For the last part it is good to write down the dependent and independent variables and also to draw a graph of the experiment with the table and the diagram
I gave my igcse exams 2 years ago and got an A* in all science subjects thanks to your videos. I always wondered what happened to this channel. A very big thank you for helping me through 9th and 10th grade I am currently preparing for my A level examinations.
Hello Sheri, I've got the 0625 /61 papers for May/June for 2016,17 and 18 up now. Hopefully that will help - I'm in the process of putting up more. Thanks for letting me know what you'd like.
Yes thanks alot because i never had a teacher solve a complete paper 6 with me and the exam is in almost a month! Im very thankful for all the great work!
Like in 30:00 you gave reference to use measuring cylinder to measure volume of water Like we do in biology do we have to be specific on how much the volume will be Or just in physics describe the use of apparatus?
At 6:00 could you just put seconds instead of second squared ? Edit : at 16:00 would it be alright to put the significant figures e.g. For the first row put .8
You must put your answer in seconds squared as you are doing T squared and the units for T are seconds. As for your second question, I can't find the question you are referring to. Could you please clarify this.
@@MRMoody-vo3nr which class? I don't really understand... The 2019 practise papers for IGCSE just came out online. I was just asking if they could do a video on those papers :)
At 14:58, is the side where the arrow is pointing in the variable resistor important? Or can I just make the arrow point anywhere, provided it is diagonal to the rectangle?
I don’t fully understand the last question. You put “air gap” “final temp” “change in temp” in the table and I checked the mark scheme and it shows “air gap” “temp” and “time” so which 3 heading should I use?
Hello Hana NT, you absolutely need the air gap measurement and then you would need either temp or time or both. Temp if you're using a fixed time period (which I was) then the time counts as a fixed variable. Time if you're measuring a fixed temp drop i.e. time to cool from 75 to 50 Celsius. Or both - if you want to - although either temp drop or time taken should be fixed so you should only need 1 but you wouldn't lose marks for recording 2. I hope that helps!
Bcz u get a more precise answer. You usually round off to 3sf if its like 2.7896 then H can make it 2.79.but if it's 12946.789, just make it 12946.8 or 12946.79
In this case the reason is because you have 3sf x 3sf so you can give it to 3 or 4 sf. The mark scheme expects 4 sf but there is no guidance for it from the examiners report. I personally would use 4 here as I would be allowed to give that level of accuracy because of the number of significant figures I am working with. It is unusual to be able to use 4.
In the first question, part d about the changes that could improve the reliability; length of pendulum is not included in the MS. Will my mark count if i write it or not?
It doesnt necessarily increase the reliability but it helps us gather more values but for example when we're planning an investigation in the additional points we mention repeating the whole experiment using different lengths.
Hello Malak, the mark scheme does include this. It gives "Use of additional d values OR use a larger d value" for one of the marks - d is the length of the pendulum. So yes you will get the mark!
Just a few notes to start with on this one - It looks like it'll be a fixed amount of cold water in a test tube at one end of the metal and a beaker of hot water at the other. same amount of water each trial and same starting temp (all hot water same temp and volume and all cold water same temp and volume). Measure the temp rise in the cold test tube after a fixed length of time and compare. Assuming that the metal rod is heating the cold water through conduction. You'll need a thermometer and a stopwatch. Hope that helps - Mike.
@@ScienceandStuff Hi Sir i'm thankful for this explanation, but this is not the question i asked for haha! but it's fine!! The problem Is i don't know which paper has this question so that i'm able to follow along!
Sorry - I did the wrong exam paper (facepalm - key note- always read the question being asked carefully) :-) . I'll do a complete run through of this exam paper (p6/3 Nov 2016) as soon as I can. I'm trying to finish off a few other papers as well at the moment but I'll try to get it done quickly. Let me know if you've got any other questions/general questions/explanations you'd like. For this question though I'd get a few strips of each type of paper of the same thickness, length and a widths so that the samples can be directly compared. Suspend the paper using the wooden block and hook on the one side from a spring balance (the spring balance attached to a clamp stand) and then add weights to the hook at the other end using a mass hanger. Continue until the paper breaks and record the results (sample of paper, width and mass that it breaks at). If you suggest a graph then it would have to be a bar graph here because of the set of results you would get (paper 1 breaks at this weight, paper 2 at this weight, etc.). Take several measurements for each sample of paper and average the results. Ensure that the paper isn't torn before applying weights. Put a soft mat under the weights to catch them as they fall. Add weights gently. I hope this helps!
