Example Form 1 Science Paper (with Answers) 3h5u60
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ANSWERS
2
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Section A [40 marks] Answer all questions. 1
Diagram 1 shows a procedure on how to measure the volume of a stone.
Diagram 1 (a)
Name the method applied in this activity. Water displacement method. [1 mark]
(b)
What is the volume of the stone and the cork? (i)
(c)
Stone: 5
(ii)
Cork: 5
[2 marks]
Name two precautionary steps that have been taken when using a measuring cylinder. Place the measuring cylinder on the lever surface. Readings have to be at the meniscus level of the water. Readings have to be made at eye level. (Accept any 2 answers) [2 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS
3
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(d) Tick (✓) at the correct eye position while taking a reading of the volume of water in the measuring cylinder. [1 mark]
✓
2
(a)
Diagram 2 shows some examples of cell organization in the human body. (i)
Which of the following is a cell? Tick (✓) in the box provided.
✓
Diagram 2 [1 mark] (ii)
Circle the words in the box below to show two other examples of cells.
Sperm
55/2
Stomach
2013 Hak Cipta Asia Pacific Smart School
Brain
Ovum
SULIT
ANSWERS
4
55/2 [2 marks]
(b) System
Draw lines to match each type of system with its function. (i)
Function Removes excretory waste from the body.
(ii)
(iii)
Absorbs oxygen and eliminate carbon dioxide from the body.
Transports substances like food, oxygen and excretory products in the body. [3 marks]
3
(a)
Diagram 3 shows the composition of air.
X
Oxygen
Y
Nitrogen
Z
Carbon dioxide
Diagram 3 (i)
On Diagram 3, label gases X, Y and Z using the following words. Oxygen
55/2
2013 Hak Cipta Asia Pacific Smart School
Nitrogen
Carbon dioxide
SULIT
ANSWERS
5
55/2 [3 marks]
(ii)
What is the percentage of nitrogen gas in the air? 78% [1 mark]
(b)
Draw two lines to match carbon dioxide with its properties. Properties Carbon dioxide
Does not combustion
Very soluble in water
Turns moist red litmus paper blue
Very soluble in sodium hydroxide solution [2 marks]
4
Diagram 4 shows the classification of matter. Matter
Mixtures
Elements
Q : Metals
P : Compounds
R : Non-metals Diagram 4
(a)
Circle three matters from the box below to represent P, Q and R in Diagram 4. Compounds
Organisms
Microorganisms
Metals Gas
Non-metals
[3 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (b)
6
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Complete the following table by naming the types of substances made up of the given types of particles. Types of particles
Type of substances
(i) Element
(ii) Compound [2 marks]
(c)
What is the smallest particle in an element? Atom [1 mark]
5 Diagram 5.1 shows the requirements for combustion to occur, U, V and W.
Diagram 5.1 (a)
Tick (✓) three requirements from the box below to represent U, V and W. Heat
Carbon dioxide
✓
Oxygen
Fuel
✓
✓
Fire [3 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (b)
7
55/2
Based on Diagram 5.1, suggest a method that can be used to put out fire. By blocking the oxygen supply. [1 mark]
(c)
Diagram 5.2 shows the set-up of apparatus to study the products of the combustion of a candle.
Diagram 5.2 It is observed that droplets of a clear liquid are formed on the inside wall of the beaker. (i)
Name the liquid formed. Water [1 mark]
(ii)
Suggest a test to identify the liquid stated in c(i). Test the liquid with cobalt chloride paper. The liquid turns the blue cobalt chloride paper to pink. [2 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (d)
8
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Use four of the substances in the box below to write a word equation for the chemical reaction that takes place during the combustion of the candle. Carbon dioxide
water
heat
Hydrocarbon + oxygen
light
hydrocarbon
oxygen
carbon dioxide + water + heat +light [1 mark]
6
A ball is thrown up into the air as shown in Diagram 6.
Diagram 6 (a)
What form of energy does the ball have at position X? Potential energy and kinetic energy. [2 marks]
(b)
Identify the position where the ball has maximum and minimum potential energy and kinetic energy respectively. Maximum
Minimum
Potential energy
Y
Z
Kinetic energy
Z
Y [4 marks]
(c)
State the energy changes involving the ball as it moves from W to Y. Potential energy to kinetic energy + potential energy to potential energy [2 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS
9
55/2
Section B [20 marks] Answer all questions. 7
(a)
Diagram 7 shows object X, which is made from metal P and metal Q. Object X is found in a fire alarm. P Q (i)
What is object X? Bimetallic strip [1 mark]
(ii)
Give two suitable metals that can be used to form object X. 1. Brass
2. Iron [2 marks]
(b)
Briefly explain how object X functions in the fire alarm. In case of fire, the temperature rises and the bimetallic strip expands. One of the metal expand more than the other causing the bimetallic strip to bend and complete the circuit. Thus, the alarm is activated. [3 marks]
(ii)
Give two other examples of appliances that use object X. 1.
