If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

@cymric2648

2 жыл бұрын

Hi cognitio I just tried out your website its awesome i can review my IGCSE materials now. Thanks! I will subscribe and support the channel.

@cymric2648

2 жыл бұрын

And cant wait to see math courses! Thanks alot.

@cymric2648

2 жыл бұрын

Can you do a video about Logic Gates, please? 😎

@vert1xfps

2 жыл бұрын

You guys deserv heaven to be honest !

@godmercy324

2 ай бұрын

No

Can we just appreciate how this man still interacts with comments after 4 years? Your videos are incredible, you have produced some remarkable work over the years that has helped millions of other students like me in their GCSEs. I hope you the best of luck in your journey man, peace

@itsaeri9403

Жыл бұрын

thats so true, u got a like from cognito btw, i but i think u noticed already

@ComedyChuckleCo321

11 ай бұрын

vghjg

@user-gj6lc5py4o

8 ай бұрын

LGS JT BOYS 👦

this is crystal clear than 2hour chemistry lesson I got :)

@schoolwkgs8918

Жыл бұрын

BHAHAH crystilisation clear you mean

@mrwafflez1046

Жыл бұрын

@@schoolwkgs8918 my toe nails smell 😊

@FactFlix3

7 ай бұрын

ayo...@@mrwafflez1046

@muhammadamaar7936

4 ай бұрын

​@@mrwafflez1046can i sniff 😊🤤

@zayayui3207

Ай бұрын

@@mrwafflez1046what😭😭😭

I’m a mum looking for ways to support my daughter and your videos are BRILLIANT. I can understand to support her and she can use the materials to aid her revision. Thank You

this helped me a lot! thanks. im in year 9 and literally forgot all of this, lol

@Cognitoedu

5 жыл бұрын

Ahh that's always the way tbf, glad it could help you out!!!

@notreallyNat

4 жыл бұрын

lol yr7

@annadeakman6975

4 жыл бұрын

Lol yr 9

@hell0239

4 жыл бұрын

@@notreallyNat same

@edward_jxckson7452

4 жыл бұрын

@@notreallyNat Same lol why are we learning GCSE stuff tho tbf haha

AM I the only lucky kid who watched this video before the stinky chemistry test tommorow?

I’ve got an exam tomorrow and this really helped thank you so much you have a new subscriber!!

Here for an exam that’s is two days and this was so helpful

@AliA-ee9yv

3 жыл бұрын

Hope you pass

@mhalushate6502

3 жыл бұрын

@@AliA-ee9yv Thanks I did

@AliA-ee9yv

3 жыл бұрын

@@mhalushate6502 congratulations bro

@m.shayanghani420

3 жыл бұрын

Same

@dhwanijain7373

2 жыл бұрын

Its been a year but good luck

i have an exam tomorrow and i literally just watched your channel cuz you explain so well!!!THANK YOU SO MUCH YOU ARE SO UNDERRATED!!!!!!

Thank you Cognito :) This really helped me a whole lot, I can't focus in class and don't understand but thanks to this, I really understand Yaayy!! Hope this video gets a lot more views 😉 This is the only video that was complete that I could find

These videos are literally my saviour. I've saved myself hours of revision just by watching this video. Thanks so much

@Cognitoedu

Жыл бұрын

Happy to help!

thank you so much for the short and elaborate guide! You've definitely saved so many students lol

@Cognitoedu

2 жыл бұрын

That's what we're here for! Thanks Muhammad 👍

@irlfuhua

Жыл бұрын

RAIDEN MEIIIII

@Muin..

Жыл бұрын

@@irlfuhua Ngl, didn't expect this but FU HUAAAA

This is the top g in education right here 😂you helped a lot in my gcse and saved me ours of revision

I HAVE AN EXAM AND BY WATCHING YOUR VIDEOS I LITERALLY KNOW EVERYTHING

U explain better then any chemistry teacher I've ever had-

Cognito, your videos are no joke AMAZING. You explain stuff so nicely and well done in just 5 minutes, and that’s why I pass my exams, all thanks to you guys. This is why i subscribed to you, and please carry on the tremendous work your doing!!! You’re only helping more and more people with each subscriber and view you get, which I think that’s amazing. I’ll start recommending you to people who are struggling with this, and hopefully they will start watching you to. GL!!!!!

