Form 1 Sc (Latihan Kertas 2)

PROGRAM SOLAR JPN PERAK

SCIENCE FORM ONEPAPER 2 SET B

Section AAnswer all questions

Question 1 Topic 6 : Sources Of Energy

1. Figure 1 below shows a lighted candle.

Figure 1

(a) State two forms of energy released by the candle flame.

(i) ___________________ energy

(ii) ___________________ energy (2 marks)

(b) Write out the energy change in the lighted candle.

___________________________________________________________(1 mark )

(c) Complete the table below.

Form of Energy Source

Kinetic

Nuclear

(1 mark )


Question 2 Topic 3 : Matter

(a) Matter can change from one state to another. Name the processes in the change of state as shown in Figure 2 below.

A …………………………. Solid Liquid Gas

B ………………………….

(2 marks)Figure 2

(b) State 2 of the above processes involved the release of heat energy.

(i) ________________________________________________

(ii) ________________________________________________(2 marks)

(c) State 2 of the above processes involved the absorption of heat energy.

(i) _________________________________________________

(ii) _________________________________________________(2 marks)


Question 3 Topic 1 : Matter

Figure 3 below shows two kinds of measuring instruments.

Figure 3

Beam balance Lever balance Spring balance Opisometer

(a) (i) Name the measuring instruments in Figure 3.

A : ___________________________________________________

B : ___________________________________________________(2 marks)

(ii) State the use of the instruments in (a) (i). ________________________________________________________

________________________________________________________(2 marks)

(b) Which instrument will show the same reading on the Earth and on the Moon? Explain why.

________________________________________________________

________________________________________________________(2 marks)


Question 4 Topic 2 : Cell As A Unit Of Life

Figure 4.1 shows a leaf cell and a cell from the onion epidermis.

Figure 4.1

(a) Label two of the following structures in Figure 4.1.

Chloroplast Cell membrane Nucleus (2 marks)

(b) (i) What structure is missing in the onion cell but is present in the leaf cell?

________________________________________________________(1 mark )

(ii) What is the function of this structure?

________________________________________________________(1 mark )


(c) Figure 4.2 shows the surfaces of a leaf.

A

Figure 4.2

B

Which surface has more chloroplasts, A or B? Explain why.

________________________________________________________

________________________________________________________(2 marks)


Question 5 Topic 5 : The Air Around Us

Figure 5 below shows an activity indicating the composition of air used during combustion. A gas jar is inverted over a lighted candle in a basin of water.

(a) (i) At the end of the activity, what will happen to the candle flame?

________________________________________________________ (1 mark )

(ii) Give one reason for the observation in (a) (i).

________________________________________________________ (1 mark )

(b) Mark the water level in the gas jar with the letter ‘X’ at the end of the activity.

(1 mark )

(c) What volume of air in the gas jar is used for combustion?

___________________________________________________________(1 mark )

(d) What can we conclude from this activity?

4

3Air

Candle

Gas jar

Basin

Water

Gas jar stand

1

2

FIGURE 1


___________________________________________________________ (2 marks)

(e) Name two other gases found inside the gas jar at the end of the activity.

__________________________________________________________ (2 marks)


Question 6 Topic 7 : Heat

Figure 6 below shows the set-up of an experiment to show the transfer of heat in a copper rod.

(a) (i) Which thumbtack fell first?

________________________________________________________(1 mark )

(ii) Which thumbtack fell last ?

________________________________________________________(1 mark )

(b) (i) Indicate with an arrow on Figure 6 the direction of heat transfer.(1 mark )

(ii) What is the source of the heat energy?

________________________________________________________(1 mark )

(c) What happens to the particles of a solid when heated?

Bunsen burner

Asbestos sheet

Thumbtack

Wax

A B C

FIGURE 6


__________________________________________________________(1 mark )

(d) (i) Heat flows along the copper rod. It flows from the ________________ end to the ________________ end.

(1 mark )

(ii) Name the heat transfer process that takes place in solids.

________________________________________________________(1 mark )

(e) Give two other heat transfer process.

(i) _____________________________________________________

(ii) _____________________________________________________(2 marks)


Section B Answer all questions in this section

Question 7 Topic 4 : Various Resources On Earth

Figure 7 below shows diagrams of elements and non-elements.

