How does a hypothesis differ from a theory?
1) A hypothesis is a reasonable and testable explanation for observations. A theory, on the other hand, is a well-tested explanation of observations.
What is the scientific method?
2) The scientific method is a series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions.
Do experiments always turn out as expected? Why or why not?
3) No experiments do not always turn out as expected. Scientists' results often don't match their initial predictions. Instead of viewing this as a failure scientists analyze the results and continue on with the scientific method. Unexpected results are as important as expected results because they both provide an equal amount of information.
What is a scientific law, and how does it differ from a theory?
4) A theory is an explanation for some phenomenon that is based on observation, experimentation, and reasoning. A law is a summary of many experimental results and observations; a law tells us how something works.