The Scientific Method

hypothesis

A ____ is a possible explanation or answer to a question. a. hypothesis c. theory b. prediction d. variable

the scientific method.

When finding the correct answers to a question or problem, scientists use a. the scientific method. c. their creativity. b. their imagination. d. All of the above

Testable

A good question has to be ___________________. a) True b) Testable c) Always wrong d) Always correct

prediction

A(n) ____ is a statement of cause and effect that can be used to set up a test for a hypothesis. a. prediction c. conclusion b. premonition d. observation

publish the results so that other scientists can learn from you.

After concluding that your tests support your hypothesis, you should a. keep it secret so that no one steals your idea. b. publish the results so that other scientists can learn from you. c. wait around to see if anyone else discovers the same thing. d. None of the above

All of the above

After finding out that carbon dioxide is increasing in the atmosphere, what would be a good question to experiment? a) What is causing the increase in carbon dioxide in the atmosphere? b) What other greenhouse gases are increasing? c) How is the increase in carbon dioxide going to affect our earth? d) All of the above

test your hypothesis.

After forming a hypothesis, you should a. test your hypothesis. c. analyze the results. b. ask a question. d. draw conclusions.

do the same experiment many times.

In order to be certain about the conclusions of an experiment, scientists should a. keep the number of samples in both the control group and the experimental group small. b. do the experiment only once. c. have many more individuals in the experimental group than in the control group. d. do the same experiment many times.

What is the age of our planet?

Which of these questions is a good scientific question? a) How many angels can dance on the head of a pin? b) What is the age of our planet? c) How many ghosts are there in the room? d) Can psychics help you win the lottery every time?

I won the lottery because I wanted it to happen

Which one of these statements does not lead to a good question for the scientific method? a) The amount of carbon dioxide in the air is increasing b) Oranges are sour c) The earth is old d) I won the lottery because I wanted it to happen

All of the above

Why do scientists use the scientific method? a) To ensure that experiments are done properly. b) So that other scientists can duplicate the experiment. c) To support a theory without question or bias d) All of the above

The scientific method

_______________________ is a means of investigating a testable question using empirical information gathered from experiments, experience, or observations a) A questions b) A test c) A lesson d) The scientific method