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100

What is the most common eye color in humans?

Brown

100

Who painted the Mona Lisa?

 Leonardo da Vinci

100

 How many elements are in the periodic table?

118

100

Where is the world's largest volcano located?

Hawaii 

(Mauna Loa volcano)

100

This four letter word is an antonym of quiet.

Loud

100

Which American president is in the Wrestling Hall of Fame?

Abraham Lincoln

100

 I have a neck but no head, and I wear a cap. What am I?

Bottle

100

Who is Spongebob’s friend that lives under a rock?

Patrick Starr

200

What is the lightest planet?

Saturn (It's so light that it  would float in water)

200

Published after her death, what did teenager Anne Frank leave behind?

Diary

200

 Originally, Amazon only sold what kind of product?

Books

200

Which river flows through the Grand Canyon?

Colorado River

200

It has leaves, a trunk, and deep roots - what is it?

Tree

200

Which country consumes the most chocolate per capita?

Switzerland

200

During what month do people sleep the least?

 February. It’s the shortest month!

200

What were the names of the twins in Rugrats?

Phil and Lil

300

What's the human body's largest organ?

Skin

300

Who famously duelled Alexander Hamilton on 11 July 1804, resulting in the founding father’s death?

Aaron Burr

300

 What year was the first iPhone released?

2007

300

What is the world's most earthquake-prone country?

China

300

This four letter word describes something that isn't often seen, and is very uncommon.

Rare

300

In the United Kingdom, what is the day after Christmas Day called?

Boxing Day

300

What type of music do rabbits listen to?

Hip Hop

300

Who are the cat and mouse who are constantly playing a game of cat and mouse with each other?

Tom and Jerry

400

 The first vaccine developed was for which disease?

Smallpox

400

What was the name of the stele that led to the deciphering of Egyptian hieroglyphics?

 Rosetta Stone

400

Which university did Microsoft founder Bill Gates drop out of?

Harvard

400

What is the only continent without an active volcano?

Australia

400

A song for two voices?

Duet

400

What does HTTP stand for?

Hypertext Transfer Protocol

400

 I travel all around the world, but never leave the corner. What am I?

Stamp

400

When Doug no longer aired on Nickelodeon, what company did a new season air on?

Disney

500

Lack of camouflage and sensitivity to UV radiation doom any wild alligators with this condition from a mutation.

Albino

500

 What year did the Cold War end?

1991

500

What is the official state car of the Emperor of Japan?

Toyota Century Royal

500

What is the only country that borders the United Kingdom?

Republic of Ireland 

500

This four letter word means to join together two pieces of steel by melting their edges and fusing them together.

Weld

500

What was the name of The Beatles' debut album?

Please Please Me

500

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Popcorn

500

While The Simpsons is the longest-running cartoon in the US, what cartoon is the second-longest running?

South Park