Contoh Soalan Kbat Sc

2015. S26

Coimisiún na Scrúduithe Stáit State Examinations Commission

JUNIO CE!I"IC# CE!I"IC#!E !E E$#%IN#!ION& E$#%IN#!ION& 2015

SCIENCE ' (I)(E *E+E* !(US,#!(US,#-& 11 JUNE J UNE ' %ONIN)& ./0  ./0 to 11./0

INS!UC!IONS 1. 2. /. .

rite our examination num3er in the 3ox 4roided on this 4ae. #ns7er a88 9uestions. #ns7er the 9uestions in the s4aces 4roided in this 3oo:8et. I; ou re9uire extra s4ace& there is a 38an: 4ae 4roided at the 3ac: o; this 3oo:8et. !he use o; the "ormu8ae and !a38es !a38es 3oo:8et a44roed ;or use in the State Examinations is 4ermitted. # co4 ma 3e o3tained ;rom the examination su4erintendent. "or examiner use on8 Section < =uestion%ar: >io8o =.1 ?52@ =.2 ?/@ =./ ?/@ Chemistr =. ?52@ =.5 ?/@ =.6 ?/@ Ahsics =.B ?52@ =. ?/@ =. ?/@ !ota8 ?Aa4er@ >onus ;or Irish )rand !ota8 ?Aa4er@ ?/0@ Course7or: # ?60@ Course7or: > ?150@ )rand !ota8 ?600@

Centre Num3er

Examination Num3er

Aae 1 o; 20

"or examiner use on8

>io8o

?1@ ?2@ =uestion 1

?52@ $

?a@

#88 8iin thins are made o; ce88s. !he diaram is o; an anima8 ce88. ?i@ Name the 4art 8a3e88ed $. DDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name one su3stance that is a38e to 4ass throuh the mem3rane o; an anima8 ce88. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?3@

A8ant ce88s are rou4ed into tissues. ?i@ Name one exam48e o; a 48ant tissue. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ State the ;unction o; the 48ant tissue ou hae named. DDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? c@

In erminatin seeds& the radic8e a87as ro7s do7n7ards& as in the diarams.

?i@ hat name is ien to this ro7th res4onse DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ hat is the adantae to the 48ant o; the radic8e a87as ro7in do7n7ards DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?d@

!he diaram sho7s the 2 das o; the human ;ema8e menstrua8 cc8e. ?i@ hat is meant 3 the ;erti8e 4eriod o; the menstrua8 cc8e DDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ ,urin 7hat rane o; das ?3et7een 1 and 2@ is menstruation most 8i:e8 to occur DDDDDDDDDDDDD

Aae 2 o; 20

? e@


%amma8s& inc8udin humans& use some o; the ener the re8ease ;rom ;ood to :ee4 their 3odies at a hiher tem4erature than that o; their surroundins.

?1@ ?2@

?i@ hat is the norma8 tem4erature o; the adu8t human 3od ?)ie our ans7er in FC.@ DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ hat is the name o; the 4rocess 3 7hich mamma8s re8ease ener ;rom ;ood DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?;@

,urin aseous exchane in the 8uns& as $ 8eaes the

#8eo8us

38ood esse8 and enters the a8eo8us. #t the same time& $

as - 8eaes the a8eo8us and enters the 38ood esse8.

?i@ Name as -. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name the t4e o; 38ood esse8 sho7n in the diaram. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?@

>8ood esse8

!he s:in is an excretor oran& and is the 8arest oran in the human 3od. Name t7o su3stances excreted 3 the s:in. 1. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD 2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?h@

!he diaram sho7s chromosomes in the nuc8eus o; a ce88 ta:en ;rom the 8inin inside a 4ersonGs mouth. ?i@ (o7 man di;;erent 4airs o; chromosomes are usua88 ;ound in the nuc8eus o; a human ce88 DDDDDDDDDD ?ii@ hat name is ien to the 4arts o; chromosomes that contro8 inherita38e characteristics DDDDDDDDDDDDDDDDD ?iii@ Name one human inherita38e characteristic. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ Name the t7o su3stances ;rom 7hich chromosomes are made. 1. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD 2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?B H 6  1 H 10@ Aae / o; 20

=uestion 2

?a@

?/@

%an ;oods that 7e eat contain a 8ot o; starch& 7hich is a ;orm o; car3ohdrate.

