GCSE Science and Maths revision

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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.

:w:
 
salmualikum.
i wana ask one please && i need help :D

Q) what is a longitudal wave && also what is a transverse?

Ma'assalama

psst yesh am a blondie :D
 
they're both two types of waves, sound travels as a longitudinal wave and the same with transverse but it has a higher amplitude and wavelength
 
salamualikum.
^ are you doing it? or have done it?

okay next question.

Q)how do you find the mass of something && also how do you do the premiter && Area so confusing stuff that is :D

Ma'assalama
 
salamualikum.
am not sure me self on't bother asking me :D

anywho next Quenstion.

Q) how do you do algebra:?
Ma'assalama
 
yr 11 just competed it
area= base X height
perimeter= total length of all the sides added up together
 
salamualikum.
akay kewl.

now can someone explain the reactivity series of metals?
Ma'assalama
 
all it is that it depends on the metals position in the reactivity series the series is :
sodium
calcium
magnesium
aluminium
zinc
iron
copper
gold
 
salamualikum.
so which ones are reactive? && which are less ractive?
ma'assalama
 
salamualikum.
hmmpft forget that qestion you don't understand :lol:

anywho next question.

Q) what do we call the process that plants use to make sugar?

ma'assalama
 
salamualikum.
energy from the sun.......... to the Earth?
Ma'assalama

PSST ERM NEVER DONE :X
 
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