What’s Inside? Great Inventions
This book features explanations of eight early inventions including the printing press, telephone, and sewing machine. The illustrations label the exterior and interior working parts. Inventors used their human capital; the inventions are examples of goods; and interior parts are examples of intermediate goods.
Economic Concepts
- Goods and Services
- Human Capital
- Intermediate Goods
Grade Levels
- Primary (K-3)
- Intermediate (4-6)
Related Subjects
- Science
Teacher Tips for Using this Book
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