Riddles
History
Technology
Medicine
Animals
100

What can travel around the world while staying in one corner?

A stamp

100

Who was the U.S. president during the Civil War?

Abraham Lincoln

100

Who is the founder of Microsoft?

Bill Gates

100

What is the most common blood type?

O positive

100

What is the largest mammal in the world?

Blue Whale

200

What has a heart that doesn't beat?

An artichoke
200

What was the name of the ships the Pilgrims sailed to America on?

The Mayflower

200

What does PDF stand for?

Portable Document Format

200

Who discovered penicillin, the first widely used antibiotic?

Alexander Fleming

200

What is the only mammal capable of true flight?

Bat

300

What begins with T, ends with T, and has T in it?

Teapot

300

Which ancient wonder was located in Babylon?

Hanging Gardens

300

What year did the first iPod release?

2001

300

What is the name of the bone in the human body often referred to as the collarbone?

Clavicle

300

What do you call a baby kangaroo?

Joey

400

Forward I'm heavy, but backward I'm not.

Ton

400

What year did World War II end?

1945

400

Who invented the World Wide Web?

Tim Berners-Lee

400

What is the medical name for the condition commonly referred to as "high blood pressure"?

Hypertension

400

What is the largest species of bear?

Polar bear

500

What has keys but can't open locks?

A piano

500

Which U.S. state was first to join the union?

Delaware

500

What does USB stand for?

Universal Serial Bus

500

What is the most common type of headache?

Tension Headache
500

Which animal is known for playing dead?

Opossum

600

What has one eye but can't see?

A needle

600

The assassination of this person is often considered to be the inciting event of World War I.

Archduke Franz Ferdinand

600

What year was Google founded?

1998

600

What is the medical term for the windpipe?

Trachea

600

How many back humps does a Bactrian camel have?

2