Recitation Quiz 1 Flashcards
a causal mathematical relation between variables inferred from the data or through some reasoning process:
law
… experiment: scientist collects data that seem important can be accidental/unplanned
observational
…: explanation that usually is based on some mechanism that is behind what is going on or it can be a mathematical model describing the phenomenon
hypothesis
…. experiment: an experiment that puts a specific hypothesis is put on trial
testing
…: clear expectation for outcome of experiment based on hypothesis being tested
prediction
generally in order to reject a hypothesis you need to check the additional … you made and determine if they are reasonable
assumption
to simplify real objects physicists regard them as single
point like objects
the process that we followed to decide when a real object could be considered a point like object is an example of ..
modeling
to describe physical phenomena quantitatively and model them mathematically physicists construct … quantities: features or characteristics of phenomena that can be determined experimentally, directly/indirectly
physical quantities
determining the value of a physical quantity means comparing the characteristic to an assigned
unit
physical quantities that do not contain information about direction are called … quantities
scalar
physical quantities that contain information about magnitude and direction are called … quantities
vector
… means continually asking yourself the same question when reading the text
interrogation