Fire
Water
Universe
Math
Chemistry
100
The process of using oxygen to burn something
What is Combustion?
100
the percentage of water covering the earth
What is 71%
100
The attractive force between objects
What is gravity?
100
The space between two intersecting lines
What is an angle?
100
The simplest component of a substance that cannot be broken down
What is an element?
200
When you blow a candle out and you see smoke, the smoke is called
What is wax vapor?
200
Invented the bathometer as way to measure how deep water is
Who is Nicholas of Cuza?
200
A view in which the earth is at the center of the universe or solar system
What is geocentric?
200
The wy we measure angles
What is degrees?
200
Known as the laughing philosopher, he developed the atomic theory explaining the arrangement of atoms in a void
Who is Democritus?
300
Knew that something in the air was necessary for objects to burn
Who is Roger Bacon?
300
Similar to air resistance, slows down motion, hindering a projectile
What is water drag?
300
Philosopher who spent much of his time observing the sun, moon, stars, and planets and believed the sun was the center of everything. Born in 310BC died in 230 BC
Aristarchus
300
The part of the lever or balance that does not move
What is the fulcrum?
300
An atom that has lost or gained electrons and now has an electrical charge
What is an ion?
400
A black powder made of unburned carbon left over from burning something
what is soot?
400
a measure of how much water vapor is in the air
What is humidity?
400
The act of roating around an axis or center, spinning
What is rotation?
400
The length of a line running from one edge of a circle or sphere to the other while passing through the center
What is the diameter?
400
A chemical that changes color depending on the amount of acid or base present
What is an indicator?
500
A large body of gas that produces its own light through thermonuclear reactions
What is a star?
500
A device that measures humidity
What is a hygrometer?
500
Wrote a book on geometry that was used for 2,000 years, the father of geometry, also known for his work in optics, the first to describe the Law of Reflection, Born c. 300 BC
Who is Euclid?
500
The horizontal distances traveled by a projectile
What is the range?
500
Two or more atoms chemically connected or bonded together
What is a molecule?
M
e
n
u