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?

National Geographic

Which layer of the atmosphere absorbs solar radiation?

Troposphere

Ozone layer

Mesosphere

Ionosphere

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

Getty

Which is the largest continent?

Asia

Europe

Antarctica

North America

bbc.co.uk

What's the Earth's lowest land point?

The Dead Sea Depression

Danakil Depression

Lake Assal

Salton Trough

controlequipment.com.au

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

Rivers

Clouds

Oceans

Forests

phys.org

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

About 0.3%

About 2%

About 6%

About 10%

thedailybanter.com

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

153 days

264 days

333 days

365 days

iStock

Which is the world's deepest freshwater lake?

Lake Baikal

Great Slave Lake

Lake Victoria

Lake Tahoe

Arsgera/ iStock

Which is the longest river in the world?

Nile

Amazon

Mississippi

Wikipedia

What percentage of Earth is arable?

15%

22%

37%

71%

123rf.com

In terms of area, which country is the largest?

China

The United States

Russia

India

Shutterstock/ Johan Swanepoel

How hot can the Earth’s core get?

10,800°F

6600°F

3856°F

1932°F

Woods Hole Oceanographic Institution/ Larry Madin

Which ocean is the largest?

Arctic Ocean

Indian Ocean

Atlantic Ocean

Pacific Ocean

britannica.com

Which is the highest mountain in the world?

Mount Everest

Mount Rushmore

Mount Kilimanjaro

Mount Fuji

Wikipedia

Which is the longest mountain range on Earth?

Alps

Andes

Ocean Ridge

Rocky Mountains

earth.com

What is the most abundant element on Earth?

Iron

Oxygen

Silicon

Hydrogen

theverge.com

What is the rarest element on Earth?

Nitrogen

Astatine

Calcium

Titanium

Getty

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

About 1%

About 12%

About 25%

About 40%

rmiguides.com/ Dave Hahn

Who climbed Mount Everest first?

Sir Edmund Hillary

Andrew Lock

Reinhold Messner

Carlos Carsolio

Wikipedia

What is the current geological epoch?

Paleozoic

Holocene

Cenozoic

Mesozoic

YouTube

What is the circumference of Earth at the equator?

32,126 mi

24,901 mi

18,353 mi

10,967 mi

Shutterstock

Which is the largest hot desert in the world?

Sahara Desert

Australian Desert

Antarctica

Kalahari Desert

universetoday.com

Which two elements form Earth's core?

Iron and Nickel

Oxygen and Nitrogen

Platinum and Gold

Titanium and Copper

Alamy

Which is the driest desert in the World?

Namib Desert

Atacama Desert

Sahara Desert

Mojave Desert

NASA

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

Nitrogen

Oxygen

Hydrogen

Krypton

tradeonlytoday.com

What is the largest active volcano on the planet?

Etna

Krakatoa

Mauna Loa

Mount St. Helens

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

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

whatsnewindonesia.com

When do we celebrate Earth Day?

February 14

April 22

May 11

June 11

Getty/ iStock

Which rainforest has the most biodiversity?

Amazon Rainforest

Congo Rainforest

Daintree Rainforest

Southeast Asian Rainforest

NASA

How many continents are there?

Four

Five

Seven

Nine

visitgreaterpalmsprings.com

What is the highest temperature ever recorded on planet Earth?

116°F

122.3 °F

134.1°F

158°F

YouTube

How fast does the Earth rotate around its axis?

1000 mph

753 mph

431 mph

219 mph

National Geographic

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

About 2

About 36

About 75

About 100

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How Much Do You Know About Our Planet?

About This Quiz

Which layer of the atmosphere absorbs solar radiation?

What is the lowest temperature ever recorded on planet Earth?

Which is the largest continent?

What's the Earth's lowest land point?

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

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

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

Which is the world's deepest freshwater lake?

Which is the longest river in the world?

What percentage of Earth is arable?

In terms of area, which country is the largest?

How hot can the Earth’s core get?

Which ocean is the largest?

Which is the highest mountain in the world?

Which is the longest mountain range on Earth?

What is the most abundant element on Earth?

What is the rarest element on Earth?

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

Who climbed Mount Everest first?

What is the current geological epoch?

What is the circumference of Earth at the equator?

Which is the largest hot desert in the world?

Which two elements form Earth's core?

Which is the driest desert in the World?

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

What is the largest active volcano on the planet?

How old is our planet?

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

Who was the Greek Goddess of the Earth?

When do we celebrate Earth Day?

Which rainforest has the most biodiversity?

How many continents are there?

What is the highest temperature ever recorded on planet Earth?

How fast does the Earth rotate around its axis?

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

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