Cat 1
What idea is Charles Darwin most famous for?
Natural Selection
What process is also known as "the human body clock"?
Circadian Rhythm
How long does it take for the sun's light to reach Earth?
8 minutes
How many teeth does an adult human have?
32
At what temperature are Celsius and Fahrenheit equal?
-40
What percentage of Earth's total water is salt water?
97%
How old is Earth?
4.5 billion years old
How many bones do sharks have?
ZERO
What term measures the greenhouse gases emitted by a person or an organization?
Carbon footprint
What is the scientific study of algae called?
Phycology/Algology
What do you call the series of numbers where each value is determined by the two values directly before it?
Fibonacci sequence
What does DNA stand for? SPELL IT
Deoxyribonucleic Acid
What is the name of the process when solid immediately converts into gas without becoming a liquid?
Sublimation
Why do golf balls have dimples?
They reduce aerodynamic drag.
What is the only rock that floats?
Pumice
What type of clouds are the most fluffy and can be seen on sunny days?
Cumulus Clouds