# Shared Flashcard Set

## Details

Basics
Flash cards
10
Physics
04/23/2014

Term
 Qualitative
Definition
 Deals with discriptions data can be observed but not measured qualitiy
Term
 Quantitative
Definition
 deals with numbers data can be measured Length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, ages, etc. Quantitative → Quantity
Term
 Accuracy
Definition
 is how close a measured value is to the actual (true) value.
Term
 precision
Definition
 is how close the measured values are to each other.
Term
 observation
Definition
 recognizing and noting some FACT to gather information about the world You make observations using your five senses Observations must be specific and accurate, not relative, so that it means the same to everyone
Term
 Inference
Definition
 a possible explanation or guess about an observation Example: you leave the movie theater and see the ground is wet so you infer that it rained.
Term
 Hypothesis
Definition
 is a reasonable guess based on what you know or observe. Hypotheses (plural of hypothesis) are proven and disproven all of the time.
Term
 theory
Definition
 A scientific theory consists of one or more hypotheses that have been supported with repeated testing. Theories are one of the pinnacles of science and are widely accepted in the scientific community as being true. To remain a theory, it must never be shown to be wrong; if it is, the theory is disproven (this also happens). Theories can also evolve. This means the old theory wasn’t wrong, but it wasn’t complete either.
Term
 law
Definition
 Many times laws are expressed in a single expression. Laws cannot ever be shown to be wrong (that is why there are many theories and few laws). Laws are accepted as being universal and are the cornerstones of science. If a law were ever to be shown false, then any science built on that law would also be wrong; then the domino effect would have a new (and devastating) meaning.
Term
 experiment
Definition
 the procedure to test a hypothesis
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