Chapter 1 Vocabulary Cards Flashcards
occurs when what the scientist expects changes how the results are viewed
bias
A factor that does not change when other variable change
constant
the standard by which the test results can be compared
control
mass per unit volume a material
density
to test the affect of one thing another using controlled conditions
experiment
a possible explanation for a problem using what you know and what you observe
hypothesis
a visual display of information or data
graph
An organized set of investigation procedures
Scientific method
The standard that is universally accepted an understood by scientists throughout the world
SI
a measurement of the quantity of matter in an object
mass
represents an idea, event or object to help people better understand it
model
A statement about what happens in nature and that seems to be true all the time
scientific law
an exact quantity that people agree to suet compare measurements
standard
the application of science to help people
technology
an explanation of things or events based on knowledge gained from many observations and investigations
theory
