Big Earth Quiz 2022: 22 Sizzling Climate & Nature Questions

Questions were added on Oct. 25, 2022.

Daily quiz for March 29, 2022, on Earth, the climate crisis, endangered animals, and nature: How many tree species are on Earth? Which company is the world’s biggest plastic polluter? What’s the world’s largest plant? And what is marine snow? Take the 2022 Earth Quiz!

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Earth Quiz 2022

Daily Quiz for March. 29, 2022: 22 general knowledge multiple-choice questions on Earth, Climate, and Nature from the past year. Click “start quiz.”

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1. How many countries met the World Health Organization’s air quality standards in 2021?

Photo: Vasily Iakovlev, CC BY 4.0, via Wikimedia Commons

2 / 22

2. How many tree species are on Earth?

Photo: Artur Warchavchik, CC BY-SA 3.0, via Wikimedia Commons

3 / 22

3. What’s Hunga Tonga-Hunga Ha’apai?

Photo: NZ Defence Force, Public domain, via Wikimedia Commons

4 / 22

4. How many times has the UK ever seen a Red Extreme Heat warning?

Screenshot: BBC News

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5. As of Oct. 2022, what’s the size of the Antarctic ozone hole?

Image: NASA Ozone Watch

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6. Which company is the world’s biggest plastic polluter?

Photo: Raceforwater, CC BY-SA 4.0, via Wikimedia Commons

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7. What’s marine snow?

Photo: NOAA National Ocean Service, Public domain, via Wikimedia Commons

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8. Why are wax worms – moth larvae – called this way?

Photo: Sam Droege, Public domain, via Wikimedia Commons

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9. Which natural phenomenon is nicknamed in New Zealand “aurora of the sea”?

Sander van der Wel, CC BY-SA 2.0, via Wikimedia Commons

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10. What makes Saxaul trees unique?

Photo: Abodi009, CC BY-SA 3.0, via Wikimedia Commons

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11. What’s the world’s largest plant?

Photo: Rachel Austin / The University of Western Australia

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12. How is the Naegleria fowleri amoeba deadly?

Photo: CDC/ Dr. Govinda S. Visvesvara, Public domain, via Wikimedia Commons

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14. What is the world’s largest penguin?

Photo: Denis Luyten, Public domain, via Wikimedia Commons

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15. How is the Bali myna different from other myna species?

Photo: Rolandandika, CC BY-SA 4.0, via Wikimedia Commons

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17. What’s the difference between a centipede and a millipede?

Aggyrolemnoixytes/Paul Marek, CC BY 4.0, via Wikimedia Commons

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18. What’s Jonah’s icefish?

Photo: A research team from the Alfred Wagner Institute.

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19. Which oceanic mammal doesn’t belong on this list?

Screenshot: Nat Geo Wild on YouTube

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20. What kind of spider is this?

Photo: 池田正樹 (talk)masaki ikeda, CC BY-SA 3.0, via Wikimedia Commons

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21. What’s Europe’s largest land animal?

Photo: © Michael Gäbler / Wikimedia Commons

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22. What is this?

Photo: USFWSmidwest, Public domain, via Wikimedia Commons

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Earth Quiz 2022

The 2022 Earth VIDEO QUIZ

22 climate and nature questions from 2022. 30 Seconds per answer. How many questions can you answer in under 11 minutes?

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Earth Quiz 2022 Trivia Questions

Here’s the complete list of our Earth quiz questions and multiple answers.

What’s the difference between a centipede and a millipede?

Aggyrolemnoixytes/Paul Marek, CC BY 4.0, via Wikimedia Commons
Centipedes have one pair of legs per body segment while millipedes have two pairs.
Centipedes are real while millipedes are mythical.
Centipedes have up to 100 legs while millipedes have up to 1,000.
Centipedes are ten times larger than millipedes.

What’s Hunga Tonga-Hunga Ha’apai?

Photo: NZ Defence Force, Public domain, via Wikimedia Commons
A volcanic island.
A private island resort.
A nuclear testing site.
A Greek folk-dance.

What's Jonah's icefish?

