Difficult
Challenging
Hard
Maybe the most difficult?
Impossible!
Extremely difficult
Very difficult
100

What vitamin does the sun’s ultraviolet rays help the skin produce?

Vitamin D

100

What is the hardest rock?

Diamond

100

What blood type qualifies as a universal donor?

O negative

100

Botany is the scientific study of what?

Plants

100

The Statue of Liberty was given to the US by which country?

France

100

What reptile has no legs?

Snake

100

The unicorn is the national animal of which country?

Scotland

200

What is the largest planet in our solar system?

Jupiter

200

What animal cannot move its eyes? 

Owl

200

What is the scientific name of the process where plants prepare their nutrients?

Photosynthesis

200

What is the 2nd smallest country in the world?

Monaco

200

What organ does an octopus have three of? 

heart

200

What is the smallest prime number?

2

200

What city is Batman from?

Gotham City

300

What is NaCl commonly called?

Salt

300

Which planet in the Solar System is the hottest?

Venus

300

Where is Nova Scotia?

Canada

300

What is the capital of Argentina? 

Buenos Aires

300

How many eyes does a bee have?

Five

300

The wooly mammoth is most similar to what modern day animal?

Elephant

300

Which animal can run faster backwards than forwards? 

Crab

400

What is the currency of Japan?

Yen

400

Which city has the nickname the "Big Apple"? 

New York City

400

What ancient civilization built the Machu Picchu complex in Peru?

The Incas

400

Who founded and was the CEO of Microsoft?

Bill Gates

400

Who wrote "The Odyssey"?

Homer
400

Who painted the ceiling of the Sistine Chapel?

Michelangelo

400

What month of the year has 28 days?

All of them

500

Who was the first person to walk on the Moon? 

Neil Armstrong

500

Which sea separates Saudi Arabia and Africa? 

Red Sea

500

What color is a polar bear’s skin? 

Black

500

What kind of alcohol is made from grapes?

Wine

500

What is the only mammal that can fly? 

Bat

500

What is it called when birds fly south (warmer climates) for the winter?

Migration

500

When Amazon was founded, what product was initially sold?

Books

600

Which scientist discovered penicillin? 

Alexander Fleming

600

What is the fastest land animal? 

Cheetah

600

What was the first Disney animated film based on the life of a real person?

Pochahontas

600

What is the world’s biggest island? 

Australia

600

What is the most visited museum in the world? 

The Louvre

600

Which famous artist painted the Mona Lisa?

Leonardo Da Vinci

600

What do you call a word that reads the same way backward and forward?

A palindrome

700

What does “WWW” stand for (in https://www)

World Wide Web

700

In which year did the US declare its independence?

1776

700

Where does Sponge Bob live?

Bikini Bottom

700

Who gave the famous "I have a dream" speech?

Martin Luther King Jr.

700

Who was the first person in space?

Yuri Gagarin

700

What is the loudest animal on Earth?

Sperm whale

700

How many time zones does Russia have?

11

800

Which country hosted the first modern Olympic Games in 1896? 

Greece (Athens)

800

What is the name of the Greek goddess of the hunt, the wilderness, and the moon?

Artemis

800

What is the fourth letter in the Greek alphabet called? 

Delta

800

What does USB stand for?

Universal Serial Bus

800

What fruit is known as both the"king of fruits" and also the stinkiest fruit?

Durian

800

What was the first video ever uploaded to YouTube about? 

A zoo visit

800

What river flows through the Grand Canyon 

The Colorado River

900

What is the world’s most widely spoken native language? 

Mandarin Chinese

900

Which planet is closest to the Sun? 

Mercury

900

Who co-founded Microsoft?

Paul Allen

900

Which animal cannot jump? 

Elephant

900

What movie is this quote from?
-> "I'll be back”? 

The Terminator

900

What is the only fruit that has seeds on the outside? 

Strawberry

900

What is the meaning of the word "defenestrate"?

To throw someone out a window.

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