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The Moon changes shape every day. Sometimes you can see only part of the Moon.

Other times, you can see the entire Moon. Why does this happen?

The purpose of this WebQuest is to help you learn why we see phases of the Moon.


Your task is to explain why the Moon changes appearance throughout the month. You will complete four tasks.

If you don't have a worksheet, click here to get one

It will help you understand why the Moon's appearance changes.

The First Task

Complete the Task One on your worksheet. Draw and name eight important phases of the Moon. You will...

  • Draw the eight Moon phases.

  • Write the correct name of these phases.



Watch these two videos to help you.  The first video is from Youtube and may not be viewable in school.

The second video should be able to be viewable anywhere.

Link to another video - "Earth, Sun, and Moon Phases" 

Here are some websites you can use to complete Task One.


The Second Task

Science has special terms. You need to know what these terms mean. For Task Two, define the following terms: gibbous, waning, and waxing. You will identify which phases are waxing and waning.


Get the definitions of the terms at this webpage.


The Third Task

For Task Three, draw your birthday Moon. What phase was it on the day you were born? Find out and fill in the circle. Also, draw a picture of the phase of the Moon on your 2017 birthday


Use this website. Select your birthdate.


The Fourth Task

How does the Moon change during the month? For Task Four, complete the Task Four worksheet.

See how the Moon changes each day. Complete the worksheet for April 2017.


Go the website below.  Select the current month and year.

All finished?  Then try these activities!

This worksheet was created by :

Phases of the Moon Worksheet

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