Animals
The USA
People
Human Body
Food
100

This is the national animal of Scotland

The unicorn

100

There's enough water in this lake to cover North America and South America in a foot of water 

Lake Superior 

100

This famous actor used to be a gym teacher

Hugh Jackman

100

You can start shedding tears at this age

One month

100

This fruit is slightly radioactive

Banana

200

This is the number of hearts octopi have

Three

200

This animal outnumbers people in Montana

Cows

2.6 million cows to 1 million people

200

This scientist had his brain stolen by the pathologist who did his autopsy

Albert Einstein

200

This bone can support 30 times your body weight

Femurs (thigh bone)

200

This food was the first food planted in space

Potatoes

300

This is the only mammal that can't jump

Elephant

300

This library contains roughly 838 miles of bookshelves, which is long enough to stretch from Houston, Texas to Chicago, Illinois

Library of Congress

300

This artist also played many musical instruments, including the lyre and the flute

Leonardo da Vinci

300

These two body parts are continually growing

Ears and nose

300

This fruit eats you as you eat it

Pineapple

400

This five-day-old animal can outrun an adult human

Moose calf

400
You can get a unicorn hunting license in this Midwest state

Michigan

400

This physicist drove to the frontlines during World War 1 and performed x-rays on wounded soldiers

Marie Curie

400

You have this many sweat pores

2.5 million

400

This condiment was sold as medicine starting in the 1830s

Ketchup

It claimed to help indigestion, diarrhea, and jaundice

500

This is the color of hippo sweat

Red

500

This building has its own zip code

Empire State Building

500

This famous singer has an Instagram account where she rates onion rings

Lorde

(@onionringsworldwide)

500

This animal shares 70% of our DNA

Slugs

500

This nut can spontaneously combust if packaged too tightly together

Pistachios