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GCSE Science and Maths revision

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    GCSE Science and Maths revision (OP)




    i thought i'd make this thread as i'm hoping that it would help each and every GCSE student that is a member of this forum (and possibly even people who aren't members of this forum).

    here, you can post anything that you've learnt today...bearing in min that this is a science and maths thread ONLY...i dont want to see posts regarding the climate or the nazis. this can aso be regarded as a thread where you can ask questions that you do not know the answer to or even quiz each other.

    but...as quite a lot of threads, this thread requires you to sign a set of rules.
    • no googling the answer, copying and pasting...feel free to research the topic, make notes...and then come back to answer...that is once you know that you have learnt the topic well.
    • no off-topic posting (duh!)
    • if you are a non GCSE student willing to help us poor enslaved students, feel free to do so.
    • you can only post an answer to a question if you are a GCSE student...but anyone (even if you are not a GCSE student) can ask GCSE science or maths related questions.
    *hmm...i think there were more rules...but i've forgotten them...so that's it for now*

    this thread can also be used as an excuse as to why you are being online when you are supposed to be revising for your exams...but if the excuse doesn't work, i am not to blame...*i know, i never was a good influence on kids*

    first question (as today, i didnt learn anything in school cause i wasnt bothered)...

    1. What are the three different types of rocks? Examples for each of the types.
    2. Two types of igneous rocks and one example for each type.

    GCSE Science and Maths revision



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    Re: GCSE Science and Maths revision

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    format_quote Originally Posted by Abdullah2907 View Post
    Salams

    ^Is it because of the large amount of power involved^
    nope, but because less energy is lost.

    next q:

    explain step up and step down transformers.

    GCSE Science and Maths revision


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    Re: GCSE Science and Maths revision

    Assalama Aleykum

    I am doing Gcse Maths
    Has anyone done or Is anyone doing the 2D to 3D sequence project
    I can't seem to find a formula for the nth term of the pattern when extended to a 3D view

    Any help will be appreciated
    scusa if the Q doesn't fall under the revision concept
    May ALLAH swt help us rip the fruits of our hard work (no such thing as good luck and not so good luck) he who fails to plan ,,,,plans to fail:X and nin shaqeesan shaah macabo
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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by hibah786 View Post
    salam alaikum every1 i jus wanna say that i am new 2 this service n i wanna ask is there sum sort of website specially made for GCSE science coz i am takin ma examz in june n need 2 start revisin specially in chemistry ma salama every1 fi aman allah


    do you want some books? i have i can send them you? they are just a few years old but i didnt really use them and have no idea what to do with them. if you want lemme know
    GCSE Science and Maths revision

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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by +*Rooh*+ View Post
    explain step up and step down transformers.
    need help?...why do i see no vounteers?

    GCSE Science and Maths revision


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    Re: GCSE Science and Maths revision

    transformers use an elcetromagnet to step up or step down voltage and current so that they are suitable for smaller aplliances
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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by aadil77 View Post
    transformers use an elcetromagnet to step up or step down voltage and current so that they are suitable for smaller aplliances
    correctos.

    next:

    what is the value of pi?

    (couldn't be bothered to search my brain for a better question).

    GCSE Science and Maths revision


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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by +*Rooh*+ View Post
    correctos.

    next:

    what is the value of pi?

    (couldn't be bothered to search my brain for a better question).

    3.142 (The Da Vinci Code drummed it into me).
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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by strider View Post
    3.142 (The Da Vinci Code drummed it into me).
    *cough* the below rule as just been violated...but i guess its okay ...by the way, you are an AS level student at the moment right sis

    • you can only post an answer to a question if you are a GCSE student...but anyone (even if you are not a GCSE student) can ask GCSE science or maths related questions.
    so ask away

    GCSE Science and Maths revision


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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by +*Rooh*+ View Post
    *cough* the below rule as just been violated...but i guess its okay ...by the way, you are an AS level student at the moment right sis
    Yes, i'm an AS student but retaking GCSE Maths this year. So, strictly speaking i haven't broken the rule.
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    Re: GCSE Science and Maths revision

    Next Question:

    What catalyst is used in the production of nitric acid?
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    Re: GCSE Science and Maths revision

    Salam

    I am currently doing GCSE this year, Exams are coming in June *PANIC!*

    Im getting As for Maths and Low Bs for Science, so if any1 needs any help for Maths gimme a pm.

    BTW aadil answer is Ammonia
    Wasallam
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    Re: GCSE Science and Maths revision

    next:

    ma09025 - GCSE Science and Maths revision

    calculate the length of EC.

    higher tier.

    Last edited by The Ruler; 03-22-2007 at 07:01 PM.
    GCSE Science and Maths revision


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    Re: GCSE Science and Maths revision



    hint?

    a^2 + b^2 = c^2

    [S]
    that's pythagoras right
    [/S]

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    Re: GCSE Science and Maths revision

    salamualikum.
    PI huhhhhhhhhh
    ma'assalama
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    Re: GCSE Science and Maths revision

    format_quote Originally Posted by +*Rooh*+ View Post


    hint?

    a^2 + b^2 = c^2

    [S]
    that's pythagoras right
    [/S]

    pythagoras is easyyyyyyyyyyyy
    rani
    GCSE Science and Maths revision

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    Re: GCSE Science and Maths revision



    its been 2 days...you have a further one day...if not solved, i'll do it.

    GCSE Science and Maths revision


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    Re: GCSE Science and Maths revision

    salam.
    sis solve what?
    ma'assalama
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    Re: GCSE Science and Maths revision

    sorry Rooh the catalyst is not 'iron oxide' that is used in making ammonia, the catalyst used in making nitric acid is platinum
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    Re: GCSE Science and Maths revision

    the length is 6.16cm or root38

    Maths questions are difficult to type so i'll stick to science

    Next question:

    what are the three types of radiation?
    And which one of them penetrates the most.
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    Re: GCSE Science and Maths revision

    Question is soo easy

    the radiation types are Alpha, Beta and Gamma

    Gamma penetrates the most
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