Figure 7

Based on your observations in the figure above,

(a) State one characteristic of an element and one characteristic of a non-element.

Element : __________________________________________________ Non - element : _____________________________________________

(2 marks)


(b) Classify the elements and non-elements below into two groups based on common characteristics.

R S

T U

R, S, T and U

Common

characteristics

Example

(4 marks)


(c) Name the two groups of elements.

(i) ________________________________________________________ (ii) _________________________________________________________ (2 marks)

Question 8 Topic 4 Various Resources On Earth

Figure 8

Figure 8 above shows an incomplete electrical circuit used in an experiment to test the electrical conductivity of different types of materials. A copper rod is first held between points P and Q using the crocodile clips. Then the light bulb is observed. The experiment is repeated with an iron rod, a sulphur rod and a phosphorus rod. The four rods used have the same length and diameter.

(a) State the variables in the experiment.

Manipulated variable

Responding variable

Controlled variable


(3 marks)

(b) What can be said about the electrical conductivity of the material tested if the light bulb lights up?

___________________________________________________________ (1 mark )

(c) Which of the four materials tested can conduct electricity?

___________________________________________________________(2 marks)

(d) Which of the four materials tested are metals?

___________________________________________________________ (2 marks)

(e) State one inference from the experiment.

____________________________________________________________ (1 mark )

(f) Are all non-metals poor electrical conductors?

___________________________________________________________(1 mark )

(g) Is carbon a suitable material for making electrical wires? State your reason.

___________________________________________________________

___________________________________________________________ (2 marks)


SUGGESTED ANSWER (FORM 1 – SET B)

Question Suggested Answer Mark1(a) (i) (ii)

(b)

(c)

LightHeat

Chemical Energy Heat Energy and Light Energy

Kinetic – Wind or any suitable answerNuclear – Nuclear fuels or any suitable answer

1 mark for each correct answer

1 mark

1 mark for the two correct answer

2 (a)

(b) (i) (ii)

(c) (i) (ii)

A – MeltingB – Condensation

CondensationFreezing

BoilingMelting




3 (a) (i)

(ii)

(b)

A – Lever balanceB – Spring balance

A – to measure the mass of an objectB – to measure the weight of an object

Lever balance. Because the mass of an object does not change from one place to another.



1 mark1 mark


4 (a)

(b) (i) (ii)

(c)

Cell membrane

Nucleus

Cell membrane

Chloroplast

Nucleus

Chloroplast

It contains chlorophyll for photosynthesis

A.To absorb more sunlight


1 mark

1 mark

1 mark1 mark

5 (a) (i) (ii)

(b)

(c)

(d)

(e)

It extinguishes

Oxygen in the gas jar is used up during combustion

X

About 20%

Oxygen supports combustion!/5 of air is oxygen

Carbon dioxide and nitrogen

1 mark

1 mark

1 mark

1 mark

1 mark for each answer

1 mark for each answer

Candle

4

3Air

Gas jar

Basin

Water

Gas jar stand

1

2

FIGURE 5


6 a) i) ii)

b) i)

ii)

c) d) i) ii)

e) i)ii)

A

B

Correct direction ( towards C )

The Bunsen flame

Vibrates moreCold, hotConductionConvectionRadiation

1 mark

1 mark

1 mark

1 mark

1 mark 1 mark 1 mark 1 mark 1 mark

7 a)

b)

c) i)

ii)

Made up of one type of atomsMade up of two or more types of atoms

One type of atoms only More than one type Of atoms only

Any suitable answer Any suitable answer

Metals

Non - metals

1 mark 1 mark


1 mak for each correct answer

8 a) i)

b)

c)

Manipulated variable - types of rods

Responding variable - lighting up of the bulb

Controlled variable - number of dry cells, length and diameter of rod, etc

The material is a conductor.

Copper

1 mark

1 mark

1 mark

1 mark

1 mark


d)

e)

f)

g)

Iron

Copper and Iron

Metals are conductors

No

NoIt is brittle / Not malleable / Not ductile

1 mark

2 marks

1 mark

1 mark

2 marks

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Form 1 Sc (Latihan Kertas 2)