Chemistry
Is sterling silver pure silver? If not, what is it?
What is silver and up to 7.5% copper
___ can neither be created or destroyed
Mass, Energy
Originally, Amazon only sold what kind of product?
books
Who was the first woman to win a Nobel Prize?
Bonus for date
Marie Curie (1903)
Who painted the Mona Lisa?
Leonardo da Vinci
Only metal liquid at room temperature
Fugacity
What was the original purpose of the tiny pocket in jeans?
Pocket watches
What does SPF in sunscreen stand for?
Sun Protection Factor
Demolition of the Berlin wall separating East and West Germany began in what year?
1989
Only letter not in the periodic table
What process converts atmospheric nitrogen to ammonia by a reaction with hydrogen using a metal catalyst under high temperatures and pressures?
Haber-Bosch
What is the human body's heaviest organ?
Skin
How many people have walked on the moon?
12
Who was the scientist who filed 1,093 patents alone?
Edison
Most abundant element in the universe
Hydrogen
The Reynolds number is a ratio of....
inertial forces to viscous forces within a fluid
How long is a marathon?
26.2 miles
Which country originated the sport of curling?
Scotland
What is Muhammad Ali's original name?
Cassius Clay
What chemical causes the burning taste when eating chillies
Capsaicin
What does a catalyst do?
Lower activation energy
What are the only birds that can fly backward?
Hummingbirds
What creature has no teeth or stomach, mates for life and is the only species on Earth where the male carries the unborn offspring?
Seahorse
Which athlete won the Tour de France every year from 1999 to 2005?
Lance Armstrong