Screws By: Billy McDevitt, Lindsay Kolodziejski, Sara O’Duffy, Joe Church.

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Simple Machines.

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Presentation transcript:

Screws By: Billy McDevitt, Lindsay Kolodziejski, Sara O’Duffy, Joe Church

Spiral thread head groove The screws parts

How the screw works Are simple machine works by every turn pulled in to the wood by one thickness of the thread. After several turns the screw is firmly in place. a screw worksHow a screw works

Real life examples Here are a couple of real life examples. Corkscrews bottle caps hoses spiral stair cases boat motors. These are real life examples because cork screws turn into the cork tightly to pull it out. A spiral stair case is like a giant screw that you clime.

How screws make life easier Building a house like putting stuff together. Building a stair case so that you can go up stairs. Having a water screw so that you can bring lower water levels to a higher level.