?6@

Name t7o other ;orms o; car3ohdrate that are im4ortant in a 3a8anced diet. 1. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD 2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?3@

hen 7e eat starch ;oods& the starch must 3e 3ro:en do7n in our diestie sstems usin enmes.

?1@

?i@ h do 7e need to eat starch ;oods DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ hat is an enme DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ Name the enme 7hich 3eins to 3rea: do7n starch in our diestie sstems. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ Name the 4roduct o; the 3rea:do7n o; starch 3 this enme. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?@ Name t7o 4arts o; our diestie sstem 7here the 3rea:do7n o; starch ta:es 48ace. 1. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD 2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae  o; 20


?1@ ?2@

? c@

Starch is 4roduced as a resu8t o; 4hotosnthesis in a 48ant.

?15@


!he diaram sho7s one o; the ste4s ino8ed in ?1@ ?2@

testin a 8ea; ;or the 4resence o; starch. !he 4ur4ose o; this ste4 is to remoe ch8oro4h88 ;rom the 8ea;. ?i@ h is it necessar to remoe the ch8oro4h88 ;rom the 8ea; DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name 8i9uid $. DDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ )ie a detai8ed descri4tion o; the next ste4s that the student 7ou8d ta:e 7hen testin the 8ea; ;or the 4resence o; starch. Inc8ude in our descri4tion an account o; ho7 the student 7ou8d :no7 that there 7as starch 4resent in the 8ea;. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 5 o; 20

$

=uestion /

? a@

?/@

?1@ ?2@

!he 4hotora4h is o; 3eehies in the midd8e o; an a448e orchard. #448e trees he84 3ees and 3ees he84 a448e trees.

?12@

?i@ hat is the name ;or this sort o ; re8ationshi4 3et7een t7o s4ecies DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ (o7 do a448e trees he84 3ees DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ (o7 do 3ees he84 a448e trees DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ hat e;;ect miht the dec8ine in 3ee num3ers hae on the num3er o; a448es 4roduced in orchards Ex48ain our ans7er. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? 3@

!he diarams are o; the human ee& as seen under di;;erent conditions o; 8iht intensit.

?@

?i@ Name the 4art o; the ee 8a3e88ed C. DDDDDDDDDDDDDDDD ?ii@ hich diaram ?# or >@ sho7s ho7 the ee 7ou8d

#

a44ear under a 8o7 8ee8 o; 8iht intensit DDDDDDDDDDD

C

Ex48ain our ans7er. DDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 6 o; 20


>

? c@

!he diaram sho7s the 3ones in a human 8e.


?1@

?i@ Name the 3ones 8a3e88ed $ and -. ?1@ ?2@

$ DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD - DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

$

?ii@ In the diaram& 8a3e8 the 8ocation o; a 3a88 and soc:et Koint 7ith the 8etter >. ?iii@ In the diaram& 8a3e8 7ith the 8etter # the arro7 7hich sho7s the direction in 7hich 38ood ;8o7s throuh arteries in the human 8e. ?i@ ,escri3e t7o di;;erences 3et7een the 4hsica8 structure o; arteries and the 4hsica8 structure o; eins. ,ra7in a 8a3e88ed diaram ma he84 our ans7er. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

*a3e88ed diaram

Aae B o; 20

-


Chemistr

?1@ ?2@ =uestion 

? a@

?52@

Natura8 as is used as a ;ue8 in man Irish homes.

?i@ Name the hdrocar3on com4ound that is the main com4onent o; natura8 as. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ hen natura8 as is 3urned com48ete8& car3on dioxide and one other com4ound are ;ormed. Name the other com4ound. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? 3@

!he 3a8anced chemica8 e9uation ;or the 4re4aration o; oxen in the 8a3orator is as ;o88o7sL

2(2O2 M 2(2O  O2

?i@ Ex48ain the meanin o; the 8are num3er 2 at the start o; 2( 2O2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Ex48ain the meanin o; the sma88 num3er  2 at the end o; 2(2O2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? c@

20 cm/ o; air is dra7n into a srine. !he ti4 is coered& as in the diaram& and the 4iston is 4ushed in to the 10 cm/ mar:.

