11. Diagram 1 shows a scene at the playground. The three children on the swings are trying to solve a problem of who can swing faster. One child suggests that the length affects the time taken while another child thinks that it has to do with their mass.Diagram 1a) Based on your observation in Diagram 8.1 state the difference in the time taken by the child in ! " and # can swing fastest.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.$$$$$$$$$$$$$$ % 1 mark )b) &hat inference can be made based on the Diagram 8.'($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$% 1 mark )c) )tate one hypothesis based on your observation in Diagram 8.'.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$% 1 mark)d) Diagram 8.' shows an activity planned to investigate how the length of a simple pendulum affects its swing. *n Diagram 8.+ the pendulum bob is pulled to point , and released so that it swings to B and -.% i ) .ow you want to consider it is a complete oscillation if the pendulum bob release form ,.,% 1 mark )2e) )tate the variables involved in this activity./anipulated variable#esponding variable-ontrolled variable /ass of pendulum bob0angle of release% 1 mark )f) Based on diagram record the readings of the stopwatch in the table% 1 marks )3g) Based on Table 8.2 draw a graph of time taken or one swing against length of string.% 1 mark )h) !redict the time taken for one swing when the length of the string is 13 cm.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..% 1 mark )i) Based on the graph state the relationship between the length of the string and the time taken for one swing($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..$$$$$$$$$$$$$$$$..% 1 mark )41. Diagram 1 shows two types of cells.! 4555555555555555555555 " 4 55555555555555555555555Diagram 1a) 6ame cells ! and " in the spaces provided in Diagram 1. % 1marks )b) # controls all cell activities . /ark # of cells ! and " on Diagram 1.% 1 marks )c) )tate two differences between cells ! and ".-ell ! -ell "% + marks )5'. Diagram'showspictures of three different states of matter.*ce waterhydrogena) /atch the pictures in Diagram ' with their arrangement of particles.!icture ,rrangement ofparticles% ' marks)cb) &hich picture in Diagram ' has a fi7ed shape and a fi7ed volume ($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ % 1 mark )6c)Table below shows several substances with different densities./aterial Density %g0cm8)-ork 3.129lass 1.:9old 1;Teak wood 3.82s sinks or float in the water.k))inks in the water ?loats on the water1. 1.1. 1.'. '.+.% 1 marks)ii) ?ind the density of stone and cork by using the formula given below 9iven 4/ass of stone @'3 gram /ass of cork @1.13gramAolume of stone @ 13cm' Aolume of cork @ : cm'Density@mas s volume% + marks)+. Diagram + shows an e7periment to study the properties of a mi7ture and a compound 7containing the same element.Diagram +a) &hat will you observe when a magnet is placed close to the mi7ture of iron fillingsand sulphur in %,)($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.$$$$$$ %1 mark)b) *s the observation the same as%b) when a magnet is placed close to the iron filings and sulphur that was heated in %B)(.. What inference can you make from the observation in (b)?% 1 marks )c) 6ame two compounds that are found in your surroundings.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.8% 1 marks )92. Diagram 2 below shows an e7periment to investigate the need of o7ygen for combustion. Two same candles labeled / and 6 are lighted under two gas =ars with different volume.10/ 6 Diagram 2a) &hat is the ob=ective of this e7periment($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$. % 1 mark )b) &hat is the hypothesis of this e7periment($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ % 1 mark )c) )tate the variables in this e7periment.11 i. constant variable 4 $$$$$$$$$$$$$$$$$$$$$. ii. manipulated variable 4$$$$$$$$$$$$$$$$$$$$.*iiresponding variable 4$$$$$$$$$$$$$$$$$$$$.. % ' marks )d) Table below shows the observation obtained in the experiment-andle Observation/ -andle / burns longer than the candle 66 -andle 6 is e7tinguished earlieri) &hat inferences can you make from the observation of candles( / 4 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.... 6 4$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ % 1 marks )ii) &hat can you conclude from this e7periment($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.. % 1 mark )iii) !redict what will happen if a candle is left burning without the container.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$% 1 mark )12:. Diagram : below shows four types sources of energy. Diagram :a) Based from diagram label the names for types sources of energy using the following words. &ind energy.ydroelectric energy ?ossilfuels,4$$$$$$$- 4 $$$$$$$$.D 4 $$$$$$$$$B' marksCb) Diagram shows a student throwing a ball up until it reachesposition !.i) 6ame the types of energy are involved in stages ! and ).!4 $$$$$$$$$$$$$$$$$$$$$$..)4 $$$$$$$$$$$$$$$$$$$$$$..B1 marksCc) 6umbering the statement below to e7plain the seDuence of theprocess in a table below. B' marksCThe ball has Eero kinetic energy at position )!otential energy at ! is ma7imumThe ball has increase potential and kinetic energy at position #and "13F. Diagram F showsthe setGup of an e7periment.The distance of the conical flasks from the flameis the same . The Bunsen burner is lighted and leftfor ten minutes.The readings of thermometer ! and " are recorded at the end of the e7periment.a) &hich thermometer shows a higher reading at the end of e7periment ($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..$. B 1 mark Cb) 9ive one reason for your answer in %a).$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..$$$$$. B 1 mark Cc) .ow does heat from the Bunsen burner reach thermometer ($$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..B 1 mark Cd) Duringa hot day Hanita chooses to wear a white wear insteadof a black shirt .i) I7plain how this helps Hanita from feeling too hot.$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$. $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.. $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.B 1 marks Ce) /alaysia is one of the states that situated at the hot region. Jsually hot regions of the world suchas tropical regionse7perience hot weather .)uggest and e7plain a methodhow thepeople in tropicscan kept their house cool based on the concept of heat radiation.i. /ethod 4$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$.ii. I7planation 4$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$. $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$. $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$..14B' marks C-THE END -