Science

Part A Data
Select the colors you observed on the litmus paper for each substance tested.
Substance Tested
Color on Red Litmus
Color on Blue Litmus
Water
Fruit juice – type used:
White vinegar
Carbonated beverage – type
used:
Isopropyl Alcohol
Saltwater
Baking Soda + water
Ammonia-based glass cleaner
Part B Data
Enter the pH values (numbers) corresponding to the colors you observed on the pH paper for
each substance tested. (Enter whole-number values.) Then determine whether each
substance is an acid, a base, or a neutral substance.
Substance Tested
Water
Fruit juice – type used:
White vinegar
Carbonated beverage – type
used:
Isopropyl alcohol
Saltwater
Baking soda + water
Sodium carbonate (washing soda) + water
pH
Acid, Base, or Neutral?
Household 1 – choose
substance:
Household 2 – choose
substance:
Household 3 – choose
substance:
Ammonia-based glass cleaner
Part C Data
Select the color you observed for the black bean indicator when added to each of the
following substances.
Substance Tested
Color of Black Bean Indicator
Water
Fruit juice – type used:
White vinegar
Carbonated beverage – type used:
Ammonia-based glass cleaner
Baking soda + water
Sodium carbonate (washing soda) + water
Part D Data
Enter the pH values (numbers) corresponding to the colors you observed on the pH paper for
each substance tested. (Enter whole-number values.) Please complete and submit Table B
before submitting data here.
Substance
Vinegar
Baking soda
Mixture after reaction
pH
Part E Data
Record your observations for each step.
Carefully review answers before pressing submit – you are allowed only two attempts on
this portion.
Observations of your egg and
vinegar (when first mixed)
Observations of your egg and
vinegar (after 24 hours)
Observations of your egg
after the vinegar has been
poured away