Filter by

  • Publication Year
    To
  • Availability
  • Attachment
  • Collection Type
  • General Material Designation
    See More
  • Location
    See More
  • Language
    See More
Found 6 from your keywords: author=Robert E. Wells
cover
Polar Bear, Why Is Your World Melting?
Comment Share
Robert E. Wells

Recommended Book to Teach Children about Climate Change, Time Magazine In the Arctic, the summer ice is melting, making it hard for polar bears and their cubs to survive. Why is the world getting warmer? The heat of the sun is trapped by the "greenhouse" gases that surround Earth-carbon dioxide, methane, nitrous oxide, and water vapor. If there is just the right amount of these trapped gases…

Edition
-
ISBN/ISSN
9780807565995
Collation
32 pages : illustration ; 20 cm
Series Title
-
Call Number
363.73874 WEL
cover
Did a dinosaur drink this water?
Comment Share
Robert E. Wells

It's hard to imagine―the molecules in the glass of water you just finished might have once been part of a water hole that dinosaurs drank from! In this fascinating new book about the water cycle, readers will find that while it might be hard to imagine, it's true. The author, Robert E. Wells, explains the complete water cycle and also discusses ocean currents, ocean and lake habitats, and …

Edition
-
ISBN/ISSN
9780807588406
Collation
32 pages : illustration : 17 cm
Series Title
Wells of knowledge science series
Call Number
567 WEL
cover
What's so special about planet Earth?
Comment Share
Robert E. Wells

Move to another planet? Sounds interesting! In our imaginary spaceship, let's check out the planets in our solar system. Mercury is closest, but it has no air, and it's either sizzling hot or bitterly cold. The atmosphere on Venus is poisonous; plus, human beings would cook there. Mars might work, but you'd always have to be in a protective shelter. And if you got to the outer planets, you coul…

Edition
-
ISBN/ISSN
9780807588161
Collation
32 pages : illustration : 17 cm
Series Title
Wells of Knowledge Science Series
Call Number
525 WEL
cover
What's smaller than a pygmy shrew?
Comment Share
Robert E. Wells

A pygmy shrew is among the tiniest of mammals. A ladybug is even smaller. But in this book you will find small things you could not ordinarily see.

Edition
-
ISBN/ISSN
9780807588383
Collation
32 pages : illustration ; 17 cm
Series Title
Wells of Knowledge Science Series
Call Number
591.41 WEL
cover
How do you lift a lion?
Comment Share
Robert E. Wells

Explore the functions of levers, wheels, and pulleys, and learn how to lift a lion, pull a panda, and deliver a basket of bananas to a baboon birthday party!

Edition
-
ISBN/ISSN
9780807534212
Collation
32 pages : illustration ; 17 cm
Series Title
Wells of Knowledge Science Series
Call Number
621.8 WEL
cover
Polar bear, why is your world melting?
Comment Share
Robert E. Wells

In the Arctic, the summer ice is melting, making it hard for polar bears to survive. Why is the world getting warmer? The heat of the sun is trapped by the "greenhouse" gases that surround Earth--carbon dioxide, methane, nitrous oxide, and water vapor.

Edition
-
ISBN/ISSN
9780807565995
Collation
32 pages : illustration ; 17 cm
Series Title
Wells of Knowledge Science Series
Call Number
363.73874 WEL