85 Interesting Earth Day Trivia for Kids and Adults
Earth Day is a wonderful reminder that even small actions can make a big difference for our planet.
This post has 81 interesting Earth Days trivia. You can use these questions in the classroom, or during a fun family game night.
It’s a great way to learn and celebrate together our lovely blue planet.
Earth Day Trivia Questions

Who is the founder of Earth Day?
SEE THE ANSWER
Senator Gaylord Nelson founded the Earth Day in 1970 to raise awareness and encourage action to protect the environment
What is the most common Earth Day activity?
SEE THE ANSWER
Planting trees
How many degrees has the Earth warmed up in the past 100 years?
SEE THE ANSWER
About 1.1°C (around 2°F). This is Earth’s average temperature which was around 14°C (57°F) 100 years ago and has now increased to 15°C (59°F). This ~1°C increase is enough to drive climate change effects like melting ice, rising seas, and extreme weather.
How much further is the Earth projected to warm up?
SEE THE ANSWER
Around 2–3°C more by 2100 if current trends continue.
What are the four main layers of the earth?
SEE THE ANSWER
The inner core, the outer core, mantle and crust
What is the “Earth’s Axis”?
SEE THE ANSWER
An imaginary line that runs through the center of the Earth from North to the South Pole. Earth rotates around this line once every 24 hours which gives us our cycle of day and night.
How old is Planet Earth estimated to be?
SEE THE ANSWER
4.5 billion years.
What sustains life on Earth?
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Sunlight, water, and a protective atmosphere
What is the primary force that causes ocean tides?
SEE THE ANSWER
The Moon’s gravitational pull. It pulls on the Earth’s water, causing it to bulge outward. The Earth rotates through these bulges, creating high and low tides.
What is the most abundant gas in Earth’s atmosphere?
SEE THE ANSWER
Nitrogen
In which layer of the Earth’s atmosphere is the ozone layer found?
SEE THE ANSWER
The stratosphere
Roughly how much of the earth’s surface is covered by clouds at any given time?
SEE THE ANSWER
About 1 million pounds (or 500 tons).
What is the “Solstice and Equinox“?
SEE THE ANSWER
Solstice is when sun is at its highest or lowest point in the sky, resulting in the longest or shortest day of the year. Summer solstice June 21 and winter solstice December 21. While The equinox is when day and night are nearly equal in length everywhere on Earth. Spring/vernal equinox March 20 and Autumnal equinox September 22.
What is the equator?
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An imaginary line around the middle of the Earth that divides it into two equal halves the Northern and Southern Hemispheres.
Difference between Northern Hemisphere and Southern Hemisphere?
SEE THE ANSWER
Northern Hemisphere has more land, while the Southern Hemisphere has more oceans. One of the main differences is in the weather, when it is summer in the Northern Hemisphere, it is winter in the Southern Hemisphere, and v
Which two countries are separated by only 2.4 miles but have a 21-hour time difference?
SEE THE ANSWER
Russia and the USA (The Diomede Islands). The International Date Line runs right between Big Diomede (Russia) and Little Diomede (USA).
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Earth quiz True or False

17 trees are saved by recycling one ton of paper
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True
A single fluffy white cloud weigh about 1 million pounds (or 500 tons).
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True
Plastics are the most common littered item
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False, Cigarette butts
20% of Earth’s water is actually drinkable (freshwater)
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False only 1-3%
On average to produce one cotton t-shirt you’d require 650+ gallons of water
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True
Coral reefs make up 50% of the ocean floor
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False only 1%
The driest place on earth is located in USA
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False, answer is The Atacama Desert in Chile.
Panama is the only place on Earth where you can see the sun rise on the Pacific and set on the Atlantic
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True
Livestock farming is responsible for 14.5% of global greenhouse gas emissions?
SEE THE ANSWER
True
There are just 2 species of bees
SEE THE ANSWER
False. There are 25,000 individual recorded species
Related Post on kids Game and Trivia
Earth Day Quiz Answers on Ecology