Hi, this video is absolutely amazing i am going throught the whole chemisty topic on your channel for my scinece exam tommorow, even though i am jn year 9, in 2 gears for my GCSES i will come.back and use this, thank you so much

My finals are going on and it is my chemistry exam after 2 days. I love your videos as they help my to understand things more clearly they really help! keep it up!!!! LOVE YOUR VIDEOS!!!!!!!!!!!!!!!

I have my first Chemestry exam on Thursday and I can't thank you enough for the extra help with these videos, I came across them while trying to find something that would help with my exams as I was struggling to find out how to study, and these videos help so much Had a Biology exam today and the biology videos helped with that a lot

I’m in year 7 and I seriously need to watch this for my test

Did anyone else’s science teacher say to watch this video?

@hopemurphy1738

4 жыл бұрын

YES PAHA

@shakinahtoney1548

3 жыл бұрын

Yes

@ctfc_jack6849

3 жыл бұрын

yes my slime

@akase_1395

3 жыл бұрын

indeed

@demonictogaaftoncipherstar4271

3 жыл бұрын

Correct

My guy you are the reason imma pass my test tommorow

Just going onto mocks and this helped sm tyyyy

Thank you this really helped with my Science homework ❤

A great video , got my chemistry assessment and seeing this made me understand it through ease .

Who else came here to review for a test?? And also this video helped my so much thx man :)

honestly you are the best your going to help me smash my exams

Thank you so much, this is gonna help me so much with my chem practical

thank you sir you taught me more in a couple of minutes than what i learned in a 2 hour science class

wow amazing this helped me soo much i have a chemistry test tmrw and you literally covered all the topics like an expert!!! My chemistry teacher can resign now!!!!

This man is the reason why I went from a straight C student to a straight A student in science, Tysm Cognito!

im in school and you are one of the first people to make me understand how Crystallisation thank you keep up the good work

@Cognitoedu

3 жыл бұрын

That's great Liza, glad we could help 😊

Great stuff my lad, keep it going

Cognito is the one thing getting me through exams, its so helpfull and its interactive aswell!

Watching this before my Lab exam today. Thank you!! ❤

I am here as science teacher said i should watch this but i am going to subscribe as this helps me a lot

i have a test in two hours i needed this thanks

Mahnn, this is incredible.... Thank u so so much😊

I can't believe it you should have a million likes !!!!!

@Cognitoedu

4 жыл бұрын

Thanks for the support, and for taking the time to leave a comment - give it a few years maybe we will!🙃 Good luck with all your work!!

Finally an actuall good explanation that i can follow

hey congnito! thank you for this vedio i am sure i will score good in my exams now (tommorow is my chemistry exam) THANK YOU SO MUCH......!!!! :D

@suryabp4834

3 жыл бұрын

update pls how much u got im hoping its good

i have a quiz tomorrow and this really saved me. thanks!

had 2 hours of this lesson and could not understand anything, this 4 minute video did thank u.

Quareeb my student enjoyed the video... Thanks for the upload

THANK YOU! Was confused b/w evaporation and crystallization.

so.. not a single person can hear the music in the background? or am I just imagining it?

i think u are the best teacher i wish you were tutoring mee thx a lot

Bro, still so useful after all this time❤❤

Sir your videos are very helpful. Thank you so much.

Thank you, this will probably save my grades. 🙏🙏

I did not understand that in school as my friends and I were making noise .The entire class was not lustening and taking notes but i took the notes . Even with notes i did not understan but now yess tomorrow is my exam . Thx💥💯

@Cognitoedu

4 жыл бұрын

Hi deepa thanks for such a lovely comment. It’s really great to hear the video was useful to you (and it’s really helpful for us to get comments cos it boosts the videos up the search rankings!) so thanks so much for taking the time to let us know! Good luck with all your work. Also I spent my entire GCSE making noise / setting fire to magnesium too, so can totally relate haha

@thechosen1164

3 жыл бұрын

@@Cognitoedu Making noise is my middle name ;) Thank you for this wonderful, informative video!

man ur video is very ezy to understand tnx :)

so basically, evaporation is easier, but we do not get back the solvent whilst crystallization is longer, but we get back both the solvent and the solute. thank you!!

