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Chapter 1
Tearm | Definition |
---|---|
Hypothesis | a statement of what you think happens during an investigation |
observation | is something you find out about objects,events,or living things using your senses |
experiment | the use of scientific methods to test your hytpothesis |
variable | something that can change in a test r |
independent variable | is one that you can control |
dependent variable | changes when an independent variable changes. It is what get s measured . it gives you data. |
control group | the group that doesn't gets the special treatment |
procedures | are step-by-step insurrections for completing a task. |
data | are information from which a conclusion drawn or prediction can be made |
precision | is the ability to consistently repeat a me asurement |
accuracy | the ability to make a measurement that is close to the actual value as possible |
inference | is an conclusion based on an observations |
evidence | are observation that make you believe some thing is true |
model | to learn more about the world to test or designs other things |
surveys | question that are answered by people. Great for opinion question |
sampling | examining random individuals from a population |
experiential group | the group that gets the special treatment |