Math
The value of π (pi) rounded to two decimal places
3.14
George Washington
The chemical symbol for water
H2O
The author of Harry Potter
The capital of the United States
Washington D.C.
8x7
56
The year the Titanic sunk
1912
The gas humans need to breathe
Oxygen
The name of the fictional land where The Wizard of Oz takes place
Oz
The Sahara Desert is located on this continent
Africa
A triangle with sides of 3, 4 and 5
The person known for the famous "I Have a Dream" speech
Martin Luther King Jr.
The planet closest to the Sun
Mercury
The famous playwright who wrote Romeo and Juliet
William Shakespeare
The longest river in the world
The Nile or Amazon
The perimeter of a rectangle with a length of 10 and width of 4
28
The ancient civilization that built the pyramids
Egyptians
The force that keeps us on the ground
Gravity
The main character's name in Diary of a Wimpy Kid
Greg Heffley
The only U.S. state made up entirely of islands
Hawaii
The square root of 81
9
The empire ruled by Genghis Khan
The Mongol Empire
The particle in an atom with no electrical charge
Neutron
The name of the famous novel about a boy stranded on an island, written by William Golding
Lord of the Flies
The country with the most natural lakes
Canada