How can you distinguish A from B? In this lab, you will do experiments to identify types of changes. Using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments.

you can use hypothesis

Explanation: Scientist suggest its based on prior knowledge or research is testable.

Format- how can you distinguish A from B?  

Comparison: physical changes vs. chemical changes

answer; protein;

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons