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  Unit 4 Materials ‐ Vocabulary brittle easily broken or cracked / not strong : easily damaged get older your bones become brittle dense thick and difficult to see through as the storm cleared, a dense fog came down detonator an electrical device that is used from a distance to make a bomb explode Dynamite with detonator drowsiness a feeling of being sleepy Drowsiness linked with learning problems at school. duct tape very strong strip or tape that is sticky on one side, often used for repairing things or covering holes in pipes Sometimes some people tape their windows with duct tape in preparation for sand storms.

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  • 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.