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Pengarang: Roseann Feldmann

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Sally M. Walker has been a children”s book writer for over 20 years. Most of her books are nonfiction and present various science topics to young readers. Fossil Fish Found Alive is the story of the hunt for the elusive fish called the coelacanth. Sally also enjoys combining science investigation with historical topics. Her book Secrets of a Civil War Submarine, which won the 2006 Robert F. Sibert Medal, tells about the history, loss, and re-discovery of the first submarine to sink an enemy ship in battle. Written in Bone: Buried Lives of Jamestown and Colonial Maryland takes readers on archaeological expeditions, where the forensic analysis of colonial settlers” bones helps us to understand their lives. Sally especially enjoys writing narrative nonfiction that captures the reader”s attention with a true story. She is also the author of 2019 Orbis Pictus Honor Book Champion: The Comeback Tale of the American Chestnut.




19 Ebooks by Roseann Feldmann

Roseann Feldmann & Sally M Walker: Inclined Planes and Wedges
What is an inclined plane? How do you use a wedge? Using easy-to-understand examples and fun-to-do experiments, discover how these two simple machines work and make the work that you do easier. …
PDF
DRM
€32.55
Roseann Feldmann & Sally M. Walker: Levers
Do you know what a lever is? How can a lever help you? Through simple experiments and clear explanations, understand how this simple machine functions and how it can make the work that you do …
PDF
Inggeris
DRM
€50.02
Roseann Feldmann & Sally M Walker: Pulleys
How does a pulley work? What is it? Colorful diagrams and fun-to-do experiments help you explore the many ways this simple machine can help make work easier and faster. …
PDF
DRM
€32.57
Roseann Feldmann & Sally M Walker: Screws
We”ve all seen screws, but how do they work? Why is it easier to screw something into something than to simply push it in? With basic hands-on experiments and clear descriptions, this simple machine …
PDF
DRM
€32.52
Roseann Feldmann & Sally M. Walker: Wheels and Axles
Of the six simple machines, the wheel and axle is probably the most recognized. But how does it help you work? Simple and fun experiments illustrate the basic concepts explained in the text to show …
PDF
Inggeris
DRM
€50.05
Roseann Feldmann & Sally M. Walker: Work
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental …
PDF
Inggeris
DRM
€49.94
Roseann Feldmann & Sally M. Walker: Put Inclined Planes to the Test
Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do staircases, dump truck beds, and ramps have in common? All of them …
EPUB
Inggeris
DRM
€8.75
Roseann Feldmann & Sally M. Walker: Put Levers to the Test
Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do hammers, wheelbarrows, and brooms have in common? All of them are …
EPUB
Inggeris
DRM
€8.68
Roseann Feldmann & Sally M. Walker: Put Pulleys to the Test
Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do flagpoles and some window blinds have in common? They use pulleys to …
EPUB
Inggeris
DRM
€8.74
Roseann Feldmann & Sally M. Walker: Put Screws to the Test
Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do jar tops and water-bottle lids have in common? Both of them are …
EPUB
Inggeris
DRM
€8.72
Roseann Feldmann & Sally M. Walker: Put Wedges to the Test
Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do a doorstop, a butter knife, and the front of a boat have in common? …
EPUB
Inggeris
DRM
€8.72
Roseann Feldmann & Sally M. Walker: Put Wheels and Axles to the Test
Audisee(R) e Books with Audio combine professional narration and text highlighting for an engaging read aloud experience! What do bicycles, doorknobs, and screwdrivers have in common? All of them use …
EPUB
Inggeris
DRM
€8.70
Roseann Feldmann & Sally M. Walker: Put Pulleys to the Test
What do flagpoles and some window blinds have in common? They use pulleys to perform work! Pulleys are simple machines. They help us to do jobs more easily. But don’t take our word for it. Put …
PDF
Inggeris
DRM
€58.07
Roseann Feldmann & Sally M. Walker: Trabajo (Work)
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental …
PDF
Sepanyol
DRM
€49.94
Roseann Feldmann & Sally M. Walker: Put Inclined Planes to the Test
What do staircases, dump truck beds, and ramps have in common? All of them are inclined planes! Inclined planes are simple machines. They help us to do jobs more easily. But don’t take our word for …
PDF
Inggeris
DRM
€58.41
Roseann Feldmann & Sally M. Walker: Put Wedges to the Test
What do a doorstop, a butter knife, and the front of a boat have in common? All of them are wedges! Wedges are simple machines. They help us to do jobs more easily. But don’t take our word for it. …
PDF
Inggeris
DRM
€58.26
Roseann Feldmann & Sally M. Walker: Put Levers to the Test
What do hammers, wheelbarrows, and brooms have in common? All of them are levers! Levers are simple machines. They help us to do jobs more easily. But don’t take our word for it. Put levers to the …
PDF
Inggeris
DRM
€58.15
Roseann Feldmann & Sally M. Walker: Put Wheels and Axles to the Test
What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work! Wheels and axles are simple machines. They help us to do jobs more easily. But don’t …
PDF
Inggeris
DRM
€58.15
Roseann Feldmann & Sally M. Walker: Put Screws to the Test
What do jar tops and water-bottle lids have in common? Both of them are screws! Screws are simple machines. They help us to do jobs more easily. But don’t take our word for it. Put screws to the test …
PDF
Inggeris
DRM
€58.36