2nd-dont+know-+sydney+alexa+ryan+t

= Chemical - batteries/fire = = Acoustic - drum/ jingle/any noise coming from electronic device = = low note on a stereo/ speaker. = = Mechanical -Anything that setsoff a chain reaction = = Moving water, pouring,moving any object,lifting something/ dropping = = Thermal - Anything with heat,a toaster,a hairdryer. =



= //How our project worked:// = = //First,someone pulls back the yoyo,keeping it straight with the project.// = = //The yoyo knocks down the block// = = //The block hits the cup,with the tennis ball on top.// = = //The cup falls down and sets the easy button of// = = //The tennis ball rolls on,knocking the ball(with the sticker) down the track// = = //The car delivers sticker to the awaiting child.// = = = = = = //~Sydney,Alexa, and ryan.// =