How Much Do You Know About Our Planet?

About This Quiz

Placed in a small corner of the Milky Way galaxy, Earth is a spectacular place. From its glorious mountains to the deepest parts of the oceans, from the blazing hot deserts to the extreme cold of polar regions, it is full of unusual and astonishing places. And there is a lot more to discover! ...But wait - before you hit the road, why don't you see how well you know the Earth with this quiz?

Woods Hole Oceanographic Institution/ Larry Madin

Which ocean is the largest?

Arctic Ocean

Indian Ocean

Atlantic Ocean

Pacific Ocean

Wikipedia

What percentage of Earth is arable?

15%

22%

37%

71%

Wikipedia

What is the current geological epoch?

Paleozoic

Holocene

Cenozoic

Mesozoic

NASA

Which element makes up almost 80 percent of the Earth’s atmosphere?

Nitrogen

Oxygen

Hydrogen

Krypton

economictimes.indiatimes.com

What percent of the Earth's surface is covered by water?

12%

36%

49%

71%

greekmythology.com

Who was the Greek Goddess of the Earth?

Aphrodite

Athena

Gaea

Nike

Getty

Which is the largest continent?

Asia

Europe

Antarctica

North America

phys.org

What percent of the Earth's water is usable by humans?

About 0.3%

About 2%

About 6%

About 10%

NASA

How many continents are there?

Four

Five

Seven

Nine

iStock

Which is the world's deepest freshwater lake?

Lake Baikal

Great Slave Lake

Lake Victoria

Lake Tahoe

Wikipedia

Which is the longest mountain range on Earth?

Alps

Andes

Ocean Ridge

Rocky Mountains

University of Colorado/ NSIDC/ Ted Scambos

What is the lowest temperature ever recorded on planet Earth?

-128.6°F

-83°F

-62.9°F

-43°F

bbc.co.uk

What's the Earth's lowest land point?

The Dead Sea Depression

Danakil Depression

Lake Assal

Salton Trough

YouTube

How fast does the Earth rotate around its axis?

1000 mph

753 mph

431 mph

219 mph

thedailybanter.com

How long does it take for the Earth to rotate around the Sun?

153 days

264 days

333 days

365 days

Getty

What percentage of medicines used today come from Amazon rainforest plants?

About 1%

About 12%

About 25%

About 40%

YouTube

What is the circumference of Earth at the equator?

32,126 mi

24,901 mi

18,353 mi

10,967 mi

visitgreaterpalmsprings.com

What is the highest temperature ever recorded on planet Earth?

116°F

122.3 °F

134.1°F

158°F

tradeonlytoday.com

What is the largest active volcano on the planet?

Etna

Krakatoa

Mauna Loa

Mount St. Helens

controlequipment.com.au

More than half of the breathable oxygen on Earth comes from where?

Rivers

Clouds

Oceans

Forests

universetoday.com

Which two elements form Earth's core?

Iron and Nickel

Oxygen and Nitrogen

Platinum and Gold

Titanium and Copper

justwatch.com

How old is our planet?

4.54 billion years old

3.15 billion years old

2.5 billion years old

1.1 billion years old

123rf.com

In terms of area, which country is the largest?

China

The United States

Russia

India

britannica.com

Which is the highest mountain in the world?

Mount Everest

Mount Rushmore

Mount Kilimanjaro

Mount Fuji

whatsnewindonesia.com

When do we celebrate Earth Day?

February 14

April 22

May 11

June 11

theverge.com

What is the rarest element on Earth?

Nitrogen

Astatine

Calcium

Titanium

Alamy

Which is the driest desert in the World?

Namib Desert

Atacama Desert

Sahara Desert

Mojave Desert

Getty/ iStock

Which rainforest has the most biodiversity?

Amazon Rainforest

Congo Rainforest

Daintree Rainforest

Southeast Asian Rainforest

earth.com

What is the most abundant element on Earth?

Iron

Oxygen

Silicon

Hydrogen

Shutterstock/ Johan Swanepoel

How hot can the Earth’s core get?

10,800°F

6600°F

3856°F

1932°F

National Geographic

How many lightning bolts strike Earth's surface every second?

About 2

About 36

About 75

About 100

Arsgera/ iStock

Which is the longest river in the world?

Nile

Amazon

Mississippi

Shutterstock

Which is the largest hot desert in the world?

Sahara Desert

Australian Desert

Antarctica

Kalahari Desert

rmiguides.com/ Dave Hahn

Who climbed Mount Everest first?

Sir Edmund Hillary

Andrew Lock

Reinhold Messner

Carlos Carsolio

National Geographic

Which layer of the atmosphere absorbs solar radiation?

Troposphere

Ozone layer

Mesosphere

Ionosphere

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How Much Do You Know About Our Planet?

About This Quiz

Which ocean is the largest?

What percentage of Earth is arable?

What is the current geological epoch?

Which element makes up almost 80 percent of the Earth’s atmosphere?

What percent of the Earth's surface is covered by water?

Who was the Greek Goddess of the Earth?

Which is the largest continent?

What percent of the Earth's water is usable by humans?

How many continents are there?

Which is the world's deepest freshwater lake?

Which is the longest mountain range on Earth?

What is the lowest temperature ever recorded on planet Earth?

What's the Earth's lowest land point?

How fast does the Earth rotate around its axis?

How long does it take for the Earth to rotate around the Sun?

What percentage of medicines used today come from Amazon rainforest plants?

What is the circumference of Earth at the equator?

What is the highest temperature ever recorded on planet Earth?

What is the largest active volcano on the planet?

More than half of the breathable oxygen on Earth comes from where?

Which two elements form Earth's core?

How old is our planet?

In terms of area, which country is the largest?

Which is the highest mountain in the world?

When do we celebrate Earth Day?

What is the rarest element on Earth?

Which is the driest desert in the World?

Which rainforest has the most biodiversity?

What is the most abundant element on Earth?

How hot can the Earth’s core get?

How many lightning bolts strike Earth's surface every second?

Which is the longest river in the world?

Which is the largest hot desert in the world?

Who climbed Mount Everest first?

Which layer of the atmosphere absorbs solar radiation?

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