Electric iron
2.
Electric oven [2 marks]
(c)
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(i)
Draw a diagram to show how object X appears when heated.
2013 Hak Cipta Asia Pacific Smart School
[2 marks]
SULIT
ANSWERS
10
55/2
8 Diagram 8 shows an experiment carried out in the laboratory to study the effect of mass on heat transfer.
Diagram 8 The water in beaker A is heated for 2 minutes. Then the 100g bob is transferred into beaker P and the 200g bob is transferred into beaker Q respectively. (a)
State the variables involved in the experiment. (i) Manipulated variable: Mass of iron bob (ii) Responding variable: Increase in temperature of water (iii) Constant variable: The volume of water in beaker P and Q [3 marks]
(b)
Write a suitable hypothesis for this experiment. For objects of the same material and temperature, the objects with more mass contains more heat. [2 marks]
(c)
What inference can be made based on Diagram 8? The amount of heat in an object depends on its mass. [1 mark]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (d)
11
55/2
The following table shows the readings recorded by thermometer X and thermometer Y. Complete the table. Thermometer X
Thermometer Y
Initial temperature (°C)
25
25
Final temperature (°C)
42
Increase in temperature (°C)
(ii)
17
(i)
46 21 [2 marks]
(e)
State the relationship between the mass of an iron bob and the amount of heat contained by the bob. The greater the mass of an iron bob, the larger the amount of the heat it contains. [2 marks] END OF QUESTION PAPER
Prepared by,
Checked by,
Approved by,
________________
_________________
_______________
(Ms. Lim Ann Chee)
(Mr. Mahendran Viswanathan)
(Mr. Rohaizi Rastam)
Curriculum Leader
Head of Department
Subject Teacher
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
2
55/2
Section A [40 marks] Answer all questions. 1
Diagram 1 shows a procedure on how to measure the volume of a stone.
Diagram 1 (a)
Name the method applied in this activity. Water displacement method. [1 mark]
(b)
What is the volume of the stone and the cork? (i)
(c)
Stone: 5
(ii)
Cork: 5
[2 marks]
Name two precautionary steps that have been taken when using a measuring cylinder. Place the measuring cylinder on the lever surface. Readings have to be at the meniscus level of the water. Readings have to be made at eye level. (Accept any 2 answers) [2 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS
3
55/2
(d) Tick (✓) at the correct eye position while taking a reading of the volume of water in the measuring cylinder. [1 mark]
✓
2
(a)
Diagram 2 shows some examples of cell organization in the human body. (i)
Which of the following is a cell? Tick (✓) in the box provided.
✓
Diagram 2 [1 mark] (ii)
Circle the words in the box below to show two other examples of cells.
Sperm
55/2
Stomach
2013 Hak Cipta Asia Pacific Smart School
Brain
Ovum
SULIT
ANSWERS
4
55/2 [2 marks]
(b) System
Draw lines to match each type of system with its function. (i)
Function Removes excretory waste from the body.
(ii)
(iii)
Absorbs oxygen and eliminate carbon dioxide from the body.
Transports substances like food, oxygen and excretory products in the body. [3 marks]
3
(a)
Diagram 3 shows the composition of air.
X
Oxygen
Y
Nitrogen
Z
Carbon dioxide
Diagram 3 (i)
On Diagram 3, label gases X, Y and Z using the following words. Oxygen
55/2
2013 Hak Cipta Asia Pacific Smart School
Nitrogen
Carbon dioxide
SULIT
ANSWERS
5
55/2 [3 marks]
(ii)
What is the percentage of nitrogen gas in the air? 78% [1 mark]
(b)
Draw two lines to match carbon dioxide with its properties. Properties Carbon dioxide
Does not combustion
Very soluble in water
Turns moist red litmus paper blue
Very soluble in sodium hydroxide solution [2 marks]
4
Diagram 4 shows the classification of matter. Matter
Mixtures
Elements
Q : Metals
P : Compounds
R : Non-metals Diagram 4
(a)
Circle three matters from the box below to represent P, Q and R in Diagram 4. Compounds
Organisms
Microorganisms
Metals Gas
Non-metals
[3 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (b)
6
55/2
Complete the following table by naming the types of substances made up of the given types of particles. Types of particles
Type of substances
(i) Element
(ii) Compound [2 marks]
(c)
What is the smallest particle in an element? Atom [1 mark]