Anyone knows what is the exact s.g.f for answer in paper 6? Is it 2 or 3? My teachers let us to write down it as 2 s.g.f but as i look around the past paper ms, it is mostly written as "at least 2 s.g.f" or 3 s.g.f ... Yet i'm confusing to write down the answer....
hey whatsup sila. It's cause if you swing the pendulum only once you have lie maybe 3 seconds before you stop the clock which increases chances of you messing up with stopping the clock on time. So instead it is better to swing it say... 10 oscillations and divide your time by 10 to get time taken for 1 oscillation.
@@adammohamed2227 What's up Adam! What you said is totally right but read my question well. I was asking about increasing **the length of the thread** . Leave your comment tho maybe someone else was wondering about that. And thanks for replying all the same.
@@memo6032 oh wow oops sorry i didn't read your question properly. I thought yo asked about the oscillation thingy. I'm not sure what the answer is fr your question lol
Most gradients have units - there just aren't any marks for getting the units in this one - that doesn't mean they don't exist. A good example is the gradient of a distance time graph which gives us the speed - the gradient is ms^-1. Another example is the gradient of a speed (should really be velocity) time graph that gives the acceleration - gradient units ms^-2. I've found many students who don't know that gradients can have units - it's just something that isn't mentioned enough!
There are two ways of writing units with a fraction in. You can write m/s^2 (metres per second squared, the ^ sign is just to show it's a power in the comments section here) or you can take out the dividing line and write ms^-2 to show that it is on the bottom. This is just like in maths where exponents being divided have a negative sign. (You can also do this for m/s which can be ms-1). Both ways are correct and mean the same thing. I hope this helps.
You're right ! the last point is off by about 1.5 small squares. It seems I did 19*70.2 and not 19*71.2 - it only has a minor effect on the best fit line so I'll leave it in - well noticed though!
Hello! Question 3(a) - UV Values multiple by the u/cm & v/cm - The 5th calculation is 1353, not 1334. Make sure to double check the past paper marksheet before the examination. However, the rest is correct. Best of luck to the IGCSE Students!
Why don't we just simply write acceleration's unit as m/s^2 instead of m/s^-2? My exam is tomorrow so expect a lot of questions (if you are available, that is)
Most gradients have units - there just aren't any marks for getting the units in this one - that doesn't mean they don't exist. A good example is the gradient of a distance time graph which gives us the speed - the gradient is ms^-1. Another example is the gradient of a speed (should really be velocity) time graph that gives the acceleration - gradient units ms^-2. I've found many students who don't know that gradients can have units - it's just something that isn't mentioned enough!
For the last part it is good to write down the dependent and independent variables and also to draw a graph of the experiment with the table and the diagram
fax
fr
I gave my igcse exams 2 years ago and got an A* in all science subjects thanks to your videos. I always wondered what happened to this channel. A very big thank you for helping me through 9th and 10th grade I am currently preparing for my A level examinations.
wishing u best of luck
Who else has their exam tomorrow?
WarBeastGolem I’ve got my paper 6 exam tomorrow. Good luck Mr. stranger.
MaL3K_XD good luck!
@@takasec4946 thanks and good luck to you too Mr. Stranger
@@mal3k_xd yeah I have maths too, good luck!
@@appleid1982 good luck, hope you do well!
Bro u literally saved my life. I will come back and thank you again after I graduate
how bro did u do your IGCSE physics this year already?
@@assadismail3636 In the UAE the exams are cancelled so they are doing mock exams instead
@@hamzaaljulany1673 How was it?
@@hamzaaljulany1673 ifiguigsip
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Pioduuuduuyduuiufouufdosudi
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Ii
DdfooffotaaodoYdisu
did anyone realize that 19 multiplied by 71.2 isn't 1334 it is 1353 just pointing it out love the videos by the way
i noticed and immediately camt to the comment section to see if anyone else did
yes it is 1353 not 1334. I triple checked
Thanks alot my exam is this Thursday
same
Me too😜
You are very welcome! Good luck in your exams!
same!
