Q&A - PSLE Science

[Nebbermind]

atutor2001:

For the other question on dispersal, I think the given answer is wrong. Should be (2)

oops, didn't noticed the plats at the upstream! :oops:

[Alchemist]

Hi - I have quite a few science queries accumulated from sometime back. Not much luck checking with the Science teacher - so I am posting them here. I thank in advance whoever answers them - and do believe it should help your kids too. Thanks


This is from Rosyth 2010 Prelim. http://i56.tinypic.com/9u2jc0.jpg\">

[Alchemist]

http://i52.tinypic.com/6zxavn.jpg\">

[Verysuperkiasu]

vidhyalog:

Answer key is (1) 4 but ds's answer is (2) 6. Which is the correct one?

[/quote]

Alamak!!! Even I also missed the word 'animal'. Wah, mcq science can really be very tricky - must really READ carefully. :rotflmao:

Thanks anyway!!!

[Nebbermind]

styrofoam cup qn.


(A) - coz the air trapped in the cup will be compressed so it’ll show a little bit of water in cup.

(D) - since air can escape, the water level inside and outside shd be the same snce same air pressure

YA?

[Alchemist]

http://i52.tinypic.com/3585ohd.jpg\">


Answer given is (2) - but would B, C and D all be applicable?

[Alchemist]

http://i52.tinypic.com/33vdy0j.jpg\">

[Sun_2010]

vidhyalog:

http://i52.tinypic.com/3585ohd.jpg\">


Answer given is (2) - but would B, C and D all be applicable?

C is not structural adaptation I think

[Alchemist]

Need some help with the following OE Qn http://i52.tinypic.com/2v0bcxx.jpg\">

[Alchemist]

Need assistance for part b of this question http://i55.tinypic.com/200phn7.jpg\">