Subjects
Maths
Chemistry
Biology
English Language
History
Responding to change (a2 only)
Infection and response
Homeostasis and response
Energy transfers (a2 only)
Cell biology
Organisms respond to changes in their internal and external environments (a-level only)
Biological molecules
Organisation
Substance exchange
Bioenergetics
Genetic information & variation
Inheritance, variation and evolution
Genetics & ecosystems (a2 only)
Ecology
Cells
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Britain & the wider world: 1745 -1901
1l the quest for political stability: germany, 1871-1991
The cold war
Inter-war germany
Medieval period: 1066 -1509
2d religious conflict and the church in england, c1529-c1570
2o democracy and nazism: germany, 1918-1945
1f industrialisation and the people: britain, c1783-1885
1c the tudors: england, 1485-1603
2m wars and welfare: britain in transition, 1906-1957
World war two & the holocaust
2n revolution and dictatorship: russia, 1917-1953
2s the making of modern britain, 1951-2007
World war one
Britain: 1509 -1745
Show all topics
799
•
9 Dec 2025
•
Harleen More
@harleenmore_.x
Natural disasters can devastate communities, but their impact varies dramatically... Show more
When a magnitude 9 earthquake struck northeast Japan on 11th March 2011, it showed how even wealthy countries can face massive destruction. The primary impacts were staggering - 127,000 buildings collapsed and 1.2 million were severely damaged, costing an estimated $300 billion.
Liquefaction turned waterlogged soil into liquid, causing buildings to tilt and sink dramatically. Over 2,000 roads and 26 railways were damaged, crippling transport networks across the region.
The secondary impacts proved even deadlier. The earthquake triggered a devastating tsunami that killed over 17,000 people and left 230,000 homeless. Most critically, the tsunami cut power to the Fukushima nuclear plant, causing a dangerous meltdown.
Key Point: Japan's excellent planning saved countless lives - their early warning systems helped people evacuate, and automatic braking systems meant nobody died on the bullet train network.
The magnitude 7 earthquake that hit Haiti on 12th January 2010 demonstrates how developing countries suffer disproportionately from natural disasters. The primary impacts were catastrophic - 316,000 people died, 250,000 houses and 30,000 business buildings collapsed.
Shanty towns crumbled instantly, and rubble blocked vital roads and rail links. The secondary impacts created a humanitarian crisis that lasted years - over 600,000 people fled Port-au-Prince as cholera spread through dirty water supplies.
Many survivors were forced into squalid camps with no electricity and limited water. Factories and tourism closed, causing massive economic losses that Haiti struggled to recover from for years.
Key Point: International response included $330 million from the EU, but 98% of debris remained uncleared after 6 months, showing how developing countries need more sustained support.
Hurricane Katrina exposed serious weaknesses in disaster preparedness, even in a developed country like the USA. When the category 3 hurricane hit on 29th August 2005, forecasting systems worked well - the National Hurricane Centre in Florida tracked the storm and issued warnings 26th August.
The social and economic impacts were devastating. Over 1,800 people died, 300,000 houses were destroyed, and 230,000 jobs were lost. More than 80% of New Orleans was underwater when flood defences failed catastrophically.
However, evacuation efforts saved many lives - 70-80% of New Orleans residents left before the hurricane hit. The Salvation Army served 5.6 million meals, and India donated $5 million to Red Cross relief efforts.
Environmental damage was severe too - sea turtle breeding beaches were destroyed, and oil refineries were damaged, causing massive oil spills along the coast.
Key Point: Good forecasting and evacuation reduced deaths significantly, but poor flood defences and inadequate preparation for the most vulnerable communities caused unnecessary suffering.
Cyclone Nargis highlighted the deadly consequences of poor disaster preparedness in developing countries. When the category 4 cyclone hit Myanmar's Irrawaddy delta on 2nd May 2008, the country was woefully unprepared.
Forecasting failures proved fatal - Myanmar had no dedicated monitoring centre and no radar network to predict storm surges. Although Indian weather agencies warned Myanmar's government 48 hours before impact, these warnings didn't reach rural communities without proper communication systems.
The impacts were catastrophic. Over 140,000 people died, and 14,000 km² of land flooded. Natural defences had been weakened - mangrove forests that normally protect the coast had been chopped down in the previous decade.
Environmental and social damage was extensive. 65% of rice paddies were damaged, destroying livelihoods, while 138,000 hectares of mangrove forests were lost. Many survivors suffered from diseases caused by contaminated water and poor sanitary conditions.
Key Point: The lack of emergency preparation plans and early warning systems meant people didn't know what to do or where to evacuate, making this disaster far deadlier than it needed to be.
India's transformation into a global economic power shows how globalisation can rapidly change a country's fortunes. Several factors drive this growth - 12% of India's population speaks English due to its colonial legacy, and government policies since 1990 have encouraged international business links.
Economic progress is impressive. Trade increased from 794 billion in 2012, while life expectancy rose from 50 years in 1970 to 68 in 2024. Free education for 6-14 year olds has boosted literacy rates significantly.
However, environmental costs are severe. Air pollution reduces life expectancy by 3.2 years, and over 1 million people die annually from pollution. Deforestation and desertification affect 25% of India's land, threatening food security.
Social challenges persist despite growth. 700 million people live on less than $1.12 daily, and 40% of children are malnourished. Only 27% of working-age women have jobs, possibly due to traditional caste system attitudes.
Key Point: As part of BRICS nations, India now sends aid to countries like Bhutan and Nepal, showing its transformation from aid receiver to aid provider.
