FINAL EXAM Flashcards
(62 cards)
What is the belief that the only things we can know with confidence are the things we learn from scientific study?
Scientism
What is things we observed to exist or occur?
Phenomena
What science develops answers to natal-world questions by directly testing and observing present day phenomena?
Operational science
What is a model?
A simpler idea of a far more complex subject
Wha is a hypothesis?
An idea or theory that has not been proven
What do we call the system or collection of tools, rules, and prociediers used within an area of study?
Scientific methodology
What is the process of mixing by particle motion?
Diffusion
What happens when atoms combine to form larger particles?
It creates a molecule
What occurs when thermal energy is lost from a vapor through cooling?
Condensation
What is the difference between cations and anions?
Cations are positive and anions is negative
What is the difference between chemical and physical changes?
Physical changes the state but not the composition while chemical changes the composition
What are the three kinds of vaporization?
Evaporation
Boiling
Sublimation
What is a particle in motion known as?
Bronian motion
What do significant digits apply to?
Measured numbers
How de we measure weight and mass?
Mass we use kilograms and weight we use newtons
What country established the decimal metric system
France
What is a paradigm?
A generally accepted worldview
Any artificial device made do the purpose of refining, extending, or substituting for the human senses when measuring is known as:
Instrument
What is the segment of demention assigned a value of 1 for measuring purposes?
Unit
The difference between a measurement and the dimensions actual value is:
The error of measurement
What is the assessment of the measurement error?
Accuracy
What is the assessment of the exactness of a measurement?
Precision
What indicates the amount of matter in an object and the effect of gravity?
Weight
What are the two parts of measured data?
Numbers and demention all unit