Same and paper 4 mathh
I wish you were my physics class teacher, Btw , your voice is amazing 😎💫💫💫
Hello! Im very thankful for all the great videos u r uploading!but can u solve more paper 6??????/
Hello Sheri, I've got the 0625 /61 papers for May/June for 2016,17 and 18 up now. Hopefully that will help - I'm in the process of putting up more. Thanks for letting me know what you'd like.
Yes thanks alot because i never had a teacher solve a complete paper 6 with me and the exam is in almost a month! Im very thankful for all the great work!
Amazing explanation! 💞 Please continue making these videos
Your voice is so heart-warming
Thanks very much!
Thank you for your time.. you're a hero!
Anyone has their exam tmrw
physics p6 tmrwand then english listening on friday
reply if you are SAME :D
samee
same
Killua Zoldyck same bro ...😞
Same
Sir can u give some tips for paper 6. I'm only struggling with the last question which is 7 marks
noice
thank you soooo much. got tremendous help. however hoping for more paper 6 questions as its our first IGCSE physics paper
I'm working on one right now - will get it out as soon as possible!
You literally saved my life!
Thank you, good revision before the exam!
I am very pleased that you found this helpful! Good luck with your exam!
Like in 30:00 you gave reference to use measuring cylinder to measure volume of water
Like we do in biology do we have to be specific on how much the volume will be
Or just in physics describe the use of apparatus?
my teacher told me it isnt necessary
At 6:00 could you just put seconds instead of second squared ?
Edit : at 16:00 would it be alright to put the significant figures e.g. For the first row put .8
You must put your answer in seconds squared as you are doing T squared and the units for T are seconds.
As for your second question, I can't find the question you are referring to. Could you please clarify this.
Thank you very much for this!! Can you do the october 2019 paper please? :)
tweetie can u say me which class this paper is for??
@@MRMoody-vo3nr which class? I don't really understand... The 2019 practise papers for IGCSE just came out online. I was just asking if they could do a video on those papers :)
tweetie I mean is these a board exam for class 10 or what?
@@MRMoody-vo3nr for igcse, the exam board is cie
At 14:58, is the side where the arrow is pointing in the variable resistor important? Or can I just make the arrow point anywhere, provided it is diagonal to the rectangle?
I am pretty sure the direction is not important because there is no other symbol in the syllabus with just an arrow going through a rectangle
I ve got me mocks tommorow, btw veryy helpfull vid thanks soo much
hi, can you please explain what mocks are and what their purpose is?
@@n-kay9676 they r like the finals and scl makes u give those exams so u can prepare and then u know how the finals will come.
@@AryanLiftss69 aah ok tysm
Well, someone left their caps lock on
lolololololololols
For people who did this exam, how did it go? was it easy?
CAN u do 2019 March past paper 4
question 3a is done wrongly 19 times 71 .2 is 1352.8, not 1334
thank you for this amazing video
Thanks! Very helpful
I am so happy you found this useful!
I don’t fully understand the last question. You put “air gap” “final temp” “change in temp” in the table and I checked the mark scheme and it shows “air gap” “temp” and “time” so which 3 heading should I use?
Hello Hana NT, you absolutely need the air gap measurement and then you would need either temp or time or both. Temp if you're using a fixed time period (which I was) then the time counts as a fixed variable. Time if you're measuring a fixed temp drop i.e. time to cool from 75 to 50 Celsius. Or both - if you want to - although either temp drop or time taken should be fixed so you should only need 1 but you wouldn't lose marks for recording 2. I hope that helps!
Sir at 17:41 your last value for uv is wrong i guess
Hey
Don't we need to draw a graph in that last question ?
You only need to describe how to set up the graph.
Once u understand the answer or how they ask the question format it’s ez
Do we always do the line of best to fit in this paper?
OMG this sir's voice thoufh deep af
LOL
lol ive got my cie in couple of hours and im still doing my revision
abdu li same here😂
@@kikithwel Heyyyyy, it's been two years, how did you do?
