information gathered using one of the 5 senses.
an assumption based on prior knowledge
a factor that can be changed in a system
step of the scientific method where the problem is stated.
an observation that describes the object. Does NOT use measurements or calculations
observations that use measurements or calculations
step-by-step method of problem solving
an educated guess
variable that is changed on purpose.
variable being tested, what you are measuring.
variable that is NOT changed
part of the scientific method where you test your results
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