Unit4MaterialsVocabulary brittle easilybrokenorcracked /notstrong:easilydamaged get olderyourbonesbecome brittle dense thick and difficult to see through as the storm cleared, a dense fog came

down

detonatoranelectricaldevicethatisusedfromadistancetomakeabombexplodeDynamite with detonator

drowsiness afeelingofbeingsleepy Drowsinesslinked withlearningproblems

atschool.

ducttapeverystrongstriportapethatisstickyononeside,oftenusedforrepairingthingsorcoveringholesinpipesSometimes somepeopletapetheirwindowswith ducttape inpreparationforsandstorms.

expand increaseinsizeorspreadout. The airinsidetires expands whenhotandcontractswhencold

intelligence the ability to learn, understand, and think

about things

John showed high intelligence, he has got A+.

jetlaga tiredandunpleasantfeelingthatyousometimesgetwhenyoutravelbyairplane toaplacethatisfarawayIhadbadjetlag afterthatlasttriptoEurope.

translucent nottransparent,butclearenoughtoallow

lighttopassthrough Hisnewofficeisfromtranslucent glass,so

noonecanseehimclearly.

PliableabletobendwithoutbreakingorcrackingSomekindsofplasticbecomepliable iftheyreheated.