FINAL EXAM FORM 1

7/28/2019 FINAL EXAM FORM 1

1/15

1

1. Diagram 1 shows a scene at the playground. The three children on the swings are trying to solve aproblem of who can swing faster. One child suggests that the length affects the time taken whileanother child thinks that it has to do with their mass.

Diagram 1

a) Based on your observation in Diagram 8.1, state the difference in the time taken

by the child in P, Q and R can swing fastest.

..

( 1 mark )

b) What inference can be made based on the Diagram 8.3?

..

( 1 mark )

c) State one hypothesis based on your observation in Diagram 8.3.

.

( 1 mark)

d) Diagram 8.3 shows an activity planned to investigate how the length of a simple pendulum affectsits swing. In Diagram 8.4, the pendulum bob is pulled to point A and released so that it swings to Band C.


2/15

2

( i ) How you want to consider it is a complete oscillation if the pendulum bob release form A.

A

( 1 mark )

e) State the variables involved in this activity.

Manipulated variable

Responding variable

Controlled variable Mass of pendulum bob/angle of release

( 2 mark )

f) Based on diagram, record the readings of the stopwatch in the table


3/15

3

( 2 marks )

g) Based on Table 8.5, draw a graph of time taken or one swing against length of string.

( 2 mark )

h) Predict the time taken for one swing when the length of the string is 20 cm.

..( 1 mark )

i) Based on the graph, state the relationship between the length of the string and the time takenfor one swing?....

( 1 mark )


4/15

4

2. Diagram 2 shows two types of cells.

P : _____________________ Q : _______________________

Diagram 2

a) Name cells P and Q in the spaces provided in Diagram 2. ( 2marks )

b) R controls all cell activities . Mark R of cells P and Q on Diagram 2. ( 2

marks )

c) State two differences between cells P and Q.

Cell P Cell Q

( 4 marks )


5/15

5

3. Diagram 3 shows pictures of three different states of matter.

Ice water hydrogen

a) Match the pictures in Diagram 3 with their arrangement of particles.

Picture Arrangement of particles

( 3 marks)

b) Which picture in Diagram 3 has a fixed shape and a fixed volume ?

( 1 mark )


6/15

6

c


7/15

7

c)Table below shows several substances with different densities.

Material Density (g/cm)

Cork 0.25

Glass 2.6

Gold 19

Teak wood 0.85

Lead 11.4

Copper 8.9

Polystyrene 0.02

Water 1.0

j) Classify the substances based on whether its sinks or float in the water.k)

Sinks in the water Floats on the water

1. 1.

2. 2.

3. 3.

4.

( 2 marks)

ii) Find the density of stone and cork by using the formula given below

Given : Mass of stone =30 gram Mass of cork =1.20gramVolume of stone = 20cm3 Volume of cork = 6 cm3

Density = m a s svolume

( 4 marks)

4. Diagram 4 shows an experiment to study the properties of a mixture and a compound


8/15

8

containing the same element.

Diagram 4

a) What will you observe when a magnet is placed close to the mixture of iron fillingsand sulphur in (A)?

. (1 mark)

b) Is the observation the same as (b) when a magnet is placed close to the iron filingsand sulphur that was heated in (B)?

..

What inference can you make from the observation in (b)?

( 2 marks )

c) Name two compounds that are found in your surroundings..


9/15

9

( 2 marks )


10/15

5. Diagram 5 below shows an experiment to investigate the need of oxygen forcombustion. Two samecandles labeled M and N are lighted under two gas jars with different volume.


11/15

M N

Diagram 5

a) What is the objective of this experiment?. ( 1 mark )

b) What is the hypothesis of this experiment? ( 1 mark )

c) State the variables in this experiment.


12/15

i. constant variable : . ii. manipulated variable :. Iii responding variable :.. ( 3marks )

d) Table below shows the observation obtained in the experiment

Candle Observation

M Candle M burns longer than the candle N

N Candle N is extinguished earlier

i) What inferences can you make from the observation of candles?M : ....

N : ( 2 marks )

ii) What can you conclude from this experiment?..( 1 mark )

iii) Predict what will happen if a candle is left burning without the container.

( 1 mark )


13/15

13

6. Diagram 6 below shows four types sources of energy.

Diagram 6

a) Based from diagram, label the names for types sources of energy usingthe following words.

Wind energy Hydroelectric energy Fossil fuels

A : C : . D : [3 marks]

b) Diagram shows a student throwing a ball up until it reachesposition P.

i) Name the types of energy are involved in stages P and S.

P: ..

S: ..[2 marks]

c) Numbering the statement below to explain the sequence of the

process in a table below.

[3 marks]

The ball has zero kinetic energy at position S

Potential energy at P is maximum

The ball has increase potential and kinetic energy at position Rand Q


14/15

14

7. Diagram 7 shows the set-up of an experiment. The distance of the conical flasksfrom the flameis the same . The Bunsen burner is lighted and left for ten minutes.The readings of thermometerP and Q are recorded at the end of the experiment.

a) Which thermometer shows a higher reading at the end of experiment ?

... [ 1 mark ]

b) Give one reason for your answer in (a).... [ 1 mark ]

c) How does heat from the Bunsen burner reach thermometer ?

..[ 1mark ]

d) During a hot day, Zanita chooses to wear a white wear instead of a black shirt .

i) Explain how this helps Zanita from feeling too hot.

....

[ 2 marks ]

e) Malaysia is one of the states that situated at the hot region. Usually hot regions of the world suchas tropical regions experience hot weather . Suggest and explain a method how the people intropics can kept their house cool based on the concept of heat radiation.

i. Method :


15/15

15

.

ii. Explanation :

....

[3 marks ]

-THE END -

Documents

FINAL EXAM FORM 1