Pecutan Kognitif © Cikgu Hamzah 2009013 – 930 2955

ClassifyingQuestion 7

Exercise 1 / Latihan 1. ( 10 marks )Diagram 3.1 shows four devices P,Q ,R and S that use the principle of lever. Rajah 3.1 menunjukkan empat alat ,P,Q,R dan S yang menggunakan prinsip tuas.

Possible answer

Bigger // smaller // lessLonger // shorter

Force is not in the middle of load and fulcrumForce is in the middle of fulcrum and load

Load is not in the middle of fulcrum and forceLoad is in the middle of fulcrum and force

Fulcrum is not in the middle of load and forceFulcrum is in the middle of load and force

Not Third class leverThird class lever

Not Second class leverSecond class lever

Not first class leverFirst class lever

PMR 2008PMR 2008

• State one characteristic can be observed based on position of fulcrum, load and effort.Nyatakan satu ciri yang diperhatikan berdasarkan kedudukan fulkrum, beban dan daya.

P : ………………………………………………………………………………Q: ……………………………………………………………………………….

fulkrum beban dayafulcrum load effort

E

F L EF

L Page 18

MA

S

positionkedudukan

The load is in the middleThe effort is in the middle

The load is in the middle

The effort is in the middle

The fulcrum is in the middle

The load is notnot in the middle

The effort is notnot in the middle

The fulcrum is notnot in the middle

R s P Q

Answers in Section ( a )

(b)Classify the devices P,Q,R and S into two groups based on it common characteristic. Kelaskan alat P,Q,R dan S kepada dua kumpulan bersasarkan kepada ciri sepunya.

In negetivestatement

Excel lence By Doing © Excel lence By Doing © Cikgu HamzahCikgu Hamzah 20092009

The more you DO, the The more you DO, the BBEETTTTEERR you get . you get.The less you DO, the The less you DO, the BBiiTTTTeeRR you get . you get.

Pecutan Kognitif © Cikgu Hamzah 2009 -013-930 2955

Glucose is present .Terdapat glukosa.Orange red precipitate formedTerbentuk mendakan merah bata .

Solution remains blue Larutan kekal biru

No Glucose is presentTiada glukosaNo Orange red precipitate formedTiada mendakan merah bata.No blue solution Tiada larutan biru.

Sample K + Benedict’s solutionSolution remains blueLarutan kekal biru

Sample M + Benedict’s solution

Solution remains blueLarutan kekal biru

Sample J + Benedict’s solutionRed orange precipitateMendakan merah bata

Sample L + Benedict’s solutionRed orange precipitateMendakan merah bata

Based on the observation,

(a) State one characteristiccharacteristic of food sample J,K,L and M

J:

K:L:

M:

Orange red precipitate formedTerbentuk mendakan merah bata.

Solution remains blue Larutan kekal biru.

observation

(b) Classify food sample J,K,L and M into two groups based on their common characteristic.

Glucose is present Terdapat Glukosa

No Glucose is present after testedwith Benedict’s solution.No Orange red precipitate formedTiada mendakan merah bata.

Solution not kept blue Larutan tidak kekal biru.

Orange red precipitate formedTerbentuk mendakan merah bata.

Solution remains blue Larutan kekal biru.

J: K: L: M:

J:

K:

L:

M:

Orange red precipitate formedTerbentuk mendakan merah bata

Orange red precipitate formedTerbentuk Mendakan merah bata.

Solution remains blue Larutan kekal biru

Solution remains blue .Larutan kekal biru.

Commoncharacteristic

Alphabat Huruf

Sample J +Benedict’ssolution

Red orangeprecipitate

Albumin +Benedict’ssolution

Test tube N Test tube P

( c ) i. State one inference based on the observation in the test tube N Nyatakan satu inferens berdasarkan pemerhatian pada tabung uji N.

..................................................................................................................

……………………………………………………………………………………… ii. Predict the observation in the test tube P. Ramalkan pemerhatian pada tabung uji P

................................................................................................................................

iii. State the relationship between changes of colour of Benedict’s solution and the presence of food.Nyatakan perhubungan antara perubahan warna larutan Benedict dengan kehadiran makanan.

………………………………………………………………………………………………….

………………………………………………………………………………………

Red orange precipitate formedMendakan merah bata terbentuk

Becausekerana

Sample J contains glucose / Sample J contains glucose / sampel J mengandungi glukosasampel J mengandungi glukosa

Solution remains blueLarutan kekal biru.

If Benedict solution change to red orange,Jika larutan Benedict bertukar menjadi merah bata

glucose is present,Terdapat glukosa.

Excel lence By Doing © Excel lence By Doing © Cikgu HamzahCikgu Hamzah 20092009

Has legsHas legs

No legNo leg

Can swimCan swim

Can flyCan fly

Has finsHas fins

No finsNo fins

State the characteristiccharacteristicof bird

Physical features that Physical features that Can be observedCan be observed

Through a naked eyes.Through a naked eyes.-U can show it.

by using arrows.by using arrows.

??

??

characteristic

Page 16Page 16Excel lence By Doing © Excel lence By Doing © Cikgu HamzahCikgu Hamzah 20092009

The more you DO, the The more you DO, the BBEETTTTEERR you get . you get.The less you DO, the The less you DO, the BBiiTTTTeeRR you get . you get.

State one characteristic that can be observed from the seedling by reffering to their root or shoot response to stimuli. root shoot stimuli

light

gravity

water water

P

State one characteristic that can be observed from the seedling by reffering to their root or shoot response to stimuli. root shoot stimuli

light

gravity

water water

P

rootroot shootshoot response toresponse toresponse toresponse to

Q

response to

RS

For more information, please call Cg Hamzah 013-930 2955

BeforeBeforeAfterAfter