2010 PSLE Science
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For the elephant question, I put :
The big ears help to trap air which is a poor conductor of heat.Thus,keeping the elephant cool. Wonder if it is correct!!! :?:
:!: -
desichan352:
Me too. I had fever 39.9 deg C on Sunday, it was down to 36.9 deg after taking prescribed Ibuprofen... but still cannot think straight... completed the paper with seconds to spare :stupid: :stupid: :stupid: :stupid: :stupid:I got fever today....
Temp. -> 38.7 degrees
Haiz..... But of course I still insisted on taking the paper so they put me in a classroom to take all by myself...
Paper was quite ok except for a few questions here and there
But i was very giddy so could not think properly -
Little Mermaid:
Big ears do help to keep the elephant cool.For the elephant question, I put :
The big ears help to trap air which is a poor conductor of heat.Thus,keeping the elephant cool. Wonder if it is correct!!! :?: :!:
However, it is not due to the trapped air but the large surface area for them to lose the heat. -
Little Mermaid:
it's not correct. let's take the polar bear for example. the polar bear's fur traps air which is a poor conductor of heat. thus, helping to keep the polar bear warm. being a poor conductor of heat, air conducts heat away from the polar bear at a slower rate.For the elephant question, I put :
The big ears help to trap air which is a poor conductor of heat.Thus,keeping the elephant cool. Wonder if it is correct!!! :?: :!:
in the question, there is a phrase that say something like, \"...help the elephant lose heat...\" so ur question is out of point. the big ears of the elephant helps it to lose heat, not trap air to keep it cool. (no offence) -
PSLE science was like damn freakin' easy. oh well. it's finally over. freeeeedom for like 2 months at least. :lol:
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anybody know the answer to the insect X question. I put 28 days but many of my friends say that it is 24 days and what is the reason for insect X staying in water for the egg larva and pupa stages
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some of the questions r quite hard i hope i can still be able to get an A*
:x :x :x :x :x :x
DS of apronmama -
Polar bear:
anybody know the answer to the insect X question. I put 28 days but many of my friends say that it is 24 days and what is the reason for insect X staying in water for the egg larva and pupa stages
I think it is to prevent the young of insect X from being eaten by other animals. -
One of the questions from today's paper was like this:
A 200cm metal rod was heated for 20mins and expanded to a length of 210cm. John took another 200cm metal rod, made of the same type of metal, but thicker. He heated it for 20mins. Will the length of the thicker rod be shorter or longer than 210cm or be the same? Explain.
My answer: Longer. The amount of matter in the thicker rod was more than the amount of matter in the first rod, hence the thicker rod would expand to more than 210cm. :? :? :? :? :? :? :? :? :? :? :? -
Polar bear:
anybody know the answer to the insect X question. I put 28 days but many of my friends say that it is 24 days and what is the reason for insect X staying in water for the egg larva and pupa stages
I feel that it is 24 because the question said \"after the egg hatched\" ,so it should not include the time insect x stayedin the egg stage.
:lol: :lol: :lol:
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