Class notes SCIENCE LESSON NOTES - 2020

!51&71%=G!1*!-%DC!G*2!2$3%&517$3!1-%! I2%510*$5!8%11%&!7$3!-,/'1&'!G%./!)1,'&!%4!&%/-,!D!H C 60=-D0=-1!0+C*&17$1!0$B*&+710*$!D09%X D Y0+!*B!%ZC%&0+%$1[!0$H%510=710*$ 7 2+8%&5!:%E=E!1%+C%&712&%J!I27$101GJ!D%$=1-J!30517$/%;! : ]0BB%&%$1!^!7$G!30BB%&%$/%5!7+*$=!1-%!5%1M2C5_ " .7+%!^!7$G!50+0D7&010%5!7+*$=!1-%!5%1M2C5_ 9 "$!#-71!1*C0/_! E F71/-!^!#01-!1-%!#%DDMC-&75%3!7$5#%&5E 0CF"F!D8F!I9;7:!I89E!JDKF" L!M!NOH F SZ7+0$%!7$3!73`251!^ 1-%!#%DDMC-&75%3!7$5#%&5 1*! &%D71%!87/9!1-%!I2%510*$E !*'+$,"-./,'0%,*)*1*)$%'+1%)$2!(((((((((((((((((((((((((((((((((((((((((((((((((((((!7=%!a FPDEJ=F" ,3-/45,): dEFFEQD![KFQEZ!QH!]IFZ!HPQ!I]!QDE!KRHPFQ!H]!ZIJJHSNEZ!GKLVHF!ZIHbIZE! NKLIEJ![DEF!ZI]]ELEFQ!HLMKFIJRJ![ELE!SKGEZ!IF!QDE!aKLJ_!/E!JEQ!P!QDE! QDLEE!IZEFQIGKS!KILQIMDQ!aKLJ!e[IQD!JKRE!KRHPFQ!H]![KQELf!KFZ!PQ!QDER! KQ!QDE!JKRE!SKGE_ )))))))))))))))))))))))))))Z@H)- Z@H)Y )))))Z@H)( 8HPL!DHPLJ!SKQELO!dEFFEQD!REKJPLEZ!QDE!KRHPFQ!H]!ZIJJHSNEZ!GKLVHF! ZIHbIZE!IF!EKGD!H]!QDE!aKLJ_! ^J@G)UMCC)J@BBDL)GK)GJD)CDODC)KN)I@HRKL)SMK?MSD)ML)D@IJ)[@H_ !*'+$,"-./,'0%,*)*1*)$%'+1%)$2!(((((((((((((((((((((((((((((((((((((((((((((((((((((!7=%!Ab FQ('/-6',#& +6(%/#1,#!#)-,&!12%.#!'Q('/-6',#& 6_ %F!HLZEL!]HL!KF!EbELIREFQ!QH!VE!K!]KIL!QEJQO!KLCE):)O@HM@RCD!JDHPSZ! VE!GDKFMEZ!IF!KSS!QDE!JEQ.PJ_! _ &HFQLHS!JEQ.PJ!KLE!QH!RKTE!JPLE!QDKQ!GJD)HDFQCG)MF)SQD)GK)GJD) IJ@LPDS)O@HM@RCD)KLCEO!KFZ!FHQ!ZPE!QH!KFY!HQDEL!]KGQHLJ_ =_ 3bELIREFQJ!DKNE!QH!VE!LEEKQEZ!KQ!SEKJQ!=!QIREJ!QH!DLFQHD)GJ@G) GJD)HDFQCGF)@HD)IKLFMFGDLG)@LS)HDCM@RCD_ R1/-123'& gPEJQIHFJ!ZEKSIFM![IQD!KF!EbELIREFQKS!JEQ.P!PJPKSSY!KJT!YHP!KVHPQ! NKLIKVSEJ!H]!QDE!EbELIREFQ_ 4EKZ!QDE!hPEJQIHF!GKLE]PSSY!KFZ!IZEFQI]Y!X 6f "DE!KIR!H]!QDE!EbELIREFQ_! f "DE!ZI]]ELEFGEJ KRHFM!QDE!JEQ.PJ_ =f "DE!HFSY!NKLIKVSE!QDKQ!IJ!QEJQEZ_ f "DE!LERKIFIFM!NKLIKVSEJ!eQDEY RPJQ!VE!QDE!JKRE!IF!KSS!QDE!JEQ.PJf_ !