Question

Scientists write down every detail of an experiment.

A. so they can do the experiment many times and compare the results.
B. because they don't take any pictures.
C. because they always need to change their hypothesis.
D. so they can leave the experiment alone to run itself.

Answer 1

A good procedure is so detailed and complete that it lets someone else duplicate your experiment exactly! Repeating a science experiment is an important step to verify that your results are consistent and not just an accident.