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Bing Nature Quiz: 15 Questions on Forests, Oceans and Natural Wonders
Waterfalls, glaciers, rainforests, coral reefs and the northern lights are everyday subjects on the Bing homepage. This nature quiz has 15 questions on ecosystems, weather and the natural wonders of the world, each with a short explanation.
It focuses on landscapes and natural processes. For questions about animals, play the Animals Quiz.
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Pick A, B or C for each question. The right answer turns green and a short fact explains it.
All 15 questions and answers
Every question with its answer and explanation. Open “Show answer” after you guess.
1 What causes the northern lights (aurora borealis)?
- A Charged particles from the Sun hitting the atmosphere
- B Moonlight on ice
- C Volcanic gases
Show answer
✓ Answer: A. Charged particles from the Sun hitting the atmosphere
Did you know? Particles in the solar wind excite oxygen and nitrogen high in the atmosphere, which then glow.
2 Which is the largest tropical rainforest in the world?
- A The Amazon
- B The Congo rainforest
- C The Daintree
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✓ Answer: A. The Amazon
Did you know? The Amazon covers about 5.5 million square kilometers, mostly in Brazil.
3 What is the tallest waterfall in the world?
- A Niagara Falls
- B Angel Falls
- C Victoria Falls
Show answer
✓ Answer: B. Angel Falls
Did you know? Angel Falls in Venezuela drops 979 m. Victoria Falls is famous for its width instead.
4 What is molten rock called once it reaches the Earth's surface?
- A Lava
- B Basalt
- C Magma
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✓ Answer: A. Lava
Did you know? It is called magma while it is underground and lava once it erupts.
5 Which layer of the atmosphere contains most of the ozone layer?
- A Troposphere
- B Mesosphere
- C Stratosphere
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✓ Answer: C. Stratosphere
Did you know? The ozone layer in the stratosphere absorbs most of the Sun's harmful UV-B radiation.
6 What is the name for a large, slow-moving mass of ice on land?
- A A floe
- B An iceberg
- C A glacier
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✓ Answer: C. A glacier
Did you know? Icebergs are pieces of glaciers or ice shelves that have broken off into the sea.
7 The tallest living tree, Hyperion, is what kind of tree?
- A Coast redwood
- B Douglas fir
- C Giant sequoia
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✓ Answer: A. Coast redwood
Did you know? Hyperion is about 116 m tall and stands in Redwood National Park, California.
8 What kind of natural feature is the Grand Canyon?
- A A dried-up lake
- B A gorge carved by a river
- C A crater left by a meteor
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✓ Answer: B. A gorge carved by a river
Did you know? The Colorado River carved the Grand Canyon over millions of years.
9 Which ocean is the largest?
- A Pacific
- B Atlantic
- C Indian
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✓ Answer: A. Pacific
Did you know? The Pacific covers about a third of the Earth's surface.
10 What is a geyser?
- A A hot spring that erupts water and steam
- B A type of volcano
- C An underground river
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✓ Answer: A. A hot spring that erupts water and steam
Did you know? Old Faithful in Yellowstone is the world's most famous geyser.
11 Which instrument measures air pressure?
- A Barometer
- B Thermometer
- C Anemometer
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✓ Answer: A. Barometer
Did you know? Falling air pressure often means bad weather is on the way. An anemometer measures wind speed.
12 Coral reefs are built mainly by which organisms?
- A Seaweeds
- B Sponges
- C Tiny animals called coral polyps
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✓ Answer: C. Tiny animals called coral polyps
Did you know? Polyps build limestone skeletons. Algae living inside them supply food and color.
13 What is the Everglades in Florida?
- A A vast wetland
- B A mountain range
- C A desert
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✓ Answer: A. A vast wetland
Did you know? Its slow-moving sheet of water is nicknamed the 'River of Grass'.
14 What is the name for a tropical cyclone in the Atlantic and eastern Pacific?
- A A hurricane
- B A monsoon
- C A typhoon
Show answer
✓ Answer: A. A hurricane
Did you know? The same kind of storm is called a typhoon in the western Pacific and a cyclone in the Indian Ocean.
15 Where is the Great Barrier Reef?
- A Off Brazil
- B In the Red Sea
- C Off northeastern Australia
Show answer
✓ Answer: C. Off northeastern Australia
Did you know? It stretches along the coast of Queensland and can be seen from space.
Natural wonders on the Bing homepage
Many of the most memorable Bing homepage photos show natural features: Angel Falls, the Great Barrier Reef, the Amazon rainforest, Icelandic glaciers or the aurora over Norway. The quiz questions usually ask where the feature is, how it formed or what makes it record-breaking.
Quick answers to the record questions are on our pages about the highest waterfall, the tallest tree and the largest ocean.

Nature Quiz FAQ
Is this the official Bing Nature Quiz?
No. BingQuiz.net is independent and not affiliated with Microsoft. This is a free practice quiz on nature and natural wonders, written by us. For the official daily quiz with Microsoft Rewards points, see today's Bing Homepage Quiz answers.
Do I need an account to play?
No. Every quiz on BingQuiz.net is free and works without signing up.