Scientific Method
The first step of the scientific method.
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The factor changed in an experiment.
Independent variable
SI base unit for length.
Meter
A law describes a pattern in ______.
Nature
Purpose of a graph.
Show data
A proposed explanation that can be tested.
Hypothesis
The factor measured.
Dependent variable
SI base unit for mass.
Gram
A theory explains ______.
Why
Best graph for change over time.
Line graph
Why repeat experiments?
Reliability
A variable that stays the same.
Constant
SI base unit for temperature.
Kelvin
Why do theories change?
New evidence
Graph shows temp ↑ as time ↑. Predict?
Temp rises
Final step after analyzing data
Conclusion
Standard of comparison.
Control
Mass = 80 g, Volume = 20 cm³. Density?
4 g/cm³
Example of a law or theory.
Gravity / Evolution (any valid example)
Independent variable axis.
X-axis
Why is the order of steps important?
Accuracy
Plant growth experiment: Independent? Dependent?
Sunlight; Height
Why use SI units?
Standardization
Why is debate important?
Better explanations
Why is graphing important?
Shows Patterns