AWorldofWedges
Whereelsecanyoufindwedges?Let’sfindout.Lookinatoolbox.Nailsarewedges.Soarethumbtacksandpushpins.Lotsofgardentoolsaremadeofwedges.Thebladesofshovelsandhoesare wedges.
Here’sanotherexample.Snowplowsarewedges.Theyscrapesnowoffroads.Thebladeoftheplowreachesunderthesnowtolift itoffthe road.

snowplow

chisel

garden tools

Somewedgesarehidden,like inazipper!Whenyoupulluponthezipper,smallwedgesinsidethesliderpushtheteethtogether.Whenyoupulldown,anotherwedgeseparatestheteeth,likeatinyaxesplitting wood.
WedgesontheMove
Sofar,mostofthewedgesyouhavereadaboutcutthroughsolidthings,likewood,soil,and food.
Butwedgescancutthroughliquids,too.Lookatthefrontofaboat.Thewedgeshapeletstheboatslicethroughthewaterwith ease.
Nowyouknowalotaboutwedges.Thinkaboutsomewaysyoumightusethissimple machine.

Thewedgeshapeofa boat's bowletsit slicethroughthewaterwithease.