Concerning 3rd question, why did we not round to 3 sf only? Like 1060 instead of 1064.8
Bcz u get a more precise answer. You usually round off to 3sf if its like 2.7896 then H can make it 2.79.but if it's 12946.789, just make it 12946.8 or 12946.79
In this case the reason is because you have 3sf x 3sf so you can give it to 3 or 4 sf. The mark scheme expects 4 sf but there is no guidance for it from the examiners report. I personally would use 4 here as I would be allowed to give that level of accuracy because of the number of significant figures I am working with. It is unusual to be able to use 4.
So is it wrong to round it to 3sf ?
I was wondering same thing too!
in the second page why did you write acceleration is equal to meter per second to the power of minus 2????
Majd it is just another way of writing m/s^2 you can google it
In the first question, part d about the changes that could improve the reliability; length of pendulum is not included in the MS. Will my mark count if i write it or not?
How Changing the length increases reliability?? I dont think so 🤔
It doesnt necessarily increase the reliability but it helps us gather more values but for example when we're planning an investigation in the additional points we mention repeating the whole experiment using different lengths.
Hello Malak, the mark scheme does include this. It gives "Use of additional d values OR use a larger d value" for one of the marks - d is the length of the pendulum. So yes you will get the mark!
(0625-W 2016-Paper 6/3-Q4)
this question
Just a few notes to start with on this one - It looks like it'll be a fixed amount of cold water in a test tube at one end of the metal and a beaker of hot water at the other. same amount of water each trial and same starting temp (all hot water same temp and volume and all cold water same temp and volume). Measure the temp rise in the cold test tube after a fixed length of time and compare. Assuming that the metal rod is heating the cold water through conduction. You'll need a thermometer and a stopwatch. Hope that helps - Mike.
@@ScienceandStuff Hi Sir i'm thankful for this explanation, but this is not the question i asked for haha! but it's fine!! The problem Is i don't know which paper has this question so that i'm able to follow along!
Sorry - I did the wrong exam paper (facepalm - key note- always read the question being asked carefully) :-) . I'll do a complete run through of this exam paper (p6/3 Nov 2016) as soon as I can. I'm trying to finish off a few other papers as well at the moment but I'll try to get it done quickly. Let me know if you've got any other questions/general questions/explanations you'd like.
For this question though I'd get a few strips of each type of paper of the same thickness, length and a widths so that the samples can be directly compared. Suspend the paper using the wooden block and hook on the one side from a spring balance (the spring balance attached to a clamp stand) and then add weights to the hook at the other end using a mass hanger. Continue until the paper breaks and record the results (sample of paper, width and mass that it breaks at). If you suggest a graph then it would have to be a bar graph here because of the set of results you would get (paper 1 breaks at this weight, paper 2 at this weight, etc.).
Take several measurements for each sample of paper and average the results. Ensure that the paper isn't torn before applying weights. Put a soft mat under the weights to catch them as they fall. Add weights gently.
I hope this helps!
thanks alot
that was really helpful
Anyone knows what is the exact s.g.f for answer in paper 6? Is it 2 or 3? My teachers let us to write down it as 2 s.g.f but as i look around the past paper ms, it is mostly written as "at least 2 s.g.f" or 3 s.g.f ... Yet i'm confusing to write down the answer....
He explains it here
18:05
Thank you!
Hey, just wondering if I can write a jiggly line for the y axis only? For example x: 0 10 20 30 40 y: 0 jiggly line 20 30 40 50 60 ?
In this question no - it states on the question to start the axis from 0,0 - this means no jumps! Under normal circumstances this is possible.
If I forget to write the units of measurement for igcse physics how much marks will I lose?
Please put up paper 2 also
Absolutely! Here is a link to it for May/June 2018: ua-cam.com/video/MJzq25XQxHM/v-deo.html
Kindly justify no. of sig. fig. In Q1(b)(iv & v)
for iv u just square the number to get T2, and v use the valuse from T2 and divide that by 20, 20/1.98
when we have to plot 1128 on a graph, is it ok to plot 1130?
