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SELAMAT DATANG KE

BENGKEL SKEMA

PENILAIAN MENENGAH RENDAH 2010

SAINS KERTAS 2

TARIKH:

02-11-2010

TEMPAT:

MAKMAL FIZIK, SMK BADIN


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Bunsen burner

Penunu bunsen

Tripod stand

Tungku kaki tiga

Beaker

Bikar

1 1 1

QUESTION 1(A)


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Measures weight

Menyukat berat

Measures time

Menyukat masa

Measures diameter

Menyukat diameter

1

1

1

QUESTION 1(B)


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QUESTION 2(A)(B)

2 (a) 2 (b)

1

1


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QUESTION 2 (C) Protect the ciircuit/wiring/appliance/plug

(against excessive current flow)

melindungi litar/wayar dan peralatan/plug

daripada pengaliran arus berlebihan

For protection/safety

Prevent short circuit

Controls access current

Break the current Control electrical energy

Reject: Control accesive voltage

Control energy/tenaga


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1. (The electrical appliance/plug ) will not function.

Peralatan elektrik tidak akan berfungsi.

2. No current flow (into the electrical appliance).

Tiada arus elektrik mengalir ke dalam peralatan

elektrik

3. The electrical appliance will spoil / burn / explode /terbakar / meletup.

Peralatan elektrik akan rosak

4. Short circuit might happen

5. Peralatan tidak dapat hidup

6. Lampu tidak menyala

Reject: Peralatan tidak menyala, electrical shock /

renjatan elektrik

QUESTION 2 (D)


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QUESTION 2 (E)

(The fuse) will not function (The fuse) will spoil

(The fuse) will blow/burn/explode/hangus

(The fuse) will melt/cair/lebur

Fius terputus

Reject: short circuit will happen

stop current flow


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QUESTION 3 (A)

3(a)(i) P

3(a)(ii)

Shortage of / no oxgen/air//

excess carbon dioxide/cannot

breath

No food supply

No plant/tiada rumpai air

No photosynthesis

Reject :

Tiada pokok , Tiada seeweed

tiada ruang udara


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QUESTION 3 (B)

Fact : 1 mark

Explanation: 1 mark

Fact

Has water weed/plant.

Ada rumpai air

Explanation

1. Water weed supplies oxygen

2. Potosyntesis occurs

3. Supply food


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QUESTION 3 (C)

1. To get oxygen/air

2. To breath/inhale

3. Release carbon dioxide

4. Whale breath through lungs

5. Release water to breath

Reject: whale is a mammals

release water


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QUESTION 4 (A)


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QUESTION 4 (A)(I)

1. (Small) (Big) fish

2. Frog/Toad

3. Tadpole

4. Dragon fly

5. Mosquito larvae

6. Lotus/Water weed/Plant/elodea/ Water lilly,

Hydrilla/ telepuk

7. Ikan keli

Reject: larva, jejentik, pokok, lumut, keladi

bunting


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QUESTION 4 (A)(II)

1. Water weed / Elodea.

Rumpai air

2. Lotus

Teratai

3. Plant

4. Hydrilla, water lilly, telepuk

Reject: rumpai


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QUESTION 4 (A)(III)

1. Water weed / elodea / Lotus / Water plant

produced its own food.

2. Rumpai air / Elodea / teratai / Tumbuan air

membuat makanan sendiri

3. Water weed / Elodea / Lotus / Water plantundergoes photosyntesis.

Rumpai air / Elodea / Teratai / Tumbuhan air

menjalankan fotosintesis

4. Supplying food

5. Accept : explain through example (ikan makan

rumpai air)

Reject: 1. Producing oxygen


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QUESTION 4 (B)


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QUESTION 4 (B)(I)


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QUESTION 4 (B)(II)


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QUESTION 5 (A)

5(a)(i) Gas

5(a)(ii) 1. Pushed the piston

2. Decrease the volume

3. Compress the syringe

5(a)(iii)

