This is an activity exploring the concept that distance affects how we perceive an object's size, specifically pertaining to the size of the Sun and the Moon as seen from Earth.
2017 Solar Eclipse Guide
What Is an Eclipse?
Why Do Eclipses Happen?
Lunar Eclipses and Solar Eclipses
How is the sun completely blocked in an eclipse?
What is a solar eclipse?
Eclipse Education Gallery
Tracing the 2017 Solar Eclipse
2017 Total Solar Eclipse's Path Across the U.S
How Does a Lunar Eclipse Work?
What is a Solar Eclipse? - Space Place in a Snap!
NISE Network: Solar Eclipse and Big Sun, Small Moon Content Training Video
|Originating Source||University of California, Berkeley|
[Suggest a book]
When the Sun Goes Dark
Eclipses; Night Sky Series
The Moon Book
The Big Eclipse
Go See the Eclipse: and Take a Kid with You
Sun, Moon, Earth: the History of Solar Eclipses, from Omens of Doom to Einstein and Exoplanets
The Eclipse: a Guatemalan Folktale