Equipment: 5 clear plastic cups, 1/2 a Red cabbage, strainer, blender, 700mL of water, glass jug
Household items tested- Detergent, baking soda, Coke, water and one cup controlled.
Method:
Step 1: Prepare all equipment needed for this experiment.
Step 2: Chop the red cabbage into thin slices
Step 3: Measure and pour 700mL of water into the Blender. Add chopped cabbage.
Step 4: Blend for a minute and strain it into a glass jug.
Step 5: Measure and pour 160mL of solution into 5 cups. Keep one cup the controlled variable(same)
Step 6: Measure and pour in the house hold items into each cup.
Step 7: Wait for 1-2 minutes and record the results.
Step 7: Wait for 1-2 minutes and record the results.
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