What percent of rainforests have been cut down in the last 100 years?
SEE THE ANSWER
Over the course of the last century, 15 to 20% of the world’s rainforest have been cut down.
What are the “lungs of the Earth”?
SEE THE ANSWER
The Amazon Rainforest (it produces 20% of the world’s oxygen).
How much of the Earth’s surface do rainforests cover?
SEE THE ANSWER
6%
Which type of tree is the oldest in the world?
SEE THE ANSWER
The Bristlecone Pine (some are over 5,000 years old!).
Which ocean is the largest on Earth?
SEE THE ANSWER
The Pacific Ocean.
What are coral reefs?
SEE THE ANSWER
Large underwater structures made by tiny animals called corals. Coral reefs host 25% of the world’s marine life.
What threats do coral reefs face today?
SEE THE ANSWER
Climate change, ocean pollution, overfishing, and coral bleaching, when corals lose their color due to rising ocean temperatures and it harms marine life.
One tree provides a day’s supply of oxygen for how many people?
SEE THE ANSWER
4 persons
How much oxygen does one tree produce each year?
SEE THE ANSWER
Around 260 pounds
What’s the largest active volcano on the planet?
SEE THE ANSWER
Mauna Loa, in Hawaii
What percentage of the Earth’s surface is covered in water?
SEE THE ANSWER
71%
What is the largest living structure on Earth?
SEE THE ANSWER
The Great Barrier Reef off the coast of Australia.
What is the tallest mountain on Earth?
SEE THE ANSWER
Mount Everest, at 29,035 feet tall
What is the largest hot desert in the world?
SEE THE ANSWER
The Sahara Desert
How deep is the Grand Canyon?
SEE THE ANSWER
6,000 feet deep
What is the largest cold desert in the world?
SEE THE ANSWER
Antarctica
Earth Day Trivia Multiple Choice Questions

What does the ozone layer do?
A.) Produces oxygen B.) Blocks harmful UV rays C.) Controls ocean temperature
SEE THE ANSWER
B
How fast does the Earth orbit the sun?
A.) 620 miles per hour B.) 67,000 miles per hour C.) 6213 miles per hour
SEE THE ANSWER
B.
How old is Planet Earth estimated to be?
A.) 2.5 billion years B.) 10 billion years C.) 4.5 billion years
SEE THE ANSWER
C.
When is World Environment Day celebrated?
A.) April 22 B.) June 5 C.) March 21
SEE THE ANSWER
B
What are Rainforests?
A.) Dry regions with little rainfall B.) Forests with heavy rainfall and rich biodiversity C.) Cold regions covered in snow.
SEE THE ANSWER
B
Where is the deepest part of the ocean located?
A.) Atlantic Ocean B.) Arctic Ocean C.) Pacific Ocean
SEE THE ANSWER
C. Marina Trench, Pacific Ocean
How much oxygen does the ocean produce?
A.) About 10% B.) About 50% C.) About 90%
SEE THE ANSWER
B.) About 50%
Which country has the most natural lakes in the world?
A.) Canada B.) USA C.) Russia
SEE THE ANSWER
A. Canada
Food waste contributes what percentage of the world’s greenhouse gas emissions?
A.) 11% B.) 25% C.) 43%
SEE THE ANSWER
A. 11%
Which animal is a symbol of endangered wildlife conservation?
A.) Tiger B.) Giant panda C.) Elephant
SEE THE ANSWER
B. Giant panda
Interesting Trivia About Pollution on Earth

