Ages: 8-10
Read time: 15-30 mins
AR LEVEL: 6.1
LEXILE©: 980L
Genius Optical Inventions: From the X-Ray to the Telescope
Before magnifying glasses, how did people make objects look larger? The ancient Romans filled glass bowls with water. Then microscopes and telescopes came along. But optical innovation didn't stop there....
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Ages: 8-10
Read time: 15-30 mins
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