Chémia začína základnou otázkou - čo je to vlastne látka?... Show more
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Updated May 2, 2026
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Čo je látka: Definícia a vysvetlenie
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Čo je látka?
Predstav si látku ako stavebný materiál sveta okolo nás. Látka je všetko, čo má hmotnosť a zaberá priestor - teda má objem. Je to ako "typ" materiálu, z ktorého môžeme vyrobiť rôzne veci.
Teleso je už konkrétny predmet, ktorý môžeš chytiť alebo vidieť. Je vyrobené z jednej alebo viacerých látok. Kľúčové je zapamätať si: teleso je Z látky, látka je TO, z čoho je teleso.
Keď hovoríme, že látka má hmotnosť, znamená to, že na váhe niečo ukáže. Aj vzduch má hmotnosť! A keď povieme, že zaberá priestor, znamená to, že nemôže byť na rovnakom mieste ako niečo iné súčasne.
💡 Tip: Ak si nie si istý, spýtaj sa: "Je to všeobecný materiál, alebo konkrétny predmet, ktorý môžem chytiť?"
Rozdiel medzi látkou a telesom
Tu je to najdůležitejšie, čo musíš vedieť! Látka je všeobecná, teleso je konkrétne. Napríklad drevo je látka, ale stôl je teleso vyrobené z dreva.
Z jednej látky môžeš vyrobiť veľa rôznych telies. Zo skla (látka) môžeš urobiť okno, pohár alebo zrkadlo (všetko sú to telesá). Naopak, jedno teleso môže obsahovať viac látok - tvoj mobil je vyrobený z plastu, kovu aj skla.
Látky môžu meniť skupenstvo, ale stále zostávaju tou istou látkou. Voda, ľad a vodná para sú všetko tá istá látka H₂O - len v rôznom skupenstve. Každá látka má svoje špeciálne vlastnosti ako farbu, vôňu, teplotu topenia, ktoré nám pomáhajú ju rozpoznať.
💡 Zapamätaj si: Látky sú ako LEGO kocky a telesá sú ako stavby, ktoré z nich postavíš.
Príklady na precvičenie
Poďme si vyskúšať, či už rozumieš rozdielu! Pozri sa na tieto príklady a rozmysli si odpoveď.
Vzduch = látka (je to "materiál", má hmotnosť a objem). Nafúknutý balón = teleso (konkrétny predmet z gumy naplnený vzduchom). Cukor = látka, ale kocka cukru = teleso.
Železo je látka, zatiaľ čo železný klinec je teleso vyrobené zo železa. Voda je látka, ale pohár s vodou je teleso zložené z dvoch látok - skla a vody.
Najčastejšia chyba je zamieňať si tieto pojmy. Vždy si spomeň na základné pravidlo: teleso môžeš chytiť do ruky, látka je materiál, z ktorého je niečo vyrobené.
💡 Pre test: Ak sa ťa pýtajú na látku, mysli na vlastnosti. Ak na teleso, mysli na tvar a funkciu.
Vlastnosti a skupenstvá látok
Každá látka má svoje jedinečné vlastnosti, ktoré ju odlišujú od ostatných. Patria sem farba, vôňa, chuť, skupenstvo (pevné, kvapalné, plynné), teplota topenia a varu.
Tieto vlastnosti sú super užitočné - pomáhajú nám rozoznať jednu látku od druhej. Voda je bezfarebná kvapalina, železo je sivý pevný kov. Keď látka zmení skupenstvo, jej vlastnosti sa čiastočne zmenia, ale stále je to tá istá látka.
Hmotnosť meriame v gramoch alebo kilogramoch - je to miera toho, koľko "veci" je v predmete. Objem meriame v litroch alebo kubických centimetroch - to je miesto, ktoré látka zaberá.
💡 Rýchle opakovanie: Látka = stavebný materiál, teleso = hotový produkt. Látka má vlastnosti, teleso má tvar a funkciu.