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.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Explore the critical concepts of natural hazards in this comprehensive PowerPoint presentation. Covering key topics such as climate change, earthquakes, volcanic activity, and tropical storms, this resource includes detailed case studies on the Somerset Levels, Typhoon Haiyan, and the Haiti earthquake. Ideal for GCSE Geography students seeking to understand the dynamics of hazardous earth processes and their impacts.
GeographyQuotes from every main character
English LiteratureApp Store
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
Harleen More
@harleenmore_.x
Natural disasters can devastate communities, but their impact varies dramatically between developed and developing nations. Meanwhile, countries like India are rapidly transforming through globalisation, creating both opportunities and challenges in megacities like Mumbai.
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Improve your grades
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When a magnitude 9 earthquake struck northeast Japan on 11th March 2011, it showed how even wealthy countries can face massive destruction. The primary impacts were staggering - 127,000 buildings collapsed and 1.2 million were severely damaged, costing an estimated $300 billion.
Liquefaction turned waterlogged soil into liquid, causing buildings to tilt and sink dramatically. Over 2,000 roads and 26 railways were damaged, crippling transport networks across the region.
The secondary impacts proved even deadlier. The earthquake triggered a devastating tsunami that killed over 17,000 people and left 230,000 homeless. Most critically, the tsunami cut power to the Fukushima nuclear plant, causing a dangerous meltdown.
Key Point: Japan's excellent planning saved countless lives - their early warning systems helped people evacuate, and automatic braking systems meant nobody died on the bullet train network.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
The magnitude 7 earthquake that hit Haiti on 12th January 2010 demonstrates how developing countries suffer disproportionately from natural disasters. The primary impacts were catastrophic - 316,000 people died, 250,000 houses and 30,000 business buildings collapsed.
Shanty towns crumbled instantly, and rubble blocked vital roads and rail links. The secondary impacts created a humanitarian crisis that lasted years - over 600,000 people fled Port-au-Prince as cholera spread through dirty water supplies.
Many survivors were forced into squalid camps with no electricity and limited water. Factories and tourism closed, causing massive economic losses that Haiti struggled to recover from for years.
Key Point: International response included $330 million from the EU, but 98% of debris remained uncleared after 6 months, showing how developing countries need more sustained support.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Hurricane Katrina exposed serious weaknesses in disaster preparedness, even in a developed country like the USA. When the category 3 hurricane hit on 29th August 2005, forecasting systems worked well - the National Hurricane Centre in Florida tracked the storm and issued warnings 26th August.
The social and economic impacts were devastating. Over 1,800 people died, 300,000 houses were destroyed, and 230,000 jobs were lost. More than 80% of New Orleans was underwater when flood defences failed catastrophically.
However, evacuation efforts saved many lives - 70-80% of New Orleans residents left before the hurricane hit. The Salvation Army served 5.6 million meals, and India donated $5 million to Red Cross relief efforts.
Environmental damage was severe too - sea turtle breeding beaches were destroyed, and oil refineries were damaged, causing massive oil spills along the coast.
Key Point: Good forecasting and evacuation reduced deaths significantly, but poor flood defences and inadequate preparation for the most vulnerable communities caused unnecessary suffering.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
Cyclone Nargis highlighted the deadly consequences of poor disaster preparedness in developing countries. When the category 4 cyclone hit Myanmar's Irrawaddy delta on 2nd May 2008, the country was woefully unprepared.
Forecasting failures proved fatal - Myanmar had no dedicated monitoring centre and no radar network to predict storm surges. Although Indian weather agencies warned Myanmar's government 48 hours before impact, these warnings didn't reach rural communities without proper communication systems.
The impacts were catastrophic. Over 140,000 people died, and 14,000 km² of land flooded. Natural defences had been weakened - mangrove forests that normally protect the coast had been chopped down in the previous decade.
Environmental and social damage was extensive. 65% of rice paddies were damaged, destroying livelihoods, while 138,000 hectares of mangrove forests were lost. Many survivors suffered from diseases caused by contaminated water and poor sanitary conditions.
Key Point: The lack of emergency preparation plans and early warning systems meant people didn't know what to do or where to evacuate, making this disaster far deadlier than it needed to be.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
India's transformation into a global economic power shows how globalisation can rapidly change a country's fortunes. Several factors drive this growth - 12% of India's population speaks English due to its colonial legacy, and government policies since 1990 have encouraged international business links.
Economic progress is impressive. Trade increased from 794 billion in 2012, while life expectancy rose from 50 years in 1970 to 68 in 2024. Free education for 6-14 year olds has boosted literacy rates significantly.
However, environmental costs are severe. Air pollution reduces life expectancy by 3.2 years, and over 1 million people die annually from pollution. Deforestation and desertification affect 25% of India's land, threatening food security.
Social challenges persist despite growth. 700 million people live on less than $1.12 daily, and 40% of children are malnourished. Only 27% of working-age women have jobs, possibly due to traditional caste system attitudes.
Key Point: As part of BRICS nations, India now sends aid to countries like Bhutan and Nepal, showing its transformation from aid receiver to aid provider.
Access to all documents
Improve your grades
Join milions of students
By signing up you accept Terms of Service and Privacy Policy
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.
You can download the app from Google Play Store and Apple App Store.
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
9
Smart Tools NEW
Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines
Explore the critical concepts of natural hazards in this comprehensive PowerPoint presentation. Covering key topics such as climate change, earthquakes, volcanic activity, and tropical storms, this resource includes detailed case studies on the Somerset Levels, Typhoon Haiyan, and the Haiti earthquake. Ideal for GCSE Geography students seeking to understand the dynamics of hazardous earth processes and their impacts.
GeographyQuotes from every main character
English LiteratureApp Store
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
Sociology