If a sunflower receives at least 8 hours of direct sunlight, it will grow taller than one receiving 4 hours.
Identify the Independent Variable (the thing you change) and the Dependent Variable (the thing you measure). The Scientific Method: Steps, Examples, Tips, and Exercise
Noticing a phenomenon or identifying a problem (e.g., "My toaster won't toast"). If a sunflower receives at least 8 hours
List two Constants (things you must keep the same to make the test fair). The Scientific Method: Steps, Examples, Tips, and Exercise