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248 records found. Displaying 241 - 264.

Record-Breaking Earth & Space Facts

From the Series Infographic Top 10s

Where is the Solar System's biggest mountain? Which planet is hot enough to melt metal? Where would you find the largest desert on Earth? Find out about the record-breaking features on our… Read More →

  • Lexile: 1090
  • ATOS: 6.4
  • Dewey: 525

Record-Breaking People

From the Series Infographic Top 10s

What is the longest bone in your body? What's the record for throwing a washing machine? What's the record for the most books written? Find out about the most amazing human record holders—from Read More →

  • Lexile: 1050
  • ATOS: 5.9
  • Dewey: 030

Scaly, Slippery Creatures

From the Series Real-Life Monsters

Discover the ten most bizarre snakes, lizards, and other reptiles on the planet. Many lived at the time of the dinosaurs. Could this explain their grotesque features? Check out: ●… Read More →

  • Lexile: 1100
  • ATOS: 6.5
  • Dewey: 597.9

Seeing Is Believing

From the Series Brain Benders

Can your eyes deceive you? Try these amazing optical illusions to find out. Look hard, then look again to see... ● spinning patterns—but the page isn't moving! ● colors that change—but do… Read More →

  • Lexile: 880
  • Dewey: 152.14'8

The Dawn of Planet Earth

From the Series Prehistoric Field Guides

Join Ackerley the Acanthostega and travel back in time 4,500 million years to the Precambrian period, when our planet first formed. Witness the appearance of the very first organisms in the… Read More →

  • Lexile: 960
  • ATOS: 6.2
  • Dewey: 576.8

The Last Days of the Dinosaurs

From the Series Prehistoric Field Guides

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet. Watch them seek prey, battle enemies, and finally… Read More →

  • Lexile: 1000
  • ATOS: 6.2
  • Dewey: 567.9

The Rise of Mammals

From the Series Prehistoric Field Guides

Team up with Ackerley the Acanthostega to travel back 66 million years to the Tertiary and Quaternary periods of prehistoric Earth, when mammals came to dominate the planet. Many of them are… Read More →

  • Lexile: 1000
  • ATOS: 6.3
  • Dewey: 569

Think Outside the Box

From the Series Brain Benders

Are you ready to bend your mind and think in new ways? Pit your wits against these super-cool puzzles and see where they take you! Use your eyes and memory to... ● find your way through… Read More →

  • Lexile: 910
  • Dewey: 516'.15