Question

passage below describes an experiment. joy prepared ten buckets, each with one gallon of boiling water and three tablespoons of black fabric dye. she soaked white linen fabric squares in five of the buckets and white cotton fabric squares in the other five buckets. all of the fabric squares were soaked for 15 minutes. after the fabric dried, joy scored the darkness of the squares on a scale from light to dark. she compared the darkness of the linen fabric to the darkness of the cotton fabric. identify the question that the experiment can best answer. does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water? does fabric turn darker when soaked in a mixture of black dye and water for 15 minutes compared to 30 minutes?

Explanation:

Joy soaked linen and cotton fabric squares in the same black - dye and water mixture for the same time (15 minutes) and compared their darkness after drying. The key variables are the type of fabric (linen vs cotton). This experiment is designed to test which fabric turns darker under the same dyeing conditions.

Answer:

Does linen fabric turn darker than cotton fabric when soaked in a mixture of black dye and water?