5 Diagram 5.1 shows the requirements for combustion to occur, U, V and W.
Diagram 5.1 (a)
Tick (✓) three requirements from the box below to represent U, V and W. Heat
Carbon dioxide
✓
Oxygen
Fuel
✓
✓
Fire [3 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (b)
7
55/2
Based on Diagram 5.1, suggest a method that can be used to put out fire. By blocking the oxygen supply. [1 mark]
(c)
Diagram 5.2 shows the set-up of apparatus to study the products of the combustion of a candle.
Diagram 5.2 It is observed that droplets of a clear liquid are formed on the inside wall of the beaker. (i)
Name the liquid formed. Water [1 mark]
(ii)
Suggest a test to identify the liquid stated in c(i). Test the liquid with cobalt chloride paper. The liquid turns the blue cobalt chloride paper to pink. [2 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (d)
8
55/2
Use four of the substances in the box below to write a word equation for the chemical reaction that takes place during the combustion of the candle. Carbon dioxide
water
heat
Hydrocarbon + oxygen
light
hydrocarbon
oxygen
carbon dioxide + water + heat +light [1 mark]
6
A ball is thrown up into the air as shown in Diagram 6.
Diagram 6 (a)
What form of energy does the ball have at position X? Potential energy and kinetic energy. [2 marks]
(b)
Identify the position where the ball has maximum and minimum potential energy and kinetic energy respectively. Maximum
Minimum
Potential energy
Y
Z
Kinetic energy
Z
Y [4 marks]
(c)
State the energy changes involving the ball as it moves from W to Y. Potential energy to kinetic energy + potential energy to potential energy [2 marks]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS
9
55/2
Section B [20 marks] Answer all questions. 7
(a)
Diagram 7 shows object X, which is made from metal P and metal Q. Object X is found in a fire alarm. P Q (i)
What is object X? Bimetallic strip [1 mark]
(ii)
Give two suitable metals that can be used to form object X. 1. Brass
2. Iron [2 marks]
(b)
Briefly explain how object X functions in the fire alarm. In case of fire, the temperature rises and the bimetallic strip expands. One of the metal expand more than the other causing the bimetallic strip to bend and complete the circuit. Thus, the alarm is activated. [3 marks]
(ii)
Give two other examples of appliances that use object X. 1.
Electric iron
2.
Electric oven [2 marks]
(c)
55/2
(i)
Draw a diagram to show how object X appears when heated.
2013 Hak Cipta Asia Pacific Smart School
[2 marks]
SULIT
ANSWERS
10
55/2
8 Diagram 8 shows an experiment carried out in the laboratory to study the effect of mass on heat transfer.
Diagram 8 The water in beaker A is heated for 2 minutes. Then the 100g bob is transferred into beaker P and the 200g bob is transferred into beaker Q respectively. (a)
State the variables involved in the experiment. (i) Manipulated variable: Mass of iron bob (ii) Responding variable: Increase in temperature of water (iii) Constant variable: The volume of water in beaker P and Q [3 marks]
(b)
Write a suitable hypothesis for this experiment. For objects of the same material and temperature, the objects with more mass contains more heat. [2 marks]
(c)
What inference can be made based on Diagram 8? The amount of heat in an object depends on its mass. [1 mark]
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
ANSWERS (d)
11
55/2
The following table shows the readings recorded by thermometer X and thermometer Y. Complete the table. Thermometer X
Thermometer Y
Initial temperature (°C)
25
25
Final temperature (°C)
42
Increase in temperature (°C)
(ii)
17
(i)
46 21 [2 marks]
(e)
State the relationship between the mass of an iron bob and the amount of heat contained by the bob. The greater the mass of an iron bob, the larger the amount of the heat it contains. [2 marks] END OF QUESTION PAPER
Prepared by,
Checked by,
Approved by,
________________
_________________
_______________
(Ms. Lim Ann Chee)
(Mr. Mahendran Viswanathan)
(Mr. Rohaizi Rastam)
Curriculum Leader
Head of Department
Subject Teacher
55/2
2013 Hak Cipta Asia Pacific Smart School
SULIT
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