Embed Size (px)
DESCRIPTION
1. You are given 30 minutes. 2. Questions are based on diagram / pictures/bar charts/dialogues/statements. 3. Read the question carefully and understand it. The information given can guide you to answer the question. 4. Your answers should be short and brief. 5. Your handwriting should be neat and easy to read. 6. Differentiate the three variables. 7. Check your answers and make sure that your spelling are correct and use the correct science terms.
Citation preview
SJK(T) LADANG SEMBRONGTEKNIK MENJAWAB SOALAN SAINS
BAHAGIAN (B)
Tarikh : 21-06-2013Hari : JumaatMasa : 1.30 T/hari– 3.00 T/hariTempat : Bilik DarjahPenceramah : En.Vivegagayathiriar
TEKNIK MENJAWAB SOALAN SAINS
BAHAGIAN (B)
VIJAY CARRIED OUT AN INVESTIGATION TO STUDY THE BASIC NEEDS OF AN ANIMAL.DIAGRAM BELOW SHOW THE APPARATUS USED IN THE INVESTIGATION.
Waterfood food
A B
Net
The observation below is recorded after two days.
Observation: Grasshopper in container A is alive and grasshopper in container B is dead.
(a) State
(i) What is changed(manipulated variable) in this investigation?
…………………………………………………………………….
(ii) What is observed (responding variable) in this investigation?
…………………………………………………………………….
(iii) What is kept the same (constant variable) in this investigation?
…………………………………………………………………….
(b) What is the purpose (aim) of this investigation?
………………………………………………………………………..
(c) State two information gathered in this investigation? 1 ……………………………………………………………………….. 2 ………………………………………………………………………....
(d) State one reason (inference) for the differentce in the result of the investigation after two days?
…………………………………………………………………….
(e) What conclution can be made from this investigation?
…………………………………………………………………….
1.IN AN INVESTIGATION ,A GROUP OF PUPILS POUR 100ML OF WATER INTO A MEASURING CYLINDER.THEN THEY PUT THE MARBLES INTO THE MEASURING CYLINDER ONE BYE ONE.THE VOLUME OF WATER IS OBSERVED AND RECORDED IN TABLE 1.
Number Of marble
1 2 3 4 5
Volume of water(ml)
120 140 160 180 200
a) What is the trend of change in the volume of water?
---------------------------------------------------------------------------------------------------- (1 mark)b) State
I) what is changed (/manipulated variable) in this investigation
-------------------------------------------------------------------------------------------------
ii) what is changed (manipulated variable) in this investigation
------------------------------------------------------------------------------------------------- ( 2 mark)
(c) State one relationship between the two information gathered in this investigation
---------------------------------------------------------------------------------------------------- (1 mark)
(d) Predict the volume of water if 7 marbles are put in the measuring cylinder.
---------------------------------------------------------------------------------------------------- (1 mark)
2.DIAGRAM 2 SHOWS A BAR CHART ABOUT THE NUMBER OF ORANG-UTAN FOUND IN HABITAT P FROM THE YEAR 2006 TO YEAR 2010
2006 2007 2008 2009 20100
20406080
100Number of orang utan
Year
(a) What is the trend of change in the number of rang utan from year 2006 to 2008
---------------------------------------------------------------------------------------------------- (1 mark)
(b) Give one reason (inference) about the trend of changes mentioned in (a)
---------------------------------------------------------------------------------------------------- (1 mark)
(c) State what is observed (responding variables) in this investigation.
---------------------------------------------------------------------------------------------------- (1 mark)
(d) Give one reason (inference) about the trend of changes from the year 2008 to 2009
---------------------------------------------------------------------------------------------------- (1 mark)
(e) State one other animal that facing the same problem as orang-utan
---------------------------------------------------------------------------------------------------- (1 mark)
WALK WITH SCIENCE
(a) State
(i) What is changed(manipulated variable) in this investigation?
Presence of water
(ii) What is observed (responding variable) in this investigation?
Condition of grasshopper
(iii) What is kept the same (constant variable) in this investigation?
Size of container
(b) What is the purpose (aim) of this investigation?
To investigate the relationship between presence of water and condition of grasshopper.
(c) State two information gathered in this investigation? 1 Presence of water 2 Condition of grasshopper
ANSWERS
(d) State one reason (inference) for the differentce in the result of the investigation after two days?
No water for the grasshopper in container B while grasshopper container B get enough water.
(e) What conclution can be made from this investigation?
Animal need water to stay alive
a) What is the trend of change in the volume of water?
increases (1 mark)b) State
I) what is changed (manipulated variable) in this investigation
The number of marbles
ii) what is changed (manipulated variable) in this investigation
The volume of water ( 2 mark)
(c) State one relationship between the two information gathered in this investigation
The more the number of marble ,the more the volume of water. (1 mark)
(d) Predict the volume of water if 7 marbles are put in the measuring cylinder.
240ml (1 mark)
(a) What is the trend of change in the number of rang utan from year 2006 to 2008
Deacreases (1 mark)(b) Give one reason (inference) about the trend of changes mentioned in (a)
Illegal hunting (1 mark)
(c) State what is observed (responding variables) in this investigation.
The number of orang utan (1 mark)
(d) Give one reason (inference) about the trend of changes from the year 2008 to 2009
The Orang-utan Rehabilition Center was estabilished to take care of orang -utan (1 mark)
(e) State one other animal that facing the same problem as orang-utan
Tiger/Tapir/Burung Enggang