?i@ hat 4ro4ert o; ases is 3ein demonstrated here DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Ex48ain 7h the 4iston cou8d not 3e 4ushed in i; the srine had 3een ;i88ed 7ith 7ater instead o; air. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? d@

Iron nai8s rust easi8. Name t7o methods o; rust 4reention. 1. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD 2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae  o; 20

? e@


rite a 3a8anced chemica8 e9uation ;or the reaction 3et7een hdroch8oric acid ?(C8@ and ca8cium car3onate ?CaCO /@.

?1@ ?2@

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?;@

%anesium ri33on 3urns in air to 4roduce an intense 7hite 8iht. !he com4ound manesium oxide is ;ormed in the reaction. ?i@ hat t4e o; 3ondin is 4resent in manesium oxide DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ hat co8our does moist 8itmus 4a4er turn in the 4resence o; manesium oxide DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? @

?i@ Name the as 4roduced 7hen inc is 48aced in a so8ution o; hdroch8oric acid. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name one meta8 7hich is 8ess reactie than inc 7hen 48aced in hdroch8oric acid. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? h@

# science student set u4 the e9ui4ment sho7n in the diaram to carr out a titration o; an acid aainst a 3ase.

?i@ hat name is ien to the reaction 3et7een an acid and a 3ase DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name the t7o 4roducts enera88 ;ormed in the reaction 3et7een an acid and a 3ase. 1. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD 2. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD #cid ?iii@ Examine the diaram and state one ex4erimenta8 error 7hich the student has made. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

>ase  Indicator

?B H 6  1 H 10@ Aae  o; 20

=uestion 5

?a@

?/@

?1@ ?2@

"rom 2015& man domestic consumers 7i88 hae to 4a ;or the su448 and treatment o; 7ater. # num3er o; 4rocesses are needed so that domestic 7ater is suita38e ;or househo8d uses. !he diaram 3e8o7 sho7s some o; the 4rocesses ino8ed in 7ater treatment.

?2@

?i@ Name the ;irst 4rocess in 7ater treatment& 8a3e88ed #.

#

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD Name one item that miht 3e remoed >

;rom the 7ater durin 4rocess #.

C

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ,

?ii@ Ex48ain 7h 7ater is ta:en ;rom the to4 o; the container 8a3e88ed >. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

E

?iii@ h& durin 4rocess C& is the 7ater 4assed throuh a ;i8tration 3ed DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ ,urin 4rocess , microPoranisms in the 7ater are :i88ed 7hen a certain chemica8 is added. Name the chemica8. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?@ Name the ;ina8 4rocess in 7ater treatment& 8a3e88ed E. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ Ex48ain 7h it is im4ortant that the 7ater su448ied to our homes is treated. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ # 8ot o; the 7ater treated ;or domestic use is 8ost due to 8ea:in 4i4es. Ex48ain 7h 7ater 4i4es ma et damaed durin er co8d 7inters. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 10 o; 20


?3@

%an 4eo48e 8iin in 8imestone areas in Ire8and hae hard 7ater.

?6@


?i@ Name a meta8 ion that causes 7ater to 3e hard. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?1@ ?2@

?ii@ ,escri3e one 7a to remoe the hardness ;rom 7ater. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? c@

$

ater ma 3e decom4osed into its e8ements 3 means o; e8ectro8sis& as in the diaram.

?@

?i@ Name the as 8a3e88ed $. DDDDDDDDDDDDDDDDDDDD ?ii@ !he e8ectrodes must 3e made ;rom a materia8 7hich 7i88 not react 7ith the 7ater durin the e8ectro8sis. Name a materia8 ;rom 7hich the e8ectrodes miht 3e made. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ # chemica8 must 3e added to the 7ater so that e8ectro8sis can ta:e 48ace. Name a chemica8 suita38e ;or this 4ur4ose. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 11 o; 20

E8ectrode

E8ectrode

=uestion 6

?a@

?/@

?1@ ?2@

!he e8ement sodium is ien the chemica8 sm3o8 Na and can 3e ;ound in the Aeriodic !a38e on 4ae B o; the "ormu8ae and !a38es 3oo:8et.

