Codes
This international code distress signal, made up of three short, three long, and three short signals, is universally recognized as a cry for help.
What is SOS?
What is the value of 1+1×0?
What is 1?
Free from dirt, marks, or stains; spotless
What is clean?
The first man landed on the Moon during this decade.
What is the 1960s?
This organelle is known as the powerhouse of the cell.
What is the mitochondria?
This code, made famous by an inventor in 1837, translates letters and numbers into sequences of dots and dashes.
What is Morse code?
What is 100−(10×5)+25?
What is 75?
Having a strong desire for food; feeling the need to eat.
What is hungry?
Prohibition began in the United States during this decade.
What is the 1920s?
This is the process by which plants convert sunlight into energy.
What is photosynthesis?
This code, often used by truckers and police, means “message received and understood.”
What is 10-4?
I am a number. Double me and subtract 8, you get 6. What number am I?
What is 7?
Full of energy and enthusiasm; active and lively.
What is energetic?
The first successful summit of Mount Everest was achieved during this decade.
What is the 1950s?
This is the term for animals that regulate their body temperature through external means.
What are ectotherms?
In telecommunications, this 3-digit code serves as the geographic identifier in North American phone numbers.
What is an area code?
What is 2+2×2=?
What is 6?
Impossible to avoid or prevent; certain to happen.
What is inevitable?
The fall of Constantinople, marking the end of the Byzantine Empire, occurred during this decade.
What is the 1450s?
This is the part of the human brain responsible for voluntary muscle movement and balance.
What is the cerebellum?
This emergency code NFPA 1, used primarily in the U.S.
What is the Fire code?
I’m a three-digit number. My tens digit is five more than my ones digit, and my hundreds digit is eight less than my tens digit. What number am I?
What is 194?
Describes a person or action showing a willingness to take surprisingly bold risks; daring.
What is audacious?
The steam engine was first patented by James Watt during this decade.
What is the 1760s?
This is the name of the hypothetical particle proposed to mediate the force of gravity in quantum mechanics.
What is the graviton?