Genius Optical Inventions

From the X-Ray to the Telescope

From the Series Incredible Inventions

  • Interest Level: Grade 3 - Grade 6
  • Reading Level: Grade 4

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. Learn how many lightbulb designs Thomas Edison tested, how spies used microfilm to carry secret messages, how satellites let us look at Earth from space, and more! Fact-packed text and fun illustrations reveal crazy inventions (spectacles for horses!) and offbeat predictions (some people thought electric light would never catch on). Follow the trail of inventions and devices that have enabled us to see everything from distant stars to tiny cells.

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Interest Level Grade 3 - Grade 6
Reading Level Grade 4
Genre Science
Category 5 Kinds of Nonfiction, 5KN: Browseable Nonfiction, STEM, STEM: Engineering
Copyright 2018
Publisher Lerner Publishing Group
Brand Hungry Tomato ®
Imprint Hungry Tomato ®
Language English
Number of Pages 32
Publication Date 2017-08-01
Reading Counts! Level 8.3
Text Type Informational/Explanatory
BISACS JNF061010, JNF051130
Dewey 621.36
Graphics Full-color illustrations
Dimensions 7 x 9
Lexile 980
Guided Reading Level X
Features Bibliography/further reading, Glossary, Index, and Table of contents

Author: Matt Turner

Illustrator: Sarah Conner