JAWAPAN PAT SAINS 2015

1 (a)

Lever balance Internal calipers Tripod stand

(b)

LengthPanjang

KelvinKelvin

TemperarureSuhu

MetreMeter

MassJisim

KilogramKilogram

2 (a) P : Cell membraneQ : NucleusR : Cytoplasm

(b) (i) Amoeba/ Paramecium / Euglena

(ii) Spirogyra / Hydra

(iii)

3 (a)

Graph paperKertas graf

Thread and rulerBenang dan pembaris

External calipers and rulerAngkup luar dan pembaris

(b) (i) 0.98 km

(ii) 0.02 mm

(iii)

90 mm

4 (a)Cell diagram

Rajah selType of cell

Jenis sel

Bone cellSel tulang

Nerve cell

Sel saraf

Epithelial cellSel epitelium

(b)

Respiratory systemSistem respirasi

Digestive systemSistem pencernaan

Excretory systemSistem perkumuhan

5 (a) Soil , Living things , Fossil fuels Tanah, Hidupan, bahan api fosil

(b)Substances

Bahan Examples

Contoh

CompoundSebatian

GoldEmas

ElementUnsur

AmmoniaAmmonia

MixtureCampuran

AirUdara

6 (a)

4

(b)

Element Unsur

Use Kegunaan

AluminiumAluminium

To make cooking utensils / to make beverage can

MercuryMerkuri

Used in the thermometer

1

1

7 (a) Potential energy

ELEMENTUNSUR MetalLogam(i) Aluminium(ii)Mercury

12 (c) (ii)