Photo: A research team from the Alfred Wagner Institute.
An Antarctic deep water fish.
An Antarctic whale.
An American fishery chain.
A type of refrigerator.

Which oceanic mammal doesn’t belong on this list?

Screenshot: Nat Geo Wild on YouTube
Orca (killer whale).
Blue whale.
Fin whale.
Gray whale.

How many tree species are on Earth?

Photo: Artur Warchavchik, CC BY-SA 3.0, via Wikimedia Commons
Roughly 730.
Roughly 7,300.
Roughly 73,300.
Roughly 733,000.

What makes Saxaul trees unique?

Photo: Abodi009, CC BY-SA 3.0, via Wikimedia Commons
They produce seeds only as they become drier.
They produce seeds only when it rains.
They produce seeds only once every 20 years.
They produce golden seeds.

What kind of spider is this?

Photo: 池田正樹 (talk)masaki ikeda, CC BY-SA 3.0, via Wikimedia Commons
Pumpkin spider.
Jorō spider.
Cane spider.
Golden garden spider.

How many countries met the World Health Organization’s air quality standards in 2021?

Photo: Vasily Iakovlev, CC BY 4.0, via Wikimedia Commons
21.
12.
None.
One.

What's marine snow?

Photo: NOAA National Ocean Service, Public domain, via Wikimedia Commons
It’s snow falling on the ocean.
It’s material falling to the deep ocean.
It’s a by-product of coral bleaching.
Ocean foam on the water surface.

Which natural phenomenon is nicknamed in New Zealand "aurora of the sea"?

Sander van der Wel, CC BY-SA 2.0, via Wikimedia Commons
The sun reflecting on the sea.
Manmade light pollution.
A local cruise ship.
Blooms of plankton that glow after nightfall.

What is the world's largest penguin?

Photo: Denis Luyten, Public domain, via Wikimedia Commons
The emperor penguin.
The king penguin.
The Galápagos penguin.
The royal penguin.

What's the world's largest plant?

Photo: Rachel Austin / The University of Western Australia
Poseidon’s ribbon weed.
The General Sherman tree.
Mediterranean tapeweed.
The Indian banyan.

How is the Bali myna different from other myna species?

Photo: Rolandandika, CC BY-SA 4.0, via Wikimedia Commons
It’s an invasive species.
It’s a talking bird.
It’s all-white.
It eats insects and fruit.

Which company is the world's biggest plastic polluter?

Photo: Raceforwater, CC BY-SA 4.0, via Wikimedia Commons
Unilever.
Coca-Cola.
PepsiCo.
Nestlé.

How many times has the UK ever seen a Red Extreme Heat warning?

Screenshot: BBC News
1.
2.
12.
21.

What's Europe's largest land animal?

Photo: © Michael Gäbler / Wikimedia Commons
The lynx.
European bison.
The wolverine.
The brown bear.

What is this?

Photo: USFWSmidwest, Public domain, via Wikimedia Commons
Small tortoiseshell.
Garden tiger moth.
Mexican butterfly.
The monarch butterfly.

How many US states share the Colorado River water?

Photo: SpaceEconomist192, CC BY-SA 4.0, via Wikimedia Commons
1.
2.
7.
15.

Which animal families have immortal members?

Photo: © Tony Wills / CC BY-SA 4.0 via iNaturalist.NZ
Corals and sea worms.
Hydra and jellyfish.
Marine sponges and crabs.
Sea cucumbers and dolphins.

How is the Naegleria fowleri amoeba deadly?

Photo: CDC/ Dr. Govinda S. Visvesvara, Public domain, via Wikimedia Commons
It causes severe diarrhea.
It “eats brains.”
It causes suffocation.
It causes heart failure.

Why are wax worms - moth larvae - called this way?

Photo: Sam Droege, Public domain, via Wikimedia Commons
They look like wax.
They produce wax.
They eat wax.
They’re made of wax.

As of Oct. 2022, what's the size of the Antarctic ozone hole?

Image: NASA Ozone Watch
About the size of Greenland.
Smaller the size of Manhattan.
Bigger than the size of North America.
It's long gone.

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