Riddles
Stuff people just don't know
English
Environmental Science
Geography
100

I can be cracked, made, told, and played. What am I?

What is a joke?

100

What does the D.C. in Washington D.C. stand for?

What is the District of Columbia?

100

Which letter was added last?

What is the letter J?

100

What is the greatest trash dump that is NOT on land?

Where is the Great Pacific Garbage Patch?

100

Which continent is in all 4 hemispheres?

Where is Africa?

200

I'm at the end of end, middle of middle, but not at the beginning of beginning. What am I?

What is the letter D?

200

What is the only planet that spins clockwise?

What is Venus?

200

What is the origin and main root of the English language?

What is Proto-Indo-European?

200

What is the largest coral reef?

Where is the Great Barrier Reef?

200

What is the deepest body of water?

Where is the Mariana Trench?

300

I can be cracked, made, told, and played. What am I?

What is a cloud?

300

What animals have more fake animal versions than real ones? (As in toys, and other stuff like plushies)

Flamingos, Penguins, Saola, or Mallard Duck.

What is the Saola?

300

Name all the eight primary parts of speech.

What is nouns, pronouns, verbs, adjectives, adverbs, prepositions, conjunctions, and interjections?

300

How much percent of the oxygen on Earth is produced in the Amazon Rainforest?

What is 20%?

300

What is the largest hot desert in all of the entire Earth?

Where is the Sahara Desert?

400

Forward I am heavy, but backward I am not. What am I?

What is the word ton?

400

How many centimeters does the Eiffel Tower expand in the summer? 

What is 15 cm?

400

What are the two parts of a sentence?

What is the subject and predicate?

400

What is the nickname of the Amazon Rainforest?

What is the "Lungs of the Earth"?

400

How much snow does Antarctica get in mm?

what is 166 mm?

500

What comes once in a minute, twice in a moment, but never in a thousand years?

What is the letter M?
500

What is the oldest?

The Aztec Empire, Oxford University, or Leaning Tower of Pisa?

What is the Oxford University?

500

Name all the FANBOYS.

What is for, and, nor, but, or, yet, so.

500

What is the Earth's atmosphere made of?

What is 71% nitrogen, 28% oxygen, and 1% other gases?

500

Is Washington D.C. a state?

What is no?