ICAS Science Practice Questions Paper C

 1. The graph shows the number of each type of bee caught in different coloured traps d uring an experiment. N u m b e r o f b e e s c a u g h t Colour of trap

807060500!0"0100blue green red white yellow KEY

honey beebumble beenati#e bee  $hat was the colour of the trap in which most of the honey bees were caught% &'( blue&)( green&*( white&+( yellow". $hen a meteor from outer space s pace hits the moon, its impact ma-es a large crater  . The drawing gi#es information about a crater on the moon. crac-ed bed roc-roc- eected bythe meteor/s impactmelted roc-bro-en pieces of older roc-meteor impactcrater  'ccording to the diagram, what type of roc- would be found found on the crater/s surface% &'( eected roc-&)( crac-ed bed roc-&*( melted roc- and eected roc- &+( melt ed roc- and bro-en older roc-

5  ICAS Science Practice Questions Paper C © EAA  F r q stis 7  d 8  s t  i frti b l.  Some students were asked to rate the health of a local river.The map shows what the found in and around the river. The arrows on the map indicate the directionof water !ow. The students rated the health of the river as poor in "ve of the si# cate$ories. Riv  r    lt  c  t  r  I  dic  t  rs   f    d   lt  I  dic  t   rs   f    r    lt  % . & a n d u s e r i v e r ' a n k i s n a t u r a l a n d undistur'edriver 'ank land has 'eencleared( factories present) . & i t t e r r i v e r i n n a t u r a l s t a t e p l a s t i c a n d l a r $ e $ r o w t h s o f al$ae in river * . P i p e s a n d d r a i n s n o p i p e s o r d r a i n s e n t e r r i v e r p i p e s f r o m f a c t o r i e s a n d stormwater drains enter river + . S t r u c t u r e s n o s t r u c t u r e s ( n o c h a n $ e s t o water  owlar$e structures( chan$es towater  ow5 . , e $ e t a t i o n m a i n l  n a t i v e p l a n t s $ r o w i n $ on river 'ankman non-native plants$rowin$ on river 'ank . / a t e r c l a r i t  w a t e r i n r i v e r i s c o l o u r l e s s w a t e r i n r i v e r i s ' r o w n o r $reen( oil lm on top of water 0. 1or which cate$or is there    evidence of poor health2 3A4 ) onl 34 * onl 3C4 5 onl 364  onl7. /hich position in the waterwa 3Q( 8( S or T4 is most likel to have the 'est health ratin$2 3A4 Q 34 8 3C4 S 364 T

ICAS Science Practice Questions Paper C © EAA   F r q stis 9  d 10  s t  i frti b l.  9ud 'ricks are made from a mi#ture of cla( sand and straw. The mi#ture is poured into a wooden mould untilit 'ecomes "rm. The moulded 'ricks are then turned out of the moulds and dried over time in the sun. The ta'le $ives some information a'out mud 'ricks made ' some students. Each stud ent used the same amountof water and made the same amount of 'rick mi#ture. S t   d  t   C   s i t i  b  v   l    ( % ) B r i c       i     I   f  r  t i  C l  S   d S t r  Str lt(c)Siz  (c 3 )(l t × idt× ticss)Triti ( rs)r iti(d s)  : a n * ; + ; * ; 5 5 ; < ) ; < % 5 ) + ) ;  : o h n % 5 0 ; % 5 5 5 ; < ) ; < % 5 ) + ) ; 9 a r  % 5 0 ; % 5 % ; 5 ; < * ; < % 5 ) + ) ; 9 a t t * ; + ; * ; % ; 5 ; < ) ; < % 5 % ) ) ; =. Aft er %; das :an>s 'ricks were dr on 'oth sides( 'ut 9att>s 'ricks were dr on one side onl. /hat would most likel account for this di?erence2 3A4 :an used more sand to make ea ch 'rick than 9att. 34 :an used less water to make her 'ricks than 9att. 3C4 9att>s 'ricks w ere thicker than :an>s 'ricks. 364 9att turned his 'ricks so that one side never faced the sun. %;. The dia$ram shows how the students tested their mud 'ricks to see which one was stron$est. 9ar>s 'ricks were the stron$est. /hich characteristic of the stron$est 'rick distin$uishes it from the other ' ricks2 3A4 'rick width34 drin$ time3C4 straw len$th364 'rick composition

ICAS Science Practice Questions Paper C © EAA 0 T!IS "#$ &#' B S FR *R+I,$.

ICAS Science Practice Questions Paper C © EAA )%. The $raph shows the num'er of each tpe of 'ee cau$ht in di?erent coloured tr aps durin$ an e#periment. @ u m ' e r o f ' e e s c a u $ h t Colour of trap 7;0;;5;+;*;);%;;'lue $reen red white ellow EB hone 'ee'um'le 'eenative 'ee  /hat was the colour of the trap in which most of the hone 'ees were cau$ht2 3A4 'lue34 $reen3C4 white364 ellow). /hen a meteor from outer space hits the moon( its impact makes a lar$e crater. The drawin$ $ives information a'out a crater on the moon. cracked 'ed rockrock eected 'the meteor>s impactmelted rock'roken pieces of older rockmeteor impactcrater Accordin$ to the dia$ram( what tpe of rock would 'e found on the crater>s surface2 3A4 eected rock34 cracked 'ed rock3C4 melted rock and eected rock 364 melted rock and 'roken older rock

*  ICAS Science Practice Questions Paper C © EAA *. An ant is shown at its actual siDe and as it appeared throu$h a ma$nifin$ $lass. ow man times lar$er did the ant appearthrou$h the ma$nifin$ $lass2 3A4 half as lar$e 34 one and a half times as lar$e 3C4 twice as lar$e 364 two and a half times as lar$e +. ,iscosit is a measure of a liFuid>s thickness and stickiness. The more viscous the liFuid( the lon$er it takesfor an o'ect to pass throu$h it. Generall( the viscosit of a liFuid decreases as temperature increases. The dia$ram shows the distances cla 'alls of the same siDe pass throu$ h four motor oils in the same time.The four oils were at the same temperature. / H  B   /hen cold( hi$h viscosit motor oil ma not $et to the part of the en$ine it is supposed to protect./hen hot( low viscosit oil ma not protect en$ine parts 'ecause it does not stick to them. /hich motor oil would 'e 'est for protectin$ en$ine parts at hi$h temperatur es2 3A4 / 34 H 3C4 B 364  ma$ni"ed antactual siDe ant