PRUEBA DE CIENCIAS NATURALES 8° AÑO BÁSICO UNIDAD IV: “TEMPERATURA Y CALOR”
(28 puntos)
NOMBRE ALUMNO(A): ALUMNO(A): __________________________ ______________________________ ____ EC!A: __"##"2$#% PUNTA&E:____ I
ENCI ENCIE ERRA LA LA LETR LETRA A DE DE LA AL ALTER TERNATI NATIV VA CORR CORREC ECT TA: (22 puntos)
#' En un un * * +*,u +*,u-o -oso so.. Sebst!"n /01 un t-oo / +3o+o,*t/ so4-/ un* 5/s* /6pu/st* *, so,. 7 *, +*4o / un*s 3o-*s u/ * 4us+*-,o' 9C15o s/ /n+ont-*-n ,*s p*-t+u,*s ;u/ +o5pon/n /, +3o+o,*t/< *'= s/p*-**s +'= >?u*, ;u/ *, +o5>/no' 4'= 5u7 0unt*s' '= s>n u/-* / *t-*++>1n' 2' 9@u t/-515/t-o t/-515/t-o ut>,>* ut>,>* 5/-+u->o 5/-+u->o p*-* un+>on*-< un+>on*-< *'= t/t/-515/ 515/tt-o o / ,*4o*4o-*t *too->>o' +'= +'= T/-51 /-515/ 5/tt-o o /,+t->+o' 4'= T/-515/t-o 45/t,>+o' '= T/-515/t-o +,n>+o' ' S> un un +u4o +u4o / 3>/,o s/ +o,o+* +o,o+* * $° C / t/5p/-*tu-*. t/5p/-*tu-*. 9;u ,/ ,/ o+u-->-< *'= Au5/nt*- su 5*s*' +'= C*54>*- / /st*o' 4'= Cons/-*- s/ o-5*' '= Au5/nt*- / o,u5/n' ' 9Cu, / / ,os s>?u>/nt/s s>?u>/nt/s 5*t/->* 5*t/->*,/s ,/s /s un 4u/n +onu+t +onu+too- / C*,o-< C*,o-< *'= ,* ?o5*' 4'= /, >->o' +'= /, 5/t*,' '= /, p,st>+o' ' P*-* un* un* t*-/* t*-/* / +>/n+ +>/n+>*s >*s.. Vn! /-t>1 *?u* /n os *sos / p,st>+o. * >st>nt*s t/5p/-*tu-*s' Lu/?o. >nt-ou0o sus /os /n /n ,os *sos 7 s/ p/-+*t1 / ;u/ /, *?u* *, >nt/->o- / uno / /,,os /st*4* 5s -* ;u/ ,* /, ot-o' 9@u /n15/no ;u>so p-o4*Vn!< *'= L* s/ns*+>1n t-5>+*' +'= Los +*54>os / /st*o' 4'= L* >,*t*+>1n t-5>+*' '= E, /;u>,>4->o t-5>+o' %' 9Cu, / ,os ,os s>?u>/nt s>?u>/nt/s /s 5*t/->*, 5*t/->*,/s /s /n un 5/0o5/0o- *>s,*nt/ *>s,*nt/ t-5> t-5>+o< +o< *'= *?u*' 4'= p,*t*' +'= +o4-/' '= 3>/--o' F' To#$!to /01 o,>*o un *so +on +on *?u* /n un* t*-/ / /-*no' Cu*no o,>1 s/ p/-+*t1 / ;u/ /, n>/, / /st* >s5>nu71' 9@u +*54>o / /st*o />/n+>1 To5s< To5s< *'= us>1n' 4'= su4,>5*+>1n' +'= /*po-*+>1n' +on/ns*+>1n' 8'= %e&t!' /01 0untos os +u/-pos ;u/ /st*4*n +*,>/nt/s * >st>nt*s t/5p/-*tu-*s' Estos os +u/-pos /stn /n +ont*+to +o5o s/ 5u/st-* /n ,* s>?u>/nt/ >5*?/n: Cu/-po A F$° C
Cu/-po B 2$° C
'=
9@u /s +o--/+to *G-5*- -/sp/+to / ,* t-*ns/-/n+>* / +*,o-< *'= O+u--/ t-*ns/-/n+>* / +*,o- /s/ /, +u/-po A 3*+>* /, +u/-po %' 4'= O+u--/ t-*ns/-/n+>* / +*,o- /s/ /, +u/-po % 3*+>* /, +u/-po A' +'= No /6>st/ t-*ns/-/n+>* / +*,o- pu/s /stn /n /;u>,>4->o t-5>+o' '= A54os +u/-pos -/+>4/n +*,o- /, /nto-no 3*st* ;u/ *u5/nt/n su t/5p/-*tu-*' H'= 9En +u, / ,*s s>?u>/nt/s s>tu*+>on/s M*t*s Muo o4s/-1 /t/n>*5/nt/ 7 ,,/?1 * ,* +on+,us>1n / ;u/ s/ /st*4* p-op*?*no +*,o- po-*>*+>1n< *'= Un* /stu* /,+t->+* /n+/n>*' 4'= C*,/nt*- un* sust*n+>* /n un *so p-/+>p>t*o' +'= Un* +u+3*-* ;u/ s/ +*,>/nt* *, /st*- /n un p,*to +on sop*' '= Un* o,,* /n /, u/?o +*,>/nt* /, *?u* ;u/ /st /n su >nt/->o-' #$' 9En +u, / ,*s s>?u>/nt/s s>tu*+>on/s &os />/n+>1 >n s>tu ,* +onu++>1n /, +*,o-< *'= Un* /stu* /n+/n>*' 4'= Un* p/-son* us*no /, s/+*o- / p/,o' +'= E, *?u* 3>->/no /n un 3/->o- /,+t->+o' '= Un* +u+3*-* /nt-o / un t*1n +on *?u* +*,>/nt/' ##' Du-*nt/ un* /-up+>1n o,+n>+*. *,?un*s /+/s s*,/ ,** /s/ /, >nt/->o- /, +-t/-' Cu*no /st* s/ /sp,**. s/ /n-* 7 s/ +on>/-t/ /n -o+*. 9Po- ;u o+u--/ /st/ /n15/no< *'= Po-;u/ ,* ,** +*54>* / /st*o' 4'= Po-;u/ ,* ,** s/ +ont-*/ /4>o * ,* t/5p/-*tu-*' +'= E, *?u* 3>->/no /n un 3/->o- /,+t->+o' '= D/4>o * ;u/ ,* ,** s/ >,*t* +on /, *u5/nto / ,* t/5p/-*tu-*' II LEE Y RESPONDE: puntos)
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#'= D/spus / ,o /stu>*o /n /st* un>* 9Es ,o 5>s5o Te#pe&tu& 7 C'o&< un*5/nt*' ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________
2'= 9@u>n u/ ANDERS CELSIUS< ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________
'= D>4u0* un /0/5p,o +ot>>*no /n on/ s/ /5u/st-/ ;u/ s/ /st +/>/no +*,o- po- &!$!*n /n tu 3o?*- o *;u /n tu s*,* / +,*s/s:
JR/>s* tu /*,u*+>1n *nt/s / ;u/ s/ ,* /nt-/?u/s /Gn>t>*5/nt/ * tu p-o/so-K
