PSLE Sciene - Section B : Open ended questions

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PSLE Sciene - Section B : Open ended questions

Postby just.learn.lah » Wed Jul 13, 2016 6:17 pm

It seems that there are a number of students having difficulties in securing the marks in this section.

Often the answers that were given fell just short - and since the questions are of usually one to two marks - they lost a lot of marks. [ This also happened in higher level - GCE O level science questions - but there the marking scheme is even more strict]

In my teaching and coaching with these students I found that they know the answers but could not express it well enough for the marker to give the marks to them.

I have to repeated teach them how to read the questions carefully
understand what the question is asking
then answer to the point - but comprehensively - with necessary and sufficient information so that marks can be given.

There are many that advocate the use of key words in the answers.
The problem is not just the keywords per se
The answer must be of logical flow - in response to the questions.
[In other words - KEY words are not the only key in getting the marks]

There are many strategies - and all these will depend on the students' ability










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Re: PSLE Sciene - Section B : Open ended questions

Postby just.learn.lah » Fri Jul 29, 2016 10:57 am

One of the ways to get the answers to the structure question correct is to ask "SO WHAT"?

This will help you to "complete" your answer

For example
The question may ask " Explain which is a better material (steel or plastic) to make the handles of the pot"

Many will answer - Plastic, because it is an insulator of heat.

This answer is incomplete - it needs to be further elaborated to explain SO WHAT if it is an insultator of heat - it still have not explain the reason it is used to make handles

You have to explain further so that the reader will understand.

Cheers!
Mr Ng


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Re: PSLE Sciene - Section B : Open ended questions

Postby just.learn.lah » Wed Aug 03, 2016 8:09 am

Many of questions have two or three parts.
The first part would illustrate an experiment and the results.
There will be questions related to this experiment.
The second part will be an application question - asking to explain a certain situation - but based upon the earlier results obtained.
Many students err in answering the second part "independently' of the first.

The two questions are related and you will need to follow it from the first part.

Cheers!
Mr Ng

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