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Wedges Make a Point
Simple Machines for Kids
How do you keep a truck from rolling? A door from closing? And how do you cut through banana bread? All of these questions have the same answer—a wedge! Wedges are one of the simple machines that help make work easier by using mechanical advantage. In Wedges Make a Point: Simple Machines for Kids, readers ages...
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Screws Keep Things Secure
Simple Machines for Kids
Build your treehouse with screws! Screws are one of the simple machines that are designed to make different kinds of work easier! Lifting, pulling, pushing, and fastening things together—all these tasks are more efficient when you use a simple machine. In Screws Keep Things Secure: Simple Machines for Kids, readers ages 5 to 8 learn...
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Space Adventurer
Bonnie Dunbar, Astronaut
What’s it like to travel among the stars? What can we learn by doing science experiments in space? When Bonnie Dunbar spotted Sputnik traveling across the sky from where she stood on her family’s farm, she knew that’s what she wanted to do when she got older. In Space Adventurer: Bonnie Dunbar, Astronaut, readers ages 5 to 8...
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