?15@

?i@ Sodium is in )rou4 1 o; the Aeriodic !a38e. hat is the other name ien to this rou4 DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ SodiumP2/ is the most common isoto4e o; sodium. ,ra7 a mode8 o; the structure o; an atom o; sodiumP2/ in the 3ox 3e8o7. -our 8a3e88ed diaram shou8d sho7 the 8ocation o; a88 o; the su3Patomic 4artic8es in the atom. *a3e88ed diaram

?3@

Aotassium is a8so 8ocated in )rou4 1 o; the Aeriodic !a38e. %an o; the chemica8 4ro4erties o; 4otassium are simi8ar to those o; sodium. ?i@ Ex48ain 7h sodium and 4otassium hae man simi8ar chemica8 4ro4erties. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ One chemica8 4ro4ert o; 3oth sodium and 4otassium is that the react iorous8 in 7ater. Com48ete the ;o88o7in 7ord e9uation ;or the reaction 3et7een 4otassium and 7ater.

Aotassium  ater M DDDDDDDDDDDDDDDDDDDDDDD  DDDDDDDDDDDDDDDDDDDDDD

Aae 12 o; 20


?6@

? c@

!he 4iePchart 3e8o7 sho7s the com4osition o; ases in the air.

?1@


?1@ ?2@ )as # ?21 Q@

Other ases ?1 Q@

)as > ?B Q@

?i@ Name as #. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name as >. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ Car3on dioxide is one o; the other ases ;ound in air. ,escri3e an ex4eriment to sho7 that car3on dioxide is ;ound in air. ,ra7in a 8a3e88ed diaram ma he84 our ans7er.

*a3e88ed diaram

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ Out8ine one 4iece o; ex4erimenta8 eidence 7hich sho7s that air is a mixture& rather than a com4ound. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 1/ o; 20


Ahsics

?1@ ?2@ =uestion B

?a@

?52@

# rain3o7 is seen 7hen 7hite 8iht is se4arated into its co8ours. ?i@ Name the 4rocess that ha44ens 7hen 7hite 8iht is se4arated into its co8ours. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name a 4iece o; 8a3orator a44aratus 7hich can 3e used to se4arate 7hite 8iht into its co8ours. DDDDDDDDDDDDDDDDDDDDD

?3@

,oes heat hae to 3e added to or remoed ;rom so8id ice at 0 FC in order to chane its state to 8i9uid 7ater at the same tem4erature Ex48ain our ans7er. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? c@

!he circuit diaram sho7n inc8udes a 3atter& a 8ihtPde4endent resistor ?*,@ and a 3uer. hen a student coers the *, 7ith his hand& the noise ;rom the 3uer 3ecomes ;ainter. Ex48ain 7h this ha44ens. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? d@

# c8indrica8 38oc: o; 7ood has radius 2 cm& heiht B cm and mass 66 .

?i@ Ca8cu8ate the o8ume o; the 38oc:. ?-ou ma need to re;er to 4ae 10 o; the "ormu8ae and !a38es 3oo:8et.@ Ca8cu8ation

?ii@ Ca8cu8ate the densit o; the 7ood. Ca8cu8ation

Aae 1 o; 20

? e@


Crac:s ma a44ear in the sur;ace o; a road on a er hot and sunn da.

?1@ ?2@

?i@ Ex48ain 7h this ha44ens. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ (o7 does heat trae8 ;rom the Sun to the Earth DDDDDDDDDDDDDDDDDDDDDDDDDDDDD

?;@

# metre stic:& sus4ended ;rom its midP4oint& has a 7eiht o; 1. N hanin ;rom the 20 cm mar:. Ca8cu8ate 7here a student must han a 7eiht o; 2.B N so that the metre stic: 7i88 3e 3a8anced horionta88. 20

50

2.B N

1. N

Ca8cu8ation

? @

#t seaP8ee8& an e 7i88 3e ;u88 coo:ed 7hen 48aced in 3oi8in 7ater ;or three minutes. #t hiher a8titudes& an e needs to 3e in 3oi8in 7ater ;or six minutes 3e;ore it is ;u88 coo:ed. Ex48ain this 4henomenon. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? h@

"rance 4roduces most o; its e8ectricit usin nuc8ear sources& such as uranium.

?i@ #re nuc8ear ener sources considered to 3e rene7a38e or nonPrene7a38e sources o; ener DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD Ex48ain our ans7er. DDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ State one adantae o; 4roducin e8ectricit usin nuc8ear ener sources. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?B H 6  1 H 10@ Aae 15 o; 20

=uestion 

? a@

?/@

?1@ ?2@

,iaram # sho7s t7o ras o; 8iht hittin a 48ane mirror. ,iaram > sho7s t7o ras o; 8iht trae88in ;rom 7ater into air. ,iaram C sho7s t7o ras o; 8iht hittin a concae 8ens.

