Comes from the Greek astron, meaning "star," and nomos, meaning "law."
What is astronomy?
100
The most elementary unit of life.
What is a cell?
100
A substance made up of a combination of more that one type of atom.
What is a compound?
100
The pull of one object on another.
What is gravity?
100
This system, used in computers, has only two characters - 0 and 1.
What is the binary system?
200
The number of planets in our solar system.
What is eight?
200
A biologist who names and classifies organisms?
What is a taxonomist?
200
The branch of chemistry that deals with compounds that contain carbon.
What is organic chemistry?
200
This travels about 186,000 miles per second.
What is light?
200
A small, movable input device that controls the cursor on the screen.
What is a mouse?
300
The part of our galaxy visible to the naked eye.
What is the Milky Way?
300
The three branches of biology.
What are botany, zoology, and microbiology?
300
Chemical element with symbol Co and atomic number 27.
What is Cobalt?
300
This from of energy comes from the Greek word elektron which means "amber."
What is electricity?
300
This computer component contains millions of transistors, resistors and capacitors.
What is a chip?
400
Early proponent of what later became known as the "Big Bang Theory".
Who was Georges Lemaître?
400
The remains or impression of an organism preserved in a petrified form.
What is a fossil?
400
Group of elements that contains titanium, zirconium, hafnium and rutherfordium.
What is Group 4?
400
Any object that allows us to do work with less effort. For example a hammer, ramp or automobile.
What is a machine?
400
This example of artificial intelligence was an evil computer in 2001: A Space Odyssey.
What (who?) is HAL?
500
They are even brighter than active galaxies, are up to 10,000 times more luminous and 1 million times rarer in a given volume of space than galaxies like the Milky Way.
What are quasars?
500
He originated the study of eugenics.
Who is Sir Francis Galton?
500
He determined that matter is never created or destroyed by a chemical reaction - the Law of Conservation of Matter.
Who is Antoine Lavoisier?
500
The basic theory used in modern physics to describe and understand matter and energy at the atomic and subatomic levels.
What is quantum mechanics (or theory)?
500
During this time period inventions in China included the horse harness, early printing methods, gunpowder and rockets.