Do all lunar eclipses look the same? Find out in an activity where astronomers use the Danjon Scale of Lunar Eclipse Brightness to describe the color and brightness of the moon during an eclipse. Explorers make three observations using the scale during an eclipse and then break into small group discussions to analyze and interpret data. 

Concepts

lunar eclipse, the earth-moon-sun system, the moon, eclipses

Show More Show Less

Instructional Ideas

• Present images of lunar eclipses with different L values to help observers practice evaluation skills 
• Have investigators share responses to discussion questions as part of a whole group discussion to clarify any misconceptions

Classroom Considerations

• Project is completed outside of school, so make accommodations as needed for participants
• Prepare copies of the worksheet for learners ahead of time

Pros

• Includes multiple extension activities
• Provides enrichment resources for young researchers 

Cons

• None