Why does an image turns upside down in a mag. glass?

Subject: Why does an image turns upside down in a mag. glass?

Date: Sun Nov 10 07:41:32 1996
Posted by: Roger
Grade level: 4-6
School/Organization: Glassboro
City: Glassboro State/Province: NJ
Country: USA
Area of science: Physics
Message ID: 847633292.Ph

Message:

How can I explain to my fifth grade students, why an image turns
upside down as you pull the magnifying glass towards you? 
Hold a magnifying glass at arms length.  Focus on a word or your
thumb.  As you bring the lens closer to your face the image inverts.
Why?

Re:Why does an image turns upside down in a mag. glass?

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