History of Science
An ancient form of paper made from a plant
What is papyrus?
Process used by scientists to draw reliable conclusions
What is the Scientific Method?
A push or pull exerted on an object
What is a force?
Straight line from one side of a circle to the other that passes through the center of the circle
Scientific pursuits related to living organisms
What is Life Science?
Most sedimentary rock laid down by this.
What is by water?
The conversion of organic material into rock is
What is Petrifaction?
An endeavor dedicated to getting facts to generate laws about the world
What is Science?
An educated guess that attempts to explain something
What is an hypothesis?
The fixed point in a lever
What is a fulcrum?
An inclined plane wrapped around an axle
What is a screw?
Study of past human life as revealed by preserved relics
What is archaeology?
A rock in the desert is constantly hit by bits of sand carried by wind. Sometimes tiny bits of the rock break off. This is ____________ weathering.
What is physical weathering?
The process by which an organism's remains are converted to a filmy residue that leaves a flattened "drawing" of the organism in rock.
What is carbonization?
Idea that living organisms can be spontaneously formed
What is spontaneous generation?
This thing is NOT a means by which something can be proven
What is science?
Amount by which a force or motion is magnified in a simple machine
What is mechanical advantage?
An ax is an example of this type of simple machine
What is a wedge?
Objects made by people, such as tools, etc
What is artifacts?
This is needed to form stalagmites and stalactites.
What is groundwater?
What is the mechanical advantage of a screw that has a pitch of .02 inches and a diameter of .5 inches?
MA=7.85
Polish scientist who proposed the heliocentric system
Who is Copernicus?
In the absence of this, all objects fall at the same rate
What is air?
A wheelbarrow is an example of this type of lever
What is a second-class lever?
The distance or perimeter around a circle
What is a circumference?
Study of earth's history as revealed in the rocks of the earth
What is geology?
This is formed because the river deposits many of the sediments it carries there.
What is a delta?
Suppose a wheel has a diameter of 64 inches, while its axle has a diameter of 8 inches. What is the mechanical advantage of this wheel and axle?
MA=8
One of the greatest scientists of all time who made laws about motion and gravity
Who is Sir Isaac Newton?
A hypothesis that has been tested with a significant amount of data
What is a theory?
Two levers in one is what kind of lever? Scissors are an example
What is a compound lever?
A block and tackle pulley system has a mechanical advantage of 4. How many pulleys does it use?
What is 4?
Study of life's history as revealed in the preserved remains of extinct organisms
What is paleontology?
The Great Unconformity is a most striking example of what kind of unconformity?
What is an angular unconformity?
With a screwdriver with a diameter of 1 inch and a screw that has a pitch of .02 inches and a diameter of .5 inches. What is the Mechanical Advantage?
MA=15.7