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My Pals are Here! Primary 5&6 Science - Interactions

. &rite don "our #rocedure to investigate the !uestion "ou have chosen.

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2. Carr" out the investigation. 3(recaution: Make sure that there is no air movement

around "ou. This ill affect "our results. 4our #arachute should dro# verticall" to theground.

5. Ta+ulate "our results. 4ou ma" choose to #lot a gra#h or a ta+le of results.

+ ,, Mars"all $a.en/is" International 0Sin)a%ore1 Pte 2t/

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6. &rite don "our conclusion.

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7. Does "our h"#othesis match "our conclusion$ 4es 8 No

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INQUIRY WORKSH (NSWR

"eme# Interactions

$"a%ter # y%es o' 'orces

P(R($HU

%. 9#tion 1:

/im: To find out ho the area of a #arachute affects the time taken for a #arachutist to

fall verticall" to the ground from a certain height.

9#tion %:

/im: To find out ho the eight of a #arachutist affects the time taken for a #arachutist

to fall verticall" to the ground from a certain height.

9#tion ':/im: To find out ho the height of the dro# affects the time taken for a #arachutist to

fall verticall" to the ground from a certain height.

'. Materials: #lastic sheet, string, o+ect )e.g to" soldier*

Instruments: sto#atch, ruler

. 9#tion 1: /rea of #lastic sheet

9#tion %: 9+ect

9#tion ': 0eight from hich the #arachute is dro##ed

Time taken to reach the ground to +e ke#t constant.

. (rocedure:

9#tion 1:

i. Make the #arachute.

ii. Measure the dimension of the #lastic sheet and calculate its area. )e.g. for s!uares,

area side ; side*.

iii. Dro# it from a height and record the time taken for the o+ect to reach the ground.

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the ground.

9#tion %: The heavier the o+ect, the shorter the time taken for the o+ect to reach

the ground.

9#tion ': The higher the o+ect is dro##ed from, the longer the time taken for the o+ect

to reach the ground.

7. /nser de#ends on the #u#il@s h"#othesis.

+ ,, Mars"all $a.en/is" International 0Sin)a%ore1 Pte 2t/

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