Earth Day Quiz: Test Your Knowledge Of Planet Earth

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| By Lucidenglish
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Lucidenglish
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Quizzes Created: 5 | Total Attempts: 47,566
| Attempts: 34,729 | Questions: 15 | Updated: Mar 6, 2025
Quiz Flashcard Trivia
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1. Which is the fastest land animal?

Explanation

Cheetahs can run at the speed of 110 km/hours for a few seconds.

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About This Quiz
Earth Day Quiz: Test Your Knowledge Of Planet Earth - Quiz

What do you know about Earth Day? Test your knowledge of planet earth with the quiz given below. In honor of earth day, which is celebrated on April 22 every year, we will check how well you know about your planet earth. The earth is a unique planet, as it... see morecan support life growth compared to the other planets in the same solar system. Take the online trivia quiz and see how many answers you get correct and grab your certificate. see less

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2. Where is the Earth located in the Solar System?

Explanation

The order of the planets from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto (which is no longer considered to be a planet).

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3. Which is the largest ocean on our planet?

Explanation

It covers more than 32% of the globe, which is more than the total surface of land combined.

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4. What percentage of the Earth's surface is covered in water?

Explanation

Approximately 70% of the Earth's surface is covered in water. This includes the oceans, seas, lakes, rivers, and other bodies of water. This high percentage of water coverage is what gives our planet its blue appearance from space. It is important to note that while water covers a significant portion of the Earth, only a small percentage of it is freshwater that is suitable for drinking and sustaining life.

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5. What is the percentage of oxygen in the Earth's atmosphere?

Explanation

Dry air contains roughly 78% nitrogen, 21% oxygen, 0.93% argon, 0.038% carbon dioxide, and small amounts of other gases.

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6. Which is the largest island?

Explanation

The total area of Greenland is 2,166,086 km2 (836,109 sq miles).

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7. Which extinct bird lived on Mauritius?

Explanation

You can read more about the dodo, which became extinct in the 17th century.

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8. What do you call the variation of life forms within an ecosystem?  

Explanation

Biodiversity is the different variety of life forms within a given ecosystem, biome, or on the entire Earth.

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9. How old is the Earth?

Explanation

That is 4,500,000,000 years - quite a long time indeed.

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10. Do dolphins have teeth?

Explanation

Dolphins are intelligent and cute and even funny at times, but they are predators. They eat fish and squid. They need to have teeth.

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11. How old are the oldest trees?  

Explanation

These are the African Baobab trees.

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12. Which is the highest waterfall in the world?