An alpha particle consists of what?
2 protons and 2 neutrons
Gold's purity is measured in what unit?
Carat
Some scientists believe that you can travel to the future by
traveling at the speed of what?
Light
The deasth of what results in black holes?
Stars
The gigantic explosion which is believed to have caused the
universe is known as what?
Big Bang
The mass of an object divided by its volume is known as
what?
Density
What is added to nickel to make American nickels?
Copper
What is put inside the structure of concrete buildings in order to keep it stable?
Steel beams
What law states that a change in electric field creates a
magnetic field?
Ampere's Law
What sea is so inundated with salt that you can almost float
on it without swimming?
Dead Sea
Which of these represents pure gold?
24 carats
Senior
A scythe is a what?
Cutting tool
After which war did Americans start using forks?
Civil War
An orbit's furthest point from Earth is called what?
Apogee
An orbit's furthest point from Earth is called what?
Apogee
Around how many gallons of water are used in dishwashers?
10
-460 degrees fahrenheit
Pressure at a given point in the Earth's atmosphere is called what?
Atmospheric pressure
The tallest building in the world is what?
Burj Khalifa
What are tin cans actually made of?
Steel
What does LASER stand for?
Light Amplification by Stimulated Emission of Radiation
What type of magnet's magnetic field is produced by an electric current?
Electromagnet
What type of material is well-suited for absorbing large amounts of moisture from the atmosphere?
Deliquescent
Which of these can destroy diamonds?
What are tin cans actually made of?
Steel
What does LASER stand for?
Light Amplification by Stimulated Emission of Radiation
What type of magnet's magnetic field is produced by an electric current?
Electromagnet
What type of material is well-suited for absorbing large amounts of moisture from the atmosphere?
Deliquescent
Which of these can destroy diamonds?
Fire
Which of these dictators is named after steel?
Which of these dictators is named after steel?
Joseph Stalin
Which of these objects could refuse the gravitational pull of a black hole?
Nothing can
Who invented bifocals?
Benjamin Franklin
The first GPS satellite was launched in what year?
1978
What does GPS stand for?
Global Positioning System
What is the most slippery substance in the world?
Teflon
Who is considered the father of the computer?
Charles Babbage
Which of these objects could refuse the gravitational pull of a black hole?
Nothing can
Who invented bifocals?
Benjamin Franklin
Expert
"A Brief History of Time" is a book by who?
Stephen Hawking
A typical pencil can draw a line that’s around how many
miles long?
35 miles
The deepest hole in the world exists where?
Russia
The first GPS satellite was launched in what year?
1978
Two Roman irrigation dams from the 2nd century still exist
in what country?
Spain
What does GPS stand for?
Global Positioning System
What group of people were first responsible for monitoring
time in intervals of 60s?
Babylonians
What is the estimated weight of our entire atmosphere?
5.5 quadrillion tons
What is the most slippery substance in the world?
Teflon
What organization maintains GPS satellites?
US Department of Defense
What scale is used to measure the force of wind at sea?
Beaufort Scale
What tool uses the positioning of the sun to tell time?
Sundial
What type of metal was originally going to be used on the
top of the Washington Monument?
Aluminium
Which of these US Presidents once worked professionally with
metals?
Herbert Hoover
Who built the first pendulum clock?
Christiaan Huygens
Who is considered the father of the computer?
Charles Babbage
Who is the youngest person to ever win a Nobel Prize in
physics?
Lawrence Bragg
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