First Science Experiments

Mighty Machines
Title rated 3 out of 5 stars, based on 1 ratings
Current format, Book, 2004, Available .
Current format, Book, 2004, Available . Offered in 0 more formats
How do machines work? Kids will have a blast constructing a mini-seesaw to illustrate the way a lever operates or creating their very own pulley from an empty spool, string, ribbon, pails, pennies, a broom, and two chairs. They'll find out why they can't put in a screw using only their fingers and examine the…

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