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chapter one
Term | Definition |
---|---|
hypothesis | a statement of what might happen |
observation | a statement made using your senses |
experiment | a test to confirm or disprove a hypothesis |
variable | a factor that can be changed or can stay the same |
control group | the group that doesn't receive the special; treatment |
procedures | step-by-step instructions given |
data | information recorded from an experiment |
precision | the ability to use a tool accurately more than one time |
evidence | the proof of a statement |
inference | a statement that can be drawn from observations |
accuracy | to be able to get a measurement that is as close as possible to the actual. |
model | a computer, small, or large scale duplicate |
survey | a conduction in witch people are asked |
sample | examining a random person in a population |
independent variable | The variable that is changed by the scientists; the "I control variable. |
dependent variable | changes when the independent variable changes (what is being measured) |
experimental group | the group that revives the special treatment |