what is the lightest element on earth?
hydrogen
the first U.S. president.
(George Washington)
this ancient wonder in Egypt is the only one still standing.
The great pyramid of Giza
The largest ocean on Earth.
pacific
This mythical creature is half-man, half-horse.
centaur
used in balloons to float
helium
his president wrote the Emancipation Proclamation.
Abraham Lincon
In 1492, this explorer sailed across the Atlantic.
Cristopher columbus
This river flows through Egypt.
Nile river
This classic arcade game features a yellow character eating dots while avoiding ghosts.
pac man
the basis of all life.
carbon
the youngest elected president at age 43
john F kennedy
The war between the North and South U.S. states (1861–1865).
American cilvil war
The tallest mountain in the world.
mount everest
This detective lives at 221B Baker Street
Sherlock homes
what humans need to breathe.
oxygen
This president served four terms.
franklin D rosevelt
The huge wall built in China for protection from invasions.
great wall of china
this U.S. state is the biggest by land area.
Alaska
This character stole Christmas from Whoville.
The Grinch
used in foil around food
alluminum
the president on the $20 bill
Andrew Jackson
This ship sank in 1912 on its first voyage.
Titanic
This continent is also a country.
Austrailia
This wizarding sport involves flying broomsticks and a golden snitch.
Quidditch