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5 Dec 2025

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Comprehensive Notes on National and Global Energy Resources

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Reuben Cowell

@reubencowell

Energy resources power everything from your phone to entire cities,... Show more

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National and Global Energy Resources
Physics MOC
Energy Resources and Their Uses
Types of Energy Resources
There are many energy resources a

Understanding Energy Resources

Energy resources fall into two main categories that you'll need to know inside out. Renewable resources never run out because they naturally replenish themselves, whilst non-renewable resources have limited supplies that will eventually be exhausted.

Renewable sources like solar, wind, and water power are environmentally friendly champions, but they come with a catch. They're often unreliable (what happens when it's not sunny or windy?) and typically produce less energy than their non-renewable counterparts.

Solar energy is free once you've installed the panels, but only works well on sunny days. Wind turbines need lots of space and constant wind to be effective. Wave power and hydroelectricity harness water's movement, though hydro dams can seriously impact local ecosystems.

Quick Tip: Remember that renewable doesn't always mean perfect - even biofuels and geothermal energy have limitations like cost and location requirements.

National and Global Energy Resources
Physics MOC
Energy Resources and Their Uses
Types of Energy Resources
There are many energy resources a

Non-Renewable Resources and Environmental Impact

Non-renewable energy sources are the reliable workhorses of our energy system, but they're also environmental troublemakers. Fossil fuels (coal, oil, and natural gas) plus nuclear fuel make up this category.

These energy sources are brilliant at meeting demand quickly and consistently. When you flick a light switch, there's a good chance non-renewable energy is powering that bulb because these sources can ramp up production instantly.

However, the environmental cost is steep. Burning fossil fuels pumps carbon dioxide into the atmosphere, contributing to climate change. Some also release sulfur dioxide, which causes acid rain that damages buildings and ecosystems.

Nuclear power presents its own challenges - whilst it doesn't produce greenhouse gases during operation, the radioactive waste lasts for thousands of years and there's always the risk of catastrophic accidents.

Remember: Non-renewables are like eating junk food - they give you quick energy but cause long-term problems!

National and Global Energy Resources
Physics MOC
Energy Resources and Their Uses
Types of Energy Resources
There are many energy resources a

Practical Applications: Transport and Heating

Energy resources aren't just theoretical concepts - they power the transport and heating systems you use daily. Understanding these applications helps you see why energy choices matter.

Transport relies heavily on non-renewable fuels. Most cars run on petrol or diesel, whilst older trains might use coal. However, electric cars are becoming more popular, especially when charged using renewable electricity sources like solar or wind power.

Heating your home typically involves natural gas in the UK, which is a fossil fuel. Coal fireplaces and electric heaters powered by non-renewable sources are also common options.

The renewable alternatives are growing more practical. Ground source heat pumps use geothermal energy to heat homes efficiently, whilst solar water heaters can provide hot water year-round. Some people use renewable electricity or biofuels to power their heating systems.

Think About It: Every time you turn up the heating or get in a car, you're making an energy choice that affects the environment.



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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

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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 THE SCHOOLGPT. 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 THE SCHOOLGPT. 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

 

Physics

245

5 Dec 2025

3 pages

Comprehensive Notes on National and Global Energy Resources

user profile picture

Reuben Cowell

@reubencowell

Energy resources power everything from your phone to entire cities, but not all energy sources are created equal. Understanding the difference between renewable and non-renewable resources is crucial for making sense of today's environmental debates and energy policies.

National and Global Energy Resources
Physics MOC
Energy Resources and Their Uses
Types of Energy Resources
There are many energy resources a

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Understanding Energy Resources

Energy resources fall into two main categories that you'll need to know inside out. Renewable resources never run out because they naturally replenish themselves, whilst non-renewable resources have limited supplies that will eventually be exhausted.

Renewable sources like solar, wind, and water power are environmentally friendly champions, but they come with a catch. They're often unreliable (what happens when it's not sunny or windy?) and typically produce less energy than their non-renewable counterparts.

Solar energy is free once you've installed the panels, but only works well on sunny days. Wind turbines need lots of space and constant wind to be effective. Wave power and hydroelectricity harness water's movement, though hydro dams can seriously impact local ecosystems.

Quick Tip: Remember that renewable doesn't always mean perfect - even biofuels and geothermal energy have limitations like cost and location requirements.

National and Global Energy Resources
Physics MOC
Energy Resources and Their Uses
Types of Energy Resources
There are many energy resources a

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Non-Renewable Resources and Environmental Impact

Non-renewable energy sources are the reliable workhorses of our energy system, but they're also environmental troublemakers. Fossil fuels (coal, oil, and natural gas) plus nuclear fuel make up this category.

These energy sources are brilliant at meeting demand quickly and consistently. When you flick a light switch, there's a good chance non-renewable energy is powering that bulb because these sources can ramp up production instantly.

However, the environmental cost is steep. Burning fossil fuels pumps carbon dioxide into the atmosphere, contributing to climate change. Some also release sulfur dioxide, which causes acid rain that damages buildings and ecosystems.

Nuclear power presents its own challenges - whilst it doesn't produce greenhouse gases during operation, the radioactive waste lasts for thousands of years and there's always the risk of catastrophic accidents.

Remember: Non-renewables are like eating junk food - they give you quick energy but cause long-term problems!

National and Global Energy Resources
Physics MOC
Energy Resources and Their Uses
Types of Energy Resources
There are many energy resources a

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

Practical Applications: Transport and Heating

Energy resources aren't just theoretical concepts - they power the transport and heating systems you use daily. Understanding these applications helps you see why energy choices matter.

Transport relies heavily on non-renewable fuels. Most cars run on petrol or diesel, whilst older trains might use coal. However, electric cars are becoming more popular, especially when charged using renewable electricity sources like solar or wind power.

Heating your home typically involves natural gas in the UK, which is a fossil fuel. Coal fireplaces and electric heaters powered by non-renewable sources are also common options.

The renewable alternatives are growing more practical. Ground source heat pumps use geothermal energy to heat homes efficiently, whilst solar water heaters can provide hot water year-round. Some people use renewable electricity or biofuels to power their heating systems.

Think About It: Every time you turn up the heating or get in a car, you're making an energy choice that affects the environment.

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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Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

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 THE SCHOOLGPT. 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 THE SCHOOLGPT. 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