What is the largest organ of the human body?
large intestine
spleen
skin
heart
In the initials of the federal agency known as NASA, what does the first "A" stand for?
Academy
Aerospace
Administration
Aeronautics
What ancient civilization built the Machu Picchu complex in Peru?
Olmec
Aztec
Inca
Maya
The Statue of Liberty was a gift to the US from where?
Italy
Great Britain
Spain
France
What do you call a scientist who studies rocks?
geologist
archaeologist
proctologist
paleontologist
The Great Sphinx in Egypt has the head of a man and the body of which species of animal?
bear
camel
lion
dog
What is the most abundant element in the universe?
hydrogen
carbon
helium
oxygen