*'+$,"-./,'0%,*)*1*)$%'+1%)$2!(((((((((((((((((((((((((((((((((((((((((((((((((((((!7=%!Ac "DIJ![HLTJ!]HL!QKVSEJ!KJ![ESS' ,?@ABCD)2)`#@RCDa *PRVEL!H]!GHISJ!eKLHPFZ!K!RKMFEQIG!HVaEGQf!IJ!%*8(93*&%*+!QDE! FPRVEL!H]!IFJ!KQQLKGQEZ_ "DE!FPRVEL!H]!IFJ!KQQLKGQEZ!IJ!VEIFM!%*8(93*&3-_ "!,J!QDE!FPRVEL!H]!GHISJ!eKLHPFZ!K!RKMFEQIG!HVaEGQf IFGLEKJEJO!QDE! FPRVEL!H]!IFJ!IFGLEKJEJO!VPQ!P!QISS!K!GELQKIF!EbQEFQ_ !*'+$,"-./,'0%,*)*1*)$%'+1%)$2!(((((((((((((((((((((((((((((((((((((((((((((((((((((!7=%!L 9JIFM!QDE!+-"&.%/,)JQLKQEMYX +IMDSIMDQ! X!-%2 dEFFEQD![KFQEZ!QH!]IFZ!HPQ!I]!QDE!KRHPFQ!H]!ZIJJHSNEZ! GKLVHF!ZIHbIZE!NKLIEJ![DEF!ZI]]ELEFQ!HLMKFIJRJ![ELE SKGEZ!IF!QDE!aKLJ_f X "92;340 QDLEE!IZEFQIGKS!KILQIMDQ!aKLJO!8HPL!DHPLJ!SKQEL X)&%88343*&30! LEJEFGE!H]!]IJD!KFZ!HFZ[EEZ X).%2%(,4%"%30! aKLJO!SKGEO!KRHPFQ!H]![KQELO!LEJEFGE!H]!SIMDQ %*![DKQ!QHIG`! $DHQHJYFQDEJIJ!:!LEJILKQIHF /,"&/ [IQD![ESS. DLKJEZ!KFJ[ELJ "DKQiJ!HF!M!6 j . $DHQHJYFQDEJIJ!IJ!K!LHGEJJ!IF![DIGD!MLEEF!SKFQJ! GHRVIFE!GKLVHF!ZIHbIZE!KFZ![KQEL!IF!QDE!LEJEFGE!H]! SIMDQ!QH!MINE!MSPGHJE!KFZ!HbYMEF_ (@HRKL)SMK?MSD)b)^@GDH)`O@BKQHa)b),LDHPE)" 0CQIKFD)b)%?EPDL) jB!. -PLIFM!IFDKSKQIHF!KFZ!EbDKSKQIHFO!KFIRKSJ!QKTE!IF! HbYMEF!KFZ!MINE!HPQ!GKLVHF!ZIHbIZE_ ,^,2%*3!:! ,-k90" ,FJ[EL' #JD)I@HRKL)SMK?MSD)ML)Z@H)-)UMCC)MLIHD@FD)@F)GJD)NMFJ) D?J@CDF)I@HRKL)SMK?MSDW) !L)Z@H)YT)GJD)NMFJ)MF)@CFK)D?J@CMLP)I@HRKL)SMK?MSD)RQG)MG) MF)G@VDL)ML)RE)GJD)BJKGKFELGJDFMcMLP)BKLSUDDSFW).K) I@HRKL)SMK?MSD)CDODC)UMCC)SDIHD@FDW -F)NKH)Z@H)(T)GJDHD)MF)LK)NMFJ)GK)IKLGHMRQGD)I@HRKL) SMK?MSDT)GJD)BJKGKFELGJDFMcMLP)BKLSUDDSF)G@VD)ML) GJD)I@HRKL)SMK?MSD)FK)MGF)CDODC)@CFK)SDIHD@FDF