| Term | Definition |
|
scientific method |
an organized set of investigation procedures |
|
hypothesis |
a possible explanation for a problem using what you know and what you observe |
|
experiment |
tests the effect of one thing on another using controlled conditions |
|
variable |
a quantity that can have more than a single value |
|
dependent variable |
amount of growth due to value changes dependent on changes in other variables |
|
independent variable |
variable that you change to see how it will affect the dependent variable |
|
constant |
a factor that does not change when other variables change |
|
control |
the standard by which the test results can be compared |
|
bias |
occurs when what the scientist expects changes how the results are viewed |
|
model |
represents an idea, event, or object to help people better understand |
|
theory |
an explanation of things or events based on knowledge gained from many observations and investigations - not a guess |
|
scientific law |
a statement about what happens in nature and that seems to be true all the time |
|
technology |
the application of science to help people |