shapes) of the moon:
“The phases happen because the moon is constantly moving around the earth. This means the amount of its face that’s lit up by sunlight changes night after night.” —The Mysteries of the Universew, 2020, DK Publishing.
Here are several link options for the activity:
Lesson Plan Style: https://www.nps.gov/teachers/classrooms/moon-phases-with-cookies.htm
Good instructions and pictures including a free worksheet to download as well: https://www.mombrite.com/oreo-cookie-moon-phases/
Mombrite: Additional information on www.mombrite.com