Please, if it's possible I want the answer of question 4 paper 61 at 0972 may /june 0972/06/SP/18
In Q1 e
Why will increasing the length of the thread holding the pendulum increase reliability, I don't get it?
hey whatsup sila. It's cause if you swing the pendulum only once you have lie maybe 3 seconds before you stop the clock which increases chances of you messing up with stopping the clock on time. So instead it is better to swing it say... 10 oscillations and divide your time by 10 to get time taken for 1 oscillation.
@@adammohamed2227
What's up Adam! What you said is totally right but read my question well. I was asking about increasing **the length of the thread** .
Leave your comment tho maybe someone else was wondering about that. And thanks for replying all the same.
@@memo6032 oh wow oops sorry i didn't read your question properly. I thought yo asked about the oscillation thingy. I'm not sure what the answer is fr your question lol
i dont get what you say about significant figures is it ok if i round to 3, it gets me confused?
3 significant figures it’s just like saying write the 3 most most important numbers from the answer
guys i just checked the ms and the gradient obviously has no unit
Most gradients have units - there just aren't any marks for getting the units in this one - that doesn't mean they don't exist. A good example is the gradient of a distance time graph which gives us the speed - the gradient is ms^-1.
Another example is the gradient of a speed (should really be velocity) time graph that gives the acceleration - gradient units ms^-2.
I've found many students who don't know that gradients can have units - it's just something that isn't mentioned enough!
Matteo Di Rubbo dang u got roasted LOL
Exam tomorrow?
Why do you put -2 when writing metres/second squared?
There are two ways of writing units with a fraction in. You can write m/s^2 (metres per second squared, the ^ sign is just to show it's a power in the comments section here) or you can take out the dividing line and write ms^-2 to show that it is on the bottom. This is just like in maths where exponents being divided have a negative sign. (You can also do this for m/s which can be ms-1). Both ways are correct and mean the same thing. I hope this helps.
@@ScienceandStuff ohh I get it now. Thanks
Thanks :)
You are very welcome :)
Wait why is the units m/s^-2 isn't supposed to be m/s^2?
the unit is either m*s^-2 or m/s^2 ("*" stands for multiply)
butterfly! did you give your paper? how did it go?
thank you so much
your graph plots are wrong the last one should be 1353 not 1334.
You're right ! the last point is off by about 1.5 small squares. It seems I did 19*70.2 and not 19*71.2 - it only has a minor effect on the best fit line so I'll leave it in - well noticed though!
Hello! Question 3(a) - UV Values multiple by the u/cm & v/cm - The 5th calculation is 1353, not 1334. Make sure to double check the past paper marksheet before the examination. However, the rest is correct. Best of luck to the IGCSE Students!
Why don't we just simply write acceleration's unit as m/s^2 instead of m/s^-2?
My exam is tomorrow so expect a lot of questions (if you are available, that is)
You should write either m/s^2 or ms^-2 (they mean the same thing). If you write m/s^-2 that is wrong.
@@ScienceandStuff Thank you, that clarifies alot.
I've got my test in about two hours
I know that the zigzag line is unnecessary , you can just put 1000 on the origin and they will understand that there was a jump in the scale :/
would really appreciate if u raised your volume
Audio very low can't hear you at certain points .but helped alot tho thnks
Who has physics atp tomorrow
guyys ,,, careful GRADIENT doesnt have a uniiiit
right? thats what i thought too but he replied to me that cm^2/cm is cm so it has a unit
in fact i just checked the ms, it doesn't require any unit, luckily i checked
Most gradients have units - there just aren't any marks for getting the units in this one - that doesn't mean they don't exist. A good example is the gradient of a distance time graph which gives us the speed - the gradient is ms^-1.
Another example is the gradient of a speed (should really be velocity) time graph that gives the acceleration - gradient units ms^-2.
I've found many students who don't know that gradients can have units - it's just something that isn't mentioned enough!
Valeu bro
Too low volume
my exam is tomorrow :(
allah may you help us all ...
i have my physics exam tomorrow and im fastinggg
L
DUBAI?
He kinda sounds like Mr Bean
who's got there exam today lol
Exam today gang gang.
Why are you whispering like just speak up to the mic
You can increase the volume, it's perfectly clear :)
Your voice
I have to chose between studying for this and wacthing champions league tonight. I'm torn!
same but i sacrificed champions league
your Voice is tooooooooooooo low
Increase volume, it's clear for me