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_ Class 39 Scfence | Cheniistry Cnapler 21 Matter %n. Our, Surrounding * “Sample Papert: a - Qi: Dehne matter -Mek_any hoo characlerteltre of particles, __ oh matter. : : _ Inet Matter o_anyiiiing ‘hal aa mass and _oceupies __| space. a _ ___ Clharaclerteiics _ol_parikcles ol _enatter§ + Particles_ol_matter_ace_confiauonsly moving | © Particles, cl matter \nave emace hehneen nem. ME What te dtlfuefon 2 Expidin ust one example each tn __ aclide, Rode ,and oases. _ _ Nast] DiSuefon Ts. Yhe_movemnenl_ of __,of_ Higher _concentraiion tp_a_req past New. % rT ecton. 7 ono lower conceniratton fT ee ————— oo —_—_ _alt Vouide & nk spread _evenly_when_added to waler. Vie eaira & When suo ela Inlocka Uke atacand inal are kepl _toggner\rom_a long 5 —| a ie tg a | tne boundary. —______—_— Fo apes, 5 Fragrance h_perlyme spread aceroas a en = - wooo, — a weeden lacle should be called | vtheudn YU does nck appear to flow Wke air. \ne's. A wooden able % conc&dered matter because I nas —TFieua a, Occupies space. Ahougn. {_doean’t | A -yli_fe_made_ol_parVides and hence Is a_iorm oe cnatler Flowing %c_fm not_a_reafcement a melting 4p _ ‘he matter. - ee Qui Define latent heat of vanorizaifon What happens ‘othe ___ temperature of _water_usktle %k te bilifing? Why? Ina’, Latent ‘heal ol_vanortvalion ts ‘ne amounl ov_heal Lreaiced An converi Aka sh a Noid into vapor -usthout a__chanae in lerncecaluce \iiitle facing, ne ___demper ature O\_inveler remains, conciaat at WoC because tne ‘neal _eneray Go, woreda An lnreak ‘he Sater molecular force and convert Aicaicel fain oe. o . Qe! Why Ao ine feel cool winen use Saray peckume or apply alcool _on ovr kin 2 2 *) Wien oe spray pectumne ox apy alcatnot_on Ane skin, 8) atickly evaporates. During, exapocatton_.tt_ansarbe, \ Lin, caveing a cockln _eMeck. | \aleal ‘nes {rom our | Cy ° - 2) cation ta _an_ende\her mic This lhaapens hecauae eNvann Oc ocec> 
