History
His face is on the penny
Abraham Lincoln
The sum of the interior angles of a triangle (degrees)
180
The name for a baby cow
calf
This resource covers most of the Earth
Water
This chess piece moves in an "L" path
the knight
The first three presidents of the United States of America
George Washington, John Adams, Thomas Jefferson
Roman numeral XXVIII
28
If a letter isn't a vowel, it is this...
a consonant
A scientist who studies rocks
The number of days in a leap year
366
Mexico gained its independence from this country in the 1800s
Spain
Number of grams in a kilogram
1,000
tame, calm, docile
Animals without a backbone
Invertebrates
Alexander Graham Bell invented this
the telephone
The first date of the 20th century
Jan. 1, 1901
2 to the fourth power (24)
16
Author of the Harry Potter series
J.K. Rowling
32 degrees
The capital of Argentina
Buenos Aires
The Japanese city that was the first location attacked by an atomic bomb
Hiroshima
Number of yards in 45 feet
15
"to run" in Spanish
correr
carbon dioxide
Number of NBA championships won by the Chicago Bulls
6