What is global warming?
SEE THE ANSWER
The gradual increase in Earth’s average temperature due to greenhouse gases
Some leading causes of global warming?
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Burning fossil fuels like coal, oil, and gas. Also, deforestation (cutting down trees)
What are the greenhouse gases?
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The gases in our atmosphere prevent heat from escaping the planet. Some of these are – Carbon dioxide, methane, nitrous oxide, and water vapor.
What is climate change?
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Long-term changes in Earth’s temperature and weather patterns, mainly caused by human activities like burning fossil fuels
Which greenhouse gas is the biggest contributor to global warming?
SEE THE ANSWER
Carbon di oxide
What are microplastics and why are they dangerous?
SEE THE ANSWER
Microplastics are tiny plastic, less than 5 mm, that come from the breakdown of larger plastics or from products like cosmetics. They pollute water and soil, enter the food chain, and can harm wildlife and human health.
How many types of pollution are there?
SEE THE ANSWER
There are four main types: air pollution, water pollution, land (soil) pollution, and noise pollution.
What are air pollutants?
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Carbon monoxide, lead, nitrogen dioxide, sulfur dioxide, smoke and particulate matter
How much pollution does cement and construction cause?
SEE THE ANSWER
Cement production emits over 1.5–2 billion tonnes of CO₂ per year globally.
What is “Acid Rain”?
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Rain that has become acidic due to chemical pollution in the atmosphere.
Which type of pollution is caused by too much artificial light at night?
SEE THE ANSWER
Light Pollution. It can confuse migrating birds and baby sea turtles who use the moon and stars to find their way.
What is the “Great Pacific Garbage Patch”?
SEE THE ANSWER
A massive collection of floating plastic debris in the North Pacific Ocean. It is currently estimated to be twice the size of Texas.
Earth day quiz answers – Wildlife

Which animal is known as the fastest land animal?
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Cheetah
Which animal can sleep for up to 20 hours a day?
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Koala
Which bird is a universal symbol of peace?
SEE THE ANSWER
Dove
Which animal has the longest lifespan among mammals?
SEE THE ANSWER
Bowhead whale, about 200 years
What is the largest animal on Earth?
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The Antarctic blue whale
How many elephants are killed for their tusks?
SEE THE ANSWER
100 elephants are killed each day
What is the smallest mammal on Earth?
SEE THE ANSWER
The Etruscan shrew
Which animal is known for changing its colors to blend into surroundings?
SEE THE ANSWER
Chameleon
Which animal plays a key role in pollination along with bees?
SEE THE ANSWER
Butterflies
What does it mean if an animal is “endangered”?
SEE THE ANSWER
It is at high risk of becoming extinct
Which marine animal is endangered due to plastic pollution and fishing nets?
SEE THE ANSWER
Sea turtle
Which great ape is endangered due to deforestation and human activity?
SEE THE ANSWER
Orangutan
Which animal is the most endangered big cat in the world?
SEE THE ANSWER
Amur leopard
Renewable Energy Trivia for Earth Day
What is renewable energy?
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Energy that comes from natural sources that do not run out. Like solar, wind, hydropower, geothermal, and biomass
What are the three “R’s” of waste management?
SEE THE ANSWER
Reduce, reuse and recycle
Which is the greenest form of transportation?
SEE THE ANSWER
Bicycle
Which country has the highest electric car use per capita?
SEE THE ANSWER
Norway
What percentage of plastic do we recycle globally?
SEE THE ANSWER
9%
How many times a single aluminium can be recycled?
SEE THE ANSWER
Forever. Recycling it uses 95% less energy than making a new one from raw ore.
How long does it take for a plastic water bottle to decompose in a landfill?
SEE THE ANSWER
450 years. Most plastic just breaks down into smaller “microplastics” that stay in our soil and water for centuries.
What is “Composting”?
SEE THE ANSWER
Turning organic waste (like food scraps) into nutrient-rich soil, which could be turned back into garden soil instead of sitting in a landfill.
Wrapping Up Trivia Question On Earth
As you can see these Earth Day trivia questions are a fun way to learn more about our planet while spending time together. Try them with your family, classroom, or group, and if you need more kid-friendly activity do download the free scavenger hunt printable by signing up the form below.