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Chapter 1 Vocab

Wocabulary WurdDefinithin
variable something that can change in a test
hypothesis what you think will happen during an investigation
observation information you get about something by using your senses
procedures instructions for task completion
experiment testing a hypothesis
inference conclusion based on observations
data information that allows a conclusion or prediction to be made
evidence observations that make you believe something is true
precision the ability to make a measurement as close to the actual value as possible
accuracy ability to consitently repeat a measurement
model an object or idea that represents something else
survey (opinion) questions answered by people
sampling examining random people for results
independent variable a variable that you can change
dependent variable the variable that depends on the independent variable
control group group that does not get change or variable
experimental group group that the variable is tested on
Created by: AllieJ84