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Name : __________________________ Class : ________

Revision exercise

Answer all the questions.

1.

J

L

K

(a) Name the laboratory apparatus shown above, labelled :

(i) J :

(ii) ! :

(iii) " :

(b) A student wants to measure the external diameter o# a $lass tube.

%hat is the most appropriate apparatus to be used&

2.

A $roup o# students conducted an experiment as shown in the #i$ure.

(a) %hat is the aim o# the experiment&

Science form 1 By : Teacher Adila

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(b) %hat is the name o# the method shown&

(c) %hy is plasticine used in the experiment&

(d) %hy does a ' $ lump o# plasticine sin in water but a ' $ lump o#

wax #loat in water&___________________________________________________________________________

*. +he #ollowin$ #i$ures show some human body cells.

(a) Name these cells:

(i) " :

(ii) , :

(iii) N :

(iv) - :

(b) %hat is the similarity between ,and -&

________________________________________________________________________________

(c) ive two di##erences between ,and -.

(d) %hat type o# tissue do "cell #orms&

(e) Name the or$an #ormed #rom the answer in (d).

Science form 1 By : Teacher Adila

LM

N O

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(#) (i) Name the system #ormed #rom the answer in (e).

(ii) %hat is the #unction o# this system&

($) %hy are human bein$s considered as complex or$anisms&

/.

A $lass was #illed with ice cubes, as shown in the #i$ure above. A#ter one

hour, the level o# ice cubes in the $lass was lower, and some colourless

liquid was collected in the shallow dish below.

(a) %hat is the process that causes the chan$e o# state o# matter as

shown in #i$ure above&

(b) A0man thou$ht that the liquid in the dish came #rom the ice cubes in

the $lass. 1s he ri$ht& 2xplain your answer.

(c) 3u$$est a simple way to carry out this activity to prove A0man wron$.

Science form 1 By : Teacher Adila

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(d) rs "ee bou$ht some $reen lea#y ve$etables. +he $rocer put the

ve$etables in a plastic ba$ and tied the ba$. %hen rs "ee $ot homeone and a hal# hours later, she noticed some drops o# a colourless

liquid had #ormed inside the ba$. %ere the liquid drops #ormed in the

same process as shown in the #i$ure above&

___________________________________________________________

___________________________________________________________

5.

A student conducts an experiment usin$ the apparatus shown in the #i$ure

above.

(a)%hat is happenin$ to the candles in beaers and 4&

(b) %hat $as enables the activity mentioned in (a) to be carried out&

(c) (i) %hich $as would you use to extin$uish the candle #lame in

beaer 4&

(ii) ive a reason #or your choice in (c) (i).

(d) %hat can be concluded #rom this experiment&

Science form 1 By : Teacher Adila