Animal Kingdom
Around the World
Science Lab
Space
Math Mania
U.S. History
100
The largest animal on Earth.
The blue whale
100
The largest ocean on Earth.
The Pacific Ocean
100
Water freezes at this temperature in Fahrenheit.
32 degrees
100
The planet known as the Red Planet.
Mars
100
The number of sides on a hexagon.
Six
100
The first President of the United States.
George Washington
200
A baby kangaroo is called this.
A joey
200
The continent where Egypt is.
Africa
200
The gas plants take in from the air.
Carbon dioxide
200
The star closest to Earth.
The Sun
200
7 × 8
56
200
The year the Declaration of Independence was signed.
1776
300
The only mammal that can truly fly.
The bat
300
This river starts at Lake Itasca in Minnesota.
The Mississippi River
300
The hardest natural substance on Earth.
Diamond
300
The largest planet in our solar system.
Jupiter
300
The number of degrees in a right angle.
90
300
The President whose face is on the penny.
Abraham Lincoln
400
A group of lions is called this.
A pride
400
The capital city of Canada.
Ottawa
400
The number of bones in an adult human body.
206
400
The first person to walk on the Moon.
Neil Armstrong
400
The square root of 144.
12
400
The country that gave the U.S. the Statue of Liberty.
France
500
How many hearts an octopus has.
Three
500
The smallest country in the world.
Vatican City
500
The element whose chemical symbol is Au.
Gold
500
The hottest planet in our solar system (it's not the closest to the Sun!).
Venus
500
The value of pi, rounded to two decimal places.
3.14
500
The 50th state to join the U.S.
Hawaii
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