Many things, for example in a chemistry experiment stuff can blow up or emit toxic gasses
It is important to follow an experiment carefully because one mess up and the whole experiment could go wrong or it might change the outcome.
because your hypothesis could be right or wrong
It could point to that the hypothesis was wrong.
that a person could be influenced to say the wrong opinion due to peer pressure
a conclusion is what you think of the experiment. did it go well, what happened what went wrong ect.
Any experiment could go wrong if done incorrectly.
so that you don't mess up, and something could go wrong while you'r doing the experiment.
It is important to follow an experiment carefully because one mess up and the whole experiment could go wrong or it might change the outcome.
everything
An experiment can go wrong for many reason. The number one reason can simply be due to human error. Other factors could be the design of the experiment, a spill done in the experiment, or a miss calculation.
1.so chemicals do not go onto their body 2.if they use the wrong substances it could explode
because your hypothesis could be right or wrong
It could point to that the hypothesis was wrong.
dirt because its like nature and you don't have to get it from the store you could just go outside and get dirt if you have dirt if you don't then go to your friends if you have any if not you could buy soil those who do can experiment this awnser then if I'm wrong then put awnser why its wrong and whats the awnser.
everything can go wrong with a newspaper the font might be wrong and the colour could ne wrong. there could even be a spelling mistake
the conclusion of the experiment will be wrong so the experiment will be wrong
It is necessary because without the safety rules, an experiment could go wrong and cause damage or seriously injure someone.