Wedges
Wedges were some of the first tools humans ever created! Today, these simple machines are found all around, from doorstops to our own front teeth. Diagrams and simple text explain how wedges work, while experiments allow readers test the machines for themselves. Move through the history of wedges, f...
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| Format: | EBOOK |
| Language: | ENGLISH |
| Published: |
Bellwether Media
2020
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| Series: | Blastoff! readers: Simple machines fun! |
| Subjects: |