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100

Due to the expansion of iron when it gets hot, this building's height can increase by up to 15 centimeters during the summer.

What is the Eiffel Tower?

100

This is the body's largest organ.

What is skin?

100

This animal's heart is located in its head.

What is a shrimp?

100

This is currently the most used streaming service.

What is Netflix?

100

This element react violently with water.

What is sodium?

100

This state is the only US state with a one syllable name.

What is Maine?

200

This famous, giant land form grows about 0.04 inches (1.0 millimeter) taller each year due to tectonic plate movements.

What is Mount Everest?

200

This is the only part of the human body that cannot heal itself. 

What are teeth?

200

This animal has only seven neck vertebrae – the same number as humans but theres are much bigger.

What is a giraffe?

200

In 2019, a gamer won $3 million in a single tournament playing this game. 

What is Fortnite?

200

Because of the extremely slow rotation on its axis, a day on this planet is longer than a year.

What is Venus?

200

This letter doesn't appear in any state name.

What is "Q"

300

This country has more lakes than the rest of the world combined?

What is Canada?

300

This is where the smallest bone in the body is located.

What is the ear?

300

This animal has taste receptors on their feet. This allows them to "taste" the leaf that they land on to determine if they're suitable for laying eggs.

What is a butterfly?

300

This is considered the oldest sport.

What is wrestling?

300

This travels at the fastest speed in the universe.

What is light?

300

Researchers believe that the total weight of this animal on the earth is equal to the total weight of humans on the earth. 

What are ants?

400

This country has the most pyramids in the world.

What is Sudan?

400

This is the number of times humans typically blink in one minute.

What is 10-20 times?

400

This animal cannot move backwards, only forwards in big leaps. 

What is a Kangaroo?

400

The longest match in this sport lasted 11 hours and 5 minutes.

What is tennis?

400

This is where most of the serotonin in the body is  produce. 

What is the gut?

400

This sweet food never soils and is still edible after 3,000 years.

What is honey?

500

This is Scotland's National animal (a symbol of innocence and strength in Scottish Folklore).

What is a unicorn?

500

This is the only part of the human body with no blood supply. 

What is the cornea?

500

This animal has three hearts – two pump blood to the gills, and one pumps it to the rest of the body. This unique circulatory system helps them survive in various underwater conditions.

What is an octopus?

500

This is where the first Olympic Games were held in 776 BC.

What is Greece?

500

The only vein in the human body that carries oxygen rich blood. 

What is the pulmonary vein?

500

This was the last letter added to the English alphabet.

What is "J"?

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