Animals
History
Tools
Money
Substances
100

It's the world's fastest land animal.

A cheetah

100

He was the first president of the United States.

Who was George Washington?

100
It's a pointed, narrow metal spike used to fasten boards together.

What is a nail?

100

It's a piece of paper used as currency.

What is a bill?

100

It's a green, caffeinated substance.

What is tea?

200

It's the national animal of the United States.

What is the bald eagle?
200

They were the original inhabitants of the American continent.

Who were the Native Americans?

Who were the American Indians? 

200

It's a serrated metal tool attached to a handle that is used to cut boards in half.

What is a saw?

200

It's a piece of metal commonly used as currency.

What is a coin?
200

It's a substance that melts when its hot and is used to make candles.

What is wax?
300

It's a gloopy, gelatin like aquatic creature that has long "hair" that can sting you.

What is a jellyfish?

300

He's the Spanish conquistador who conquered Mexico.

Who is Hernan Cortes?
300

It's the tool that you use to tighten and loosen bolts.

What is a wrench?
300

It's the national currency of the European Union.

What is a euro?

300

It's the substance that emerges from volcano.

What is lava?

400

It's the most intelligent aquatic animal.

What is a dolphin?

400

It was a pandemic spread by rats that killed half of the population of Europe in the Middle Ages.

What is the plague? What is the black plague?

400

It's a long strip of yellow tape used for measuring surfaces.

What is a tape measure?

400

It's the national currency of China.

What is the yuan or RMB?

400

It's a type of brown, sweet, cream made out of boiled milk.

What is caramel?

What is dulce de leche?

500

It's one of two venomous snakes that live in Maryland.

What is a copperhead?

What is a rattlesnake?

500

He was the president who led the United States out of the Great Depression and into World War II.

Who was Roosevelt?
500

This tool has two "heads"--flat and phillips--and is used to unscrew screws.

What is a screwdriver?

500

He's the president on the 50 dollar bill and the general who won the Civil War.

Who is Ulysses S. Grant?

Who is Grant?

500

It's an electrolyte found dissolved in the world's seas and oceans.

What is salt?