Science & Technology

128 records found. Displaying 121 - 128.

Who Invented the Radio?: Tesla vs. Marconi

From the Series STEM Smackdown (Alternator Books ® )

You may have heard the story of how Guglielmo Marconi invented the radio, but what if it isn't entirely true? What if the brilliant young inventor Nikola Tesla was working on advancing radio… Read More →

  • Lexile: 1040
  • ATOS: 6.2
  • Dewey: 621.384092/2
  • Copyright: 2018

Who Invented the Telephone?: Bell vs. Meucci

From the Series STEM Smackdown (Alternator Books ® )

Alexander Graham Bell invented the telephone, right? That's what most people will tell you. But what if they're wrong? What if Scottish-born inventor Antonio Santi Giuseppe Meucci was working Read More →

  • Lexile: 1010
  • ATOS: 6.1
  • Dewey: 621.386092/2
  • Copyright: 2018

Who Invented the Television?: Sarnoff vs. Farnsworth

From the Series STEM Smackdown (Alternator Books ® )

It's something many people use every day, but do you know who invented the television? David Sarnoff, the powerful radio executive, is often thought of as the Father of Television. But the… Read More →

  • Lexile: 940
  • ATOS: 5.6
  • Dewey: 621.3880092/2
  • Copyright: 2018

Wild West Women

From the Series Just the Facts Biographies

The remarkable women who helped settle the West achieved much more than marrying and raising children. They had to farm the land, build houses, and hunt for food. Over time, these women began Read More →

  • Lexile: 1000
  • ATOS: 5.7
  • Dewey: 978
  • Copyright: 2006

Will and Orv

From the Series On My Own History

Johnny Moore watched as the amazing airplane moved along the track. He wondered if the Flyer would make it off the ground and if the pilot would be able to stay in control. then suddenly it… Read More →

  • Lexile: 560
  • ATOS: 2.9
  • Dewey: 629.13'0092'2
  • Copyright: 1991

Winter Grade 7 Take-Home Kit Read for a Better World ™

Help students start or build their home libraries! Strong literacy skills are an essential part of education. Read for a Better World Take-Home Book Packs are one tool families and educators Read More →

Cover: Wonderful Hair: The Beauty of Annie Malone
Starred Review & Award Count 1 1

Wonderful Hair: The Beauty of Annie Malone

Forgotten today, Annie Turnbo Malone was an influential Black business leader in the early 20th century. She turned her personally developed hair care products into a successful industry,… Read More →

  • Lexile: 870
  • Dewey: 759.13
  • Copyright: 2022

YouTube Founders Steve Chen, Chad Hurley, and Jawed Karim

From the Series STEM Trailblazer Bios

Have you ever watched a home video that went viral on the Internet? Then you've probably heard of the company YouTube. YouTube was created by Steve Chen, Chad Hurley, and Jawed Karim in… Read More →

  • Lexile: 780
  • ATOS: 4.9
  • Dewey: 384.3'3
  • Copyright: 2014