Scientific Question:
which of the four ingredients will have the capacity of cleaning the pennies better?
Hypothesis:
if salt and vinegar removes the dirty better, then the pennies will be brighter because its components have the capacity of cleaning dirtiness easier
Dependent Variable:
how clean the pennies are
Independent Variable:
pennies with vinegar and salt, water, lemon, and hand soap
Control Variable:
time when the pennies are inserted and taken out, amount of ingredients (50 ml)
Constant:
the pennies
which of the four ingredients will have the capacity of cleaning the pennies better?
Hypothesis:
if salt and vinegar removes the dirty better, then the pennies will be brighter because its components have the capacity of cleaning dirtiness easier
Dependent Variable:
how clean the pennies are
Independent Variable:
pennies with vinegar and salt, water, lemon, and hand soap
Control Variable:
time when the pennies are inserted and taken out, amount of ingredients (50 ml)
Constant:
the pennies