An aspect of an experiment that changes during the course of the experiment
Experimental variable
100
A device that either multiplies or redirects a force
What is simple machine
100
His greatest contribution to science was his work on how traits are passed on during reproduction
Who is Gregor Mendel?
100
An ancient form of paper, made from a plant of the same name
What is papyrus
100
Best known for his theory that there are canals on Mars
Who is Percival Lowell?
200
An example that contradicts a conclusion
What is counter example
200
The amount by which force or motion is magnified in a simple machine
What is mechanical advantage
200
Corpernicus wrote a book that advocated the system that is considered the best way of understanding the sun and planets. What is this view called?
What is heliocentric system?
200
People who to turn lead (or other expensive items) into gold (or other valuable times)
What are alchemists
200
A shovel is this class of lever
What is a third class lever
300
An educated guess that attempts to explain an observation or answer a question
What is hypothesis
300
The length of a straight line that travels from one side of a circle to another and passes through the center of the circle.
What is a diameter
300
An ancient Egyptian doctor whose medical practices were renowned throughout the world
Who is Imhotep
300
An endeavor dedicated to the accumulation and classification of observable facts in order to formulate general laws about the natural world
What is science
300
A theory that has been tested by and is consistent with generations of data
What is scientific law
400
The variable or part of the experiment to which all others will be compared
What is control (of an experiment)
400
Lever, pulley, the wheel and axle, the inclined plane, the wedge, and the screw
What are six types of simple machines?
400
Laid down laws of motion, developed a universal law of gravity, invented calculus, wrote many commentaries on the Bible, showed white light is really composed of many different colors of light, and came up with a completely different design for telescopes.
Who is Isaac Newton
400
The idea that living organisms can be spontaneously formed from non-living substances
What is spontaneous generation
400
Leucippus and his student, Democritus, are remembered for this idea
All matter is composed of atoms
500
Experiments in which neither the participants nor the people analyzing the results know who is in the control group
What is double-blind experiments
500
A push or pull exerted on an object in an effort to change that object's velocity
What is force
500
He came up with the first classification scheme for living creatures
Who is Aristotle
500
Experiments in which the participants do not know whether or not they are a part of the control group
What is blind experiments
500
Who were Thales, Anaximander and Anaximenes?
Who are ancient Greeks who were among the first scientists