The arrangement of particles in substance M are further apartthan the particles in substance L (vice versa)

Susunan zarah-zarah dalam bahan M adalah lebih jauh

daripada zarah-zarah dalam bahan L (sebaliknya)


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QUESTION 5 (B)

5. Differences in (air) pressure inside and outside the

straw

Reject : tiada straw, tiada pressureMulut Straw

Straw Atmosfera


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QUESTION 5 (C)

5(c)(i)

The air pressure at K is higher than at L (vice versa)

Tekanan udara di K lebih tinggi daripada di LD

5(c)(iii)1. When the plugger is pushed/pulled the air pressure under

the rubber sukker is reduced/lower

2. When the plugger is pulled/pushed the air pressure after

the blockage is higher

5(c)(ii)

Pt1 . Press / push / plunge / pump

Pt2. Pull up / pull down

Pt3 Apply great pressure


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QUESTION 6 (A)

1. To prevent it from drying/dehydrate

2. Prevent infection

3. Prevent air/water from entering the xylem

4. Prevent (water) evaporation

5. Protect xylem

6. Tidak layu

Reject : mati, tidak reput,


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QUESTION 6 (B)

6(b)(i)Increase/Swollen/

Bigger/Expand

Reject : Contract

6(b)(ii)1. Food/glucose cannot get into the tissue below the ring

2. Food accumulate (terkumpul)

3. Food/glucose cannot go down

4. Coagulate (menggumpal)

5. Makanan tidak boleh dihantar

Reject : makanan tidak boleh dihantar ke seluruh pokok

6(b)(iii)

Transport food /glucose to (all parts of the plant)


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QUESTION 6 (C)

6(c)(ii)

1. Produces plant/off spring faster/not involve gamete/need one

parent

2. Maintain good quality of the parent//produce identicle plant

3. Matures faster

4. Save cost5. Does not need pollination

6. Good genetic growing, less time to growth, akar keluar lebih

cepat

Reject : lebih baik, tidak menggunakan biji benih, membiak

dengan cepat.

6(c)(i)

1. Asexual2. Vegetatif

Reject : stem cutting


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QUESTION 6 (D)

6(d)(ii)

1. The phloem will not damage2. To ensure food can be transported

6(d)(i)

Put / placed wood / cloth /

tyre tube in between the

wire and the trunk

Reject : indicate tanah


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QUESTION 7(A)(I)(II)


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QUESTION 7(A)(III)

7(B)


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QUESTION 8(A)(I)(II)

8(a)(i)1. Work done in situation L is less than the work (done) in situation M

(vice versa)

Accept: kerja lebih mudah / lebih senang / lebih senang/lebih cepat

8(a)(ii)

1. The heavier the bag, the more time taken to lift the bag

(vice versa)

Accept: heavier = mass, weight

Reject : affect, influence


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QUESTION 8(A)(III)

8(a)(iii)1. Bag in situation L is lighter (than in M) because the time taken to

lift it is shorter (vice versa)

Beg dalam situasi L lebih ringan (daripada M) kerana masa yang

diambil untuk ia diangkat adalah lebih pendek (sebaliknya)

1. The time taken to lift the bag in situation in L is sorter because the

bag is lighter

2. Time taken to lift the bag in L is 5 second because the bag is 10 kg.

Accept: work, affort, size, power


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QUESTION 8(B)(I)

250


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QUESTION 8(B)(II)


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QUESTION 8(B)(III), (IV)

8(b)(iii)

8(b)(iv)

Mass of weight increases, readingof the spring balance is increases

Responding variablePembolehubah bergerakbalas

Reading of spring balanceBacaan neraca spring

Accept: jika nombor diberi

Manipulated variablePembolehubah dimanipulasi Mass of the weightJisim berat


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QUESTION 8(C)(I)

8(c)(i)

Work done is the time taken (to lift the bag)

Kerja dilakukan ialah masa yang diambil (untuk mengangkat beg)


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QUESTION 8(C)(II)

S , U

T , W


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