What do scientists do when they run experiments? 1. write down their observations
2. walk away from the experiment
3. change parts of the experiment
4. develop a hypothesis

I will mark brainleist, only if you get the answer correct, scam answers will be reported.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?