Subscribed! Really helped me! I’m in Year 7, and have my science assessment soon thanks!

@Cognitoedu

4 жыл бұрын

Hi N, thanks for comment and really happy to hear you’re finding them useful!! Hope all your work goes well :)

please reply I don’t know what sieving and the mixtures of sieving I don’t know what evaporation is in mixtures filtration, distillation and flotation

hey thanks man this was pretty helpful

what do you think is the easiest way of separating mixtures

it really helped me, thankyou so much from the bottom of my heart

so much better than my teacher, thank u so much

BRO U ALWAYS SAVE MY LIFE ❤!!

Filtration 1:05 Evaporation 2:03 Crystallization 3:10

@Darknight-nv6ce

2 жыл бұрын

Thanks denise 🤜🤛☺☺

@DeniseP

2 жыл бұрын

@@Darknight-nv6ce no problem!

@Darknight-nv6ce

2 жыл бұрын

@@DeniseP where from u

@arivluhadiya3245

Жыл бұрын

@@Darknight-nv6ce aint no way

how long do we have to keep the crystals in the oven?

Thank you, it was very helpful and I understood about the topic very thoroughly .

@Cognitoedu

2 жыл бұрын

That's great Krishitha, glad you liked it 😊

ur such a legend for this

This is so good thanks

This video help me alot

Thx for this info really will help me in my chem assessment 😅

I am watching this the morning before my chemistry end of unit test thanks 😅

@KingIndarah

2 ай бұрын

Hi

I'm year 9 and we've had online school for a while so I haven't really learnt anything since the start of the year and I have a really important test tomorrow so yay 😩🤞🏽

Your videos are great

You are the best teacher.and l will tall you thinks!

u deserve lots of subs

thanks A lot forgot this Im in year 8 lol

Tmrowss my exam....reallyyy helped!!

amazing video it really helped me

@Cognitoedu

3 жыл бұрын

Really happy to hear it - thanks!

THIS HELPED ME SO MUCH

thank you sm! reallyy helped

Thanks for this video❤️😙

My test is in a day and ur video really help thank you so much

@Cognitoedu

2 жыл бұрын

Best of luck!

@dhwanijain7373

2 жыл бұрын

@@Cognitoedu Thank you so much i passed :))))

It helps a lot 😊

My exam is in next week and my che tr has already revision all the lessons but i still don't get it then i found this Channel to save me and understand the concept 🖤

ure my lifesaver bbg 💞💞

Do you mean that the colder the solution,more solid solute would appear?

How long does it take on average for crystals to form in crystallisation? Does it depend on the solution?

@potato6439

3 жыл бұрын

Probably

thank u so much..

Question: Then why don't we form crystals in fraction or simple distillation when we evaporate all of the elements to leave one element left in a flask?

Why don’t you leave everything to dry? Couldn’t there be crystals that are still mixed in the solution that you filtered out??

@bray8949

3 жыл бұрын

ull just end up evaporating all of it and leaving the bit of solute to form with defects

Thx alot dude

anyone else got told by there science teacher to watch this

Hey, First of, I can’t thank you enough….Thank you, And second, is there no #5?

THANK YOU!!

Subscribed

bro is alife saver thanks bet u can replace the scince departmrnt

thank you

thanks you just made my lesson 10x easier it means i have more freetime for me to play! + 1 subscriber and +1 like

I will subscribe this guy one day 99.999%

Me and leila olive mcgarry found this super duper helpful aww tysm pookie

Who else is hear because of their science teacher ?

@ijeomaoche2551

Жыл бұрын

Meeeeeeeeeee!!!!!!!!!!!!!1!!😅

TYSM MAN

These are summer vacations going on and I'm sure,thanks to you, that after summer vacations, I'll be a top student in studies. Ahahahahaahhaahahahahhàahahhahahahhaha