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Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
Čo je látka: Definícia a vysvetlenie
Chémia začína základnou otázkou - čo je to vlastne látka? Všetko okolo teba, od vzduchu, ktorý dýchaš, až po telefón v tvojej ruke, je buď látka alebo je z látky vyrobené. Pochopenie rozdielu medzi látkou a telesom je kľúčové pre... Show more
Čo je látka?
Predstav si látku ako stavebný materiál sveta okolo nás. Látka je všetko, čo má hmotnosť a zaberá priestor - teda má objem. Je to ako "typ" materiálu, z ktorého môžeme vyrobiť rôzne veci.
Teleso je už konkrétny predmet, ktorý môžeš chytiť alebo vidieť. Je vyrobené z jednej alebo viacerých látok. Kľúčové je zapamätať si: teleso je Z látky, látka je TO, z čoho je teleso.
Keď hovoríme, že látka má hmotnosť, znamená to, že na váhe niečo ukáže. Aj vzduch má hmotnosť! A keď povieme, že zaberá priestor, znamená to, že nemôže byť na rovnakom mieste ako niečo iné súčasne.
💡 Tip: Ak si nie si istý, spýtaj sa: "Je to všeobecný materiál, alebo konkrétny predmet, ktorý môžem chytiť?"
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Rozdiel medzi látkou a telesom
Tu je to najdůležitejšie, čo musíš vedieť! Látka je všeobecná, teleso je konkrétne. Napríklad drevo je látka, ale stôl je teleso vyrobené z dreva.
Z jednej látky môžeš vyrobiť veľa rôznych telies. Zo skla (látka) môžeš urobiť okno, pohár alebo zrkadlo (všetko sú to telesá). Naopak, jedno teleso môže obsahovať viac látok - tvoj mobil je vyrobený z plastu, kovu aj skla.
Látky môžu meniť skupenstvo, ale stále zostávaju tou istou látkou. Voda, ľad a vodná para sú všetko tá istá látka H₂O - len v rôznom skupenstve. Každá látka má svoje špeciálne vlastnosti ako farbu, vôňu, teplotu topenia, ktoré nám pomáhajú ju rozpoznať.
💡 Zapamätaj si: Látky sú ako LEGO kocky a telesá sú ako stavby, ktoré z nich postavíš.
Sign up to see the contentIt's free!
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Improve your grades
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Príklady na precvičenie
Poďme si vyskúšať, či už rozumieš rozdielu! Pozri sa na tieto príklady a rozmysli si odpoveď.
Vzduch = látka (je to "materiál", má hmotnosť a objem). Nafúknutý balón = teleso (konkrétny predmet z gumy naplnený vzduchom). Cukor = látka, ale kocka cukru = teleso.
Železo je látka, zatiaľ čo železný klinec je teleso vyrobené zo železa. Voda je látka, ale pohár s vodou je teleso zložené z dvoch látok - skla a vody.
Najčastejšia chyba je zamieňať si tieto pojmy. Vždy si spomeň na základné pravidlo: teleso môžeš chytiť do ruky, látka je materiál, z ktorého je niečo vyrobené.
💡 Pre test: Ak sa ťa pýtajú na látku, mysli na vlastnosti. Ak na teleso, mysli na tvar a funkciu.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Vlastnosti a skupenstvá látok
Každá látka má svoje jedinečné vlastnosti, ktoré ju odlišujú od ostatných. Patria sem farba, vôňa, chuť, skupenstvo (pevné, kvapalné, plynné), teplota topenia a varu.
Tieto vlastnosti sú super užitočné - pomáhajú nám rozoznať jednu látku od druhej. Voda je bezfarebná kvapalina, železo je sivý pevný kov. Keď látka zmení skupenstvo, jej vlastnosti sa čiastočne zmenia, ale stále je to tá istá látka.
Hmotnosť meriame v gramoch alebo kilogramoch - je to miera toho, koľko "veci" je v predmete. Objem meriame v litroch alebo kubických centimetroch - to je miesto, ktoré látka zaberá.
💡 Rýchle opakovanie: Látka = stavebný materiál, teleso = hotový produkt. Látka má vlastnosti, teleso má tvar a funkciu.
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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Students love us — and so will you.
4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user