Describes how humans first started using tools and traces the evolution of tools from simple stone implements to the high-tech devices of today, and includes experiments illustrating the scientific concepts behind tools.

4) What a great idea!: inventions that changed the world

Author

Tomecek, Steve

Publisher

Scholastic Nonfiction

Pub. Date

2003

Accelerated Reader

IL: MG - BL: 8.7 - AR Pts: 4

Language

English

Description

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45 technological touchstones are described and illustrated.

5) Stars

Author

Tomecek, Steve

Series

Jump into science

Publisher

National Geographic

Pub. Date

[2003]

Accelerated Reader

IL: LG - BL: 3.6 - AR Pts: 1

Language

English

Description

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Introduces stars and what they are made of, how they shine, their positions with relation to earth, and more.

6) Ultimate rockopedia: the most complete rocks & minerals reference ever

Author

Tomecek, Steve

Series

National Geographic kids

Publisher

National Geographic

Pub. Date

[2020]

Language

English

Description

Read Description

"Where do diamonds come from? What makes gems sparkle? How did Mount Everest and the Grand Canyon form? Find answers to these questions and many more in this rockin' reference book. Welcome to the amazing world of rocks and minerals! Let's start at the very beginning, with an introduction to the origin of our rocky planet, then move on to explore the world of igneous, sedimentary, and metamorphic rocks. You'll discover how they form, what makes them...