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Give the phase transition that occurs as the temperature of dry ice increases.
Variable
An element, feature, or factor that is likely to vary or change in value between different individuals or under different conditions.
Scientific Method
A systematic and logical approach to discovering how things in the universe work, involving observation, experimentation, and hypothesis testing.
Reporting Results
The process of presenting data and findings from research or an investigation to interested audiences.
Operational Definition
A clear, precise description of a variable or condition in terms of the specific process or set of validation tests used to determine its presence and quantity.
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