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14 Cards in this Set

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Science
the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be tested.
Scientific Method
a series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypothesis and stating conclusions
Observation
the process of obtaining information by using the senses
technology
the application of science for practical purposes: the use of tools, machines, materials and processes to meet human needs.
hypothesis
an explanation that is based on prior scientific reserach or observations and that can be tested.
data
any pieces of information acquired through observation or experimentation
model
a pattern,plan,representation or description designed to show the structure or workings of an object , system or concept.
theory
an explanation for some phenomenon that is based on observation, experimentation and reasoning.
law
a summary of many experimental results and observations; a law tells us how things work
meter
the basic unit of length
area
a measure of the size of a surface or a region
mass
a measure of the amount of matter in an object
volume
a measure of the size of a body or region in 3D space
density
the ratio of the mass of a substance to the volume of the substance