The Ultimate Earth Day Quiz

Earth Day is an annual event to support environmental protection, but what do you know about the planet earth? Think Climate change, Global warming and environmental impacts for inspiration to ace our free Earth Day quiz. You’ll find 50 questions divided into 5 rounds, so gather round for some ECO quizzing.

Round 1

1 – On what date is Earth Day celebrated every year?

2 – Where does most of the world’s breathable oxygen come from?

3 – What does the acronym ‘UNESCO’ stand for?

4 – What are you encouraged to do on Arbor Day?

5 – Trees convert which gas into oxygen?

6 – Which US president planted a tree on the White House Lawn to celebrate the first ever Earth Day?

7 – What disaster led to Earth Day?

8 – What is the chemical composition of carbon dioxide?

9 – What is another name for climate change?

10 – What are the three ‘R’s’ of sustainable waste management?

Round 2

1 – In which year was earth day first celebrated?

2 – How much food that’s produced globally never makes it to the table – 1/4, 1/3 or 1/2?

3 – What is arable land?

4 – In which country was Earth Day first celebrated?

5 – Chlorofluorocarbon and Hydrofluorocarbon contributed to what?

6 – Who wrote the book ‘How to Avoid a Climate Disaster’?

7 – What type of gases have an influence on the earth’s energy balance?

8 – Which country has the highest recycling rate in the world?

9 – What two Vs does Biodiversity stand for?

10 – Which water sanitation and hygiene charity was launched in 1981?

Round 3

1 – Which peace activist proposed Earth Day?

2 – Agricultural emissions could be reduced by 70% if everyone adopted what type of diet?

3 – The Smog Free Project turns smog into what?

4  – What does the abbreviation ECO stand for?

5 – What is the ‘DEQ’?

6 – What are being cut down at the rate of 100 acres per minute?

7 – Which former actress/model has been arrested 5 times at climate protests?

8 – Almost 50% of the Great Pacific Garbage Patch is made up of what?

9 – Which country obtains nearly all of its electricity from renewable sources?

10 – What does the charity WWF stand for?

Round 4

1 – What name is given to Earth Day by the UN?

2 – What is the ‘CWA’?

3 – The Prince of Wales & designers Ving + Omi are designing clothing made out of what?

4 – Almost 40 million single-use what are used in the UK every day?

5 – Which country generates the largest amount of solar power?

6 – What metal is the Earth’s core made of?

7 – Crude oil, coal and gas are what?

8 – From space at night, which city is the brightest on Earth?

9 – About 70% of Earth is covered by what?

10 – In Fahrenheit, what was the hottest temperature ever recorded on Earth’s surface – 136, 156 or 176?

Round 5

1 – The oil spill that led to Earth Day being founded happened where?

2 – What country is Greta Thunberg from?

3 – Which ocean is the world’s deepest?

4 – The Mohs scale measures what?

5 – Earth’s magnetic field protects the planet from what?

6 – Most of Earth is made up of what metal?

7 – What fuel source was behind the Great Smog in London in 1952?

8 – What is the outermost layer of the Earth’s composition called?

9 – Which political party in the UK is committed to sustainability & environmentalism?

10 – What fossil fuel is found in liquid form?




If you liked this Earth Day quiz, have any quiz requests, spotted a mistake, or would like to let us know how you got on, please let us know in the comments below…

Claire Roach is a professional quizzer, gamer and developer who turned her passion for knowledge into a hub for FREE quizzes!


  1. The answer to Round 5 question 3 doesn’t show when you click the reveal button

Write A Comment

Pin It