Chapter 1 Vocabulary Flashcards
an organized set of investigation procedures
scientific method
possible explanation for a problem using what you know and what you observe
hypothesis
tests the effects of one thing on another using controlled conditions
experiment
a quantity that can have more than a single value
variable
the amount of growth; value changes according to the changes in the other variables
dependent variable
the variable you change to see how it will affect the dependent variable
independent variable
a factor that does not change when other variables change
constant
is the standard by which the test results can be compared
control
occurs when what the scientist excepts changes how the results are viewed
bias
represents an idea, event, or object to help people better understand it
model
an explanation of things or events based on knowledge gained from many observations and investigations
theory
a statement about what happens in nature and that seems to be true all the time.
scientific law
application of science to help people
technology
an exact quantity that people agree to use to compare measurements
standard
the International System of Units
SI