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Quiz about Earth
Quiz about Earth

Earth! Trivia Quiz


Earth the planet on which we all live. Let's see how much you know about this planet. This quiz will ask you about the history, geography and science of the Earth. Enjoy.

A multiple-choice quiz by The_Rubiks. Estimated time: 2 mins.
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Author
The_Rubiks
Time
2 mins
Type
Multiple Choice
Quiz #
398,040
Updated
Dec 03 21
# Qns
10
Difficulty
Easy
Avg Score
9 / 10
Plays
812
Last 3 plays: JanIQ (10/10), camhammer (10/10), Guest 105 (8/10).
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Question 1 of 10
1. Our Earth appears to be mostly which colour if viewed from space? Hint


Question 2 of 10
2. Trees are very important for all living beings. They take in carbon dioxide and provide us with which gas? Hint


Question 3 of 10
3. Outside of Antarctica, what is the largest desert on Earth? Hint


Question 4 of 10
4. What is the name of the largest ocean on Earth? Hint


Question 5 of 10
5. What is the name of the deepest point in on Earth? Hint


Question 6 of 10
6. What is the imaginary line that divides the Earth into the northern and southern hemispheres? Hint


Question 7 of 10
7. The Earth's centre is known by what name? Hint


Question 8 of 10
8. About 50% of Earth's land area is arable (suitable for agriculture).


Question 9 of 10
9. About 3% of Earth's atmosphere is carbon dioxide.


Question 10 of 10
10. Approximately how old is the Earth? Hint





Most Recent Scores
Oct 28 2024 : JanIQ: 10/10
Oct 21 2024 : camhammer: 10/10
Oct 19 2024 : Guest 105: 8/10
Oct 08 2024 : Guest 67: 0/10
Oct 02 2024 : goated2024: 6/10
Sep 29 2024 : Guest 73: 9/10
Sep 12 2024 : Johnmcmanners: 10/10
Sep 09 2024 : bradncarol: 9/10
Sep 01 2024 : Guest 67: 1/10

Quiz Answer Key and Fun Facts
1. Our Earth appears to be mostly which colour if viewed from space?

Answer: Blue

Earth's surface is mostly covered with water. Around 70% of the Earth's surface is covered by oceans and seas. This is the reason why our planet is also known as the blue planet. The rest of the area is covered by land. The land area is basically the area of all the continents and several island groups.
2. Trees are very important for all living beings. They take in carbon dioxide and provide us with which gas?

Answer: Oxygen

The leaves of trees have chlorophyll in them. They use water, sunlight, chlorophyll and carbon dioxide to create their food and release oxygen as a byproduct. This oxygen is then used by many living organisms for respiration. In this process they release carbon dioxide which again is taken in by trees.

This cycle keeps on going and helps in maintaining the balance between carbon dioxide and oxygen.
3. Outside of Antarctica, what is the largest desert on Earth?

Answer: Sahara Desert

The Sahara Desert covers a major part of northern Africa. It is the largest desert on Earth. It covers an area of about 9.1 million square kilometres.
4. What is the name of the largest ocean on Earth?

Answer: Pacific Ocean

The Pacific Ocean is the largest among all of Earth's oceans. It extends from north to south and is bounded by Asia and Australia in the east and America in the west.
5. What is the name of the deepest point in on Earth?

Answer: Mariana Trench

The Mariana Trench is the deepest point on Earth, located in the Pacific Ocean. The depth of this trench is about 11 km. It is extremely difficult to reach the bottom of the trench as the water pressure from above is enormous, but still humans have managed to go there.
6. What is the imaginary line that divides the Earth into the northern and southern hemispheres?

Answer: Equator

The equator is the imaginary line that divides the Earth into northern and southern hemispheres. The length of this line is about 40000 kilometres. Countries located on or around the Equator are usually hot all year round.
7. The Earth's centre is known by what name?

Answer: Core

The centre of the Earth is known as the core. The core of the Earth is very hot and mainly consists of molten metals such as nickel and iron. The layer just above the core is called the mantle. And the outer most layer is called the crust. Lava (molten rock) inside the Earth is called magma.
8. About 50% of Earth's land area is arable (suitable for agriculture).

Answer: False

Out of 57 million square kilometres of available land area, around 12 million square kilometre of land is arable, which is about just above 20%. This arable area is decreasing every year.
9. About 3% of Earth's atmosphere is carbon dioxide.

Answer: False

Our atmosphere consists of 78% nitrogen and 21% oxygen. Among the rest, 0.03% is carbon dioxide. Carbon dioxide is a greenhouse gas which helps the Earth to keep itself warm when there is no sunlight.
10. Approximately how old is the Earth?

Answer: 4 billion years

By using various kinds of radioactive dating, geologists have estimated the age of our Earth as around 4 billion years. The age of the moon is also very similar to that of Earth.
Source: Author The_Rubiks

This quiz was reviewed by FunTrivia editor NatalieW before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.
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