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Universal Class provides 500+ lifelong learning courses in over 30 subject areas, many of which offer continuing education units, designed and led by professional instructors to build deeper understanding and mastery of subject matter. Courses include videos, assignments, quizzes, tests, and options for interaction with other learners. Take multiple classes, video-audit a course, learn at your own pace.
Author
Publisher
Harper
Pub. Date
2015.
Accelerated Reader
IL: LG - BL: 3.7 - AR Pts: 1
Language
English
Description
There are six simple machines: the lever, the wheel and axle, the pulley, the ramp, the wedge, and the screw. Can you adjust a seesaw to lift an elephant? What happens when you combine two or more simple machines? Read and find out --Amazon.com
Author
Publisher
HarperCollinsPublishers
Pub. Date
2016.
Language
English
Description
"How does a magnet work? Why does a magnet pick up a paper clip but not a leaf or a penny? How can the whole world be a magnet? Read and find out more about how magnets work! Franklyn M. Branley's classic text is seamlessly updated by NCTE Orbis Pictus Award Honoree Carolyn Cinami DeCristofano in this reissue. New edition includes a find-out-more section with glossary and step-by-step instructions on how to make your own magnet and find magnetic technology...
Author
Publisher
Harper, an imprint of HarperCollinsPublishers
Pub. Date
[2017]
Language
English
Description
Discusses the varieties of tyrannosaurs and their characteristics, including the Qianzhousaurus Rex, or Pinocchio Rex, which was discovered in 2014 and gained its nickname due to its pointy nose.
Author
Publisher
Harper, an imprint of HarperCollinsPublishers
Pub. Date
[2022]
Language
English
Description
This introduction to pandemics and their history shows readers how to stay safe, and also includes a glossary, an infographic on how the coronavirus spreads, a handwashing diagram and a timeline showing the pandemics of the past.
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