Simple Machines Fun!: Wedges

Simple Machines Fun!: Wedges

Author:

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, from hand axes to handsaws, in this fascinating title for beginning readers.
AGES
AR LEVEL
READ TIME
LEXILE
PAGES
PUBLISHER
ISBN
5-7
2.2
15-30 mins
490L
22
Bellwether Media (Unlimited)
9781618915351
AGES
READ TIME
AR LEVEL
LEXILE
5-7
15-30 mins
2.2
490L
PAGES
PUBLISHER
ISBN
22
Bellwether Media (Unlimited)
9781618915351

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