Conduct multiple trials Write down a procedure Identify the materials to be tested Record observations and data in a journal
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Alan is using cabbage juice to determine the relative pH of various household solutions. Which of these steps communicates the results of his investigation?
Possibilities:
- Conduct multiple trials
- Write down a procedure
- Identify the materials to be tested
- Record observations and data in a journal

Record observations and data in a journal