?i@ Com48ete the ra diarams 3e8o7.

?@

#ir ater

>

#

C ?ii@ Name the 4rocess that occurs 7hen ras o; 8iht 4ass ;rom 7ater into air.

?/@

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

? 3@

In order to consere ener in our homes 7e must tr to 4reent heat 8oss. ,ou38eP8aed 7indo7s reduce heat 8oss. Ex48ain ho7 the do this.

?6@

)as

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 16 o; 20


)8ass

)8ass

? c@

!he ra4h sho7s the s4eed o; a *uas tram as it trae8s ;rom Sto4 * to Sto4 =.

?21@

25


?1@ ?2@

20

O

S4eed15 ?m
A

%

10

N

5

=

* 0

20

0

60

0

100

120

10

160

10

!ime ?s@ ?i@ hat is the maximum s4eed o; the tram durin its Kourne DDDDDDDDDDDDDDDDDDDD ?ii@ Ca8cu8ate the distance trae88ed 3 the tram 3et7een 4osition % and 4osition N. Ca8cu8ation

?iii@ Ca8cu8ate the acce8eration o; the tram 3et7een 4osition N and 4osition O. Ca8cu8ation

?i@ hat are the units o; acce8eration DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?@ ,escri3e the motion o; the tram 3et7een 4ositions A and =. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 1B o; 20

200

=uestion 

?a@

?/@

?1@ ?2@

# student set u4 the circuit sho7n to inestiate the manetic e;;ect o; a

#

constant e8ectric current. She aried the

Coi8

num3er o; turns o; 7ire in the coi8 and counted ho7 man 4a4erPc8i4s 7ere 4ic:ed u4 3 the meta8 3ar each time.

?2@ %eta8 3ar

(er resu8ts are ien in the ta38e 3e8o7. Num3er o; turns o; 7ire in the coi8 Num3er o; 4a4erPc8i4s 4ic:ed u4

20

0

60

0

100

5

11

16

20

26

?i@ Name a suita38e materia8 ;rom 7hich the 3ar and the 4a4erPc8i4s shou8d 3e made. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ Name the instrument 8a3e88ed # in the circuit diaram. DDDDDDDDDDDDDDDDDDDDDDDD hat does this instrument measure DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ ,ra7 a ra4h in the rid 3e8o7 o; the num3er o; 4a4erPc8i4s 4ic:ed u4 ersus the num3er o; turns o; 7ire in the coi8.

25 Num3er o; 20 4a4erP c8i4s 4ic:ed u4 15

10

5

0 0

20


0

60

0

Num3er o; turns o; 7ire in the coi8 Aae 1 o; 20

100


?i@ Use our ra4h to estimate ho7 man OR 4a4erPc8i4s 7ou8d 3e 4ic:ed u4 i; there 7ere E$!# SA#CE /0 turns o; 7ire in the coi8. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD Indicate c8ear8 the num3er and 4art o; the 9uestion?s@ that ou are ans7erin. ?@ State one 7a in 7hich the student miht hae made sure that this inestiation 7as

?1@ ?2@

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD a ;air one. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?3@ # 3atter& such as the one in a mo3i8e 4hone& uses chemica8 reactions to ma:e DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD e8ectricit and is a source o; direct current ?d.c.@. ?i@ hat is direct current DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?ii@ !he other t4e o; e8ectric current is su448ied to our homes 3 e8ectricit su448iers. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD Name this t4e o; e8ectric current. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?iii@ hat is the main ener conersion that is ha44enin 7hen a mo3i8e 4hone is 3ein DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD rechared DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ? c@ !he sm3o8 sho7n on the riht is that o; a 8iht 3u83. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD In each o; the s4aces 4roided& dra7 t7o 3u83s so that DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD the are arraned ?i@ in series and ?ii@ in 4ara88e8. ?6@ DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD ?i@ !7o 3u83s in series

?ii@ !7o 3u83s in 4ara88e8

DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD

Aae 20 1 o; 20

?@

Contoh Soalan Kbat Sc

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