Teplota je všade okolo nás a ovplyvňuje náš každodenný život... Show more
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Updated Mar 21, 2026
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Teplota a jej cesta k meraniu
1 / 6
Čo je teplota a prečo ju meriame
Teplota je jednoducho to, ako veľmi je niečo horúce alebo studené. Bez nej by si nevedel rozhodnúť, či si obliecť teplý sveter alebo ľahké tričko!
Meranie teploty ti pomôže v každodennom živote. Napríklad zistíš, či máš horúčku, aké je počasie, alebo či je voda v bazéne príjemná na kúpanie. Bez presného merania by sme len hádali.
💡 Vedel si, že bez merania teploty by sme nevedeli ani variť? Voda vrie presne pri 100°C!
Dôležité pojmy, ktoré musíš vedieť
Teplomer je prístroj na meranie teploty. Stupeň Celzia (°C) je jednotka, ktorú používame na Slovensku aj vo väčšine sveta na meranie teploty.
Stupnica Celzia má dva super dôležité body: 0°C je teplota, pri ktorej voda mrzne, a 100°C je teplota, pri ktorej voda vrie. Toto si zapamätaj - často sa to pýta na testoch!
Ako funguje teplomer
Teplomer je vlastne sklenená trubička s farebnou kvapalinou vo vnútri. Keď sa kvapalina zohreje, rozťahuje sa a stúpa hore. Keď sa ochladí, sťahuje sa a klesá dole.
Vedľa trubičky je stupnica s číslami v stupňoch Celzia. Kde sa kvapalina zastaví, tam prečítaš teplotu. Je to ako meranie výšky, len namiesto centimetrov používaš stupne!
💡 Tip: Farebná kvapalina v teplomere je často líh, nie voda. Prečo? Lebo líh nemrzne tak ľahko ako voda!
Ako správne merať teplotu
Najprv si vyber správny teplomer - vonkajší na počasie, lekársky na teplotu tela. Vonkajší teplomer zavesíš tak, aby naň nesvietilo priamo slnko.
Potom počkaj pár minút, kým sa kvapalina ustáli. Nakoniec sa pozri kolmo na teplomer a prečítaj hodnotu tam, kde končí kvapalina. Nezabudni povedať jednotku - napríklad "dvadsať stupňov Celzia" alebo 20°C!
Príklady z každodenného života
V zime, keď teplomer ukazuje -5°C, vieš, že musíš obliecť teplú bundu a rukavice. Pri 30°C v lete zase môžeš ísť plávať! Meranie teploty ti takto pomáha rozhodovať sa každý deň.
Keď si chorý, mama ti zmeria teplotu tela. Normálna teplota je okolo 37°C. Ak máš 38,5°C, máš horúčku a musíš zostať doma. Pri 36,2°C si v poriadku!
💡 Zaujímavosť: Ľudské telo má takmer rovnakú teplotu ako teplá kúpeľ - asi 37°C!
Praktické tipy na zapamätanie
Vždy nezabudni na jednotku! Ak povieš len "dvadsať", nikto nevie, či myslíš 20°C alebo 20 jabĺk. Stupne Celzia sú pri teplote povinné.
Buď opatrný so sklenými teplomermi - ľahko sa rozbiť. Číta správne - pozeraj sa na teplomer rovno, nie zošikma. A pamätaj si: 0°C = voda mrzne, 100°C = voda vrie. Tieto čísla sú tvoja základná výbava!
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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
Teplota a jej cesta k meraniu
Teplota je všade okolo nás a ovplyvňuje náš každodenný život - od toho, ako sa obliekame, až po varenie jedla. Naučíme sa, ako funguje teplomer a prečo je meranie teploty tak dôležité pre nás všetkých.
Čo je teplota a prečo ju meriame
Teplota je jednoducho to, ako veľmi je niečo horúce alebo studené. Bez nej by si nevedel rozhodnúť, či si obliecť teplý sveter alebo ľahké tričko!
Meranie teploty ti pomôže v každodennom živote. Napríklad zistíš, či máš horúčku, aké je počasie, alebo či je voda v bazéne príjemná na kúpanie. Bez presného merania by sme len hádali.
💡 Vedel si, že bez merania teploty by sme nevedeli ani variť? Voda vrie presne pri 100°C!
Dôležité pojmy, ktoré musíš vedieť
Teplomer je prístroj na meranie teploty. Stupeň Celzia (°C) je jednotka, ktorú používame na Slovensku aj vo väčšine sveta na meranie teploty.
Stupnica Celzia má dva super dôležité body: 0°C je teplota, pri ktorej voda mrzne, a 100°C je teplota, pri ktorej voda vrie. Toto si zapamätaj - často sa to pýta na testoch!
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Ako funguje teplomer
Teplomer je vlastne sklenená trubička s farebnou kvapalinou vo vnútri. Keď sa kvapalina zohreje, rozťahuje sa a stúpa hore. Keď sa ochladí, sťahuje sa a klesá dole.
Vedľa trubičky je stupnica s číslami v stupňoch Celzia. Kde sa kvapalina zastaví, tam prečítaš teplotu. Je to ako meranie výšky, len namiesto centimetrov používaš stupne!
💡 Tip: Farebná kvapalina v teplomere je často líh, nie voda. Prečo? Lebo líh nemrzne tak ľahko ako voda!
Ako správne merať teplotu
Najprv si vyber správny teplomer - vonkajší na počasie, lekársky na teplotu tela. Vonkajší teplomer zavesíš tak, aby naň nesvietilo priamo slnko.
Potom počkaj pár minút, kým sa kvapalina ustáli. Nakoniec sa pozri kolmo na teplomer a prečítaj hodnotu tam, kde končí kvapalina. Nezabudni povedať jednotku - napríklad "dvadsať stupňov Celzia" alebo 20°C!
Sign up to see the contentIt's free!
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Improve your grades
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Príklady z každodenného života
V zime, keď teplomer ukazuje -5°C, vieš, že musíš obliecť teplú bundu a rukavice. Pri 30°C v lete zase môžeš ísť plávať! Meranie teploty ti takto pomáha rozhodovať sa každý deň.
Keď si chorý, mama ti zmeria teplotu tela. Normálna teplota je okolo 37°C. Ak máš 38,5°C, máš horúčku a musíš zostať doma. Pri 36,2°C si v poriadku!
💡 Zaujímavosť: Ľudské telo má takmer rovnakú teplotu ako teplá kúpeľ - asi 37°C!
Praktické tipy na zapamätanie
Vždy nezabudni na jednotku! Ak povieš len "dvadsať", nikto nevie, či myslíš 20°C alebo 20 jabĺk. Stupne Celzia sú pri teplote povinné.
Buď opatrný so sklenými teplomermi - ľahko sa rozbiť. Číta správne - pozeraj sa na teplomer rovno, nie zošikma. A pamätaj si: 0°C = voda mrzne, 100°C = voda vrie. Tieto čísla sú tvoja základná výbava!
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
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