The Moon Phases
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Subject Area: Science | Grade Level: 4
Lesson Length: 30 minutes
Keywords/Tags: Moon, Sun, Earth, Phases
Lesson Description: In this lesson, students will learn about the various phases of the moon and be able to describe how the moon changes shape over a period of time.

  • SC.4.E.5.2 Describe the changes in the observable shape of the moon over the course of about a month.
Video : Why Do We See Different Phases of the Moon?
Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.
Quiz : How well do you know about moon phases?
Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.
Question #1

How many moon phases are there?

Question #2
Is it true or false that the moon takes a complete month to complete its phases?
Question #3
What is the relationship between the Earth, Moon, and Sun when it comes to the phases of the moon?
Question #4

What does it mean when the moon's phases are waxing and waning?

Question #5

What are all the moon phases in order?

Question #6

What moon phase is the one where the moon in completely lit up?

Question #7

Which moon phase is shaped like the letter C?

Question #8
Does the entire Earth see the same phase of the moon?
Question #9
Is it true or false that we only see one side of the moon?
Question #10

Does the moon always have a dark side?

Resources : Here are some resources to help you become an expert on moon phases
Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson.
Phases of the Moon Matching Game
A great way to practice!
Oreo Cookie Moon Phases Activity
A yummy activity to complete at home with a parent or guardian.
Make a Moon Phase Box
A fun DIY activity to see how the Sun affects the phases of the Moon.