Kathleen Weidner Zoehfeld

Describes how footprints made by the dinosaurs have been preserved and what these impressions tell scientists about the animals which made them.

An introduction to rocks and minerals including how they are formed.

Answers questions about the ocean, from its shallow waters to its deepest and most mysterious parts.

Introduces several different dinosaurs, looks at how they varied in size and weight, and explains how scientists have learned about the prehistoric creatures.

A look at the history of life on Earth starts in the present and goes back hundreds of millions of years to the Ediacaran Period, profiling the creatures that existed at each time.

"Join three fantastic felines as they embark on the adventures of their (nine) lives in this colorful Chapters book, filled with photos and fun facts. Meet Dusty, a Siamese cat who gives the phrase "cat burglar" new meaning. Take to the seas with Scatty, a sailor and cat hero. And trek across the United States with Vladimir, a real-life cat explorer! These amazing--and TRUE--stories are sure to keep cat lovers and adventure fans on the edge of their...

Explains how the invention of the telephone changed the world and outlines concept-introducing scientific activities, including how to build a string phone.

There's nothing more fascinating than dinosaurs. In this Level 1 reader, youngsters learn all about the terrifying giants that once roamed the Earth-maybe even as close as their own backyard! They'll be wowed by new information and eye-popping illustrations from National Geographic, a trusted source of children's nonfiction content. National Geographic supports K-12 educators with ELA Common Core Resources. Visit natgeoed.org/commoncore for more

...

"A nonfiction "biography" of the light bulb from the electric precursors like the arc lamp to Thomas Edison's invention and beyond to current innovations in light bulb technology"--