Scientific Method: What Scientists Do

The set of steps a scientist uses to explore, understand, question, and observe the natural world around them are called the ______.

• explaining

• observation

• experiment

• scientific method

The scientific method starts with a _____.

• hypothesis

• question

• conclusion

• report

A testable question can be answered with _____,

• facts or evidence

• feelings or opinions

• thoughts or feelings

• likes or dislikes

How can you check to see if someone else has answered your question?

• make a hypothesis

• report your findings

• research your question

• analyze your data

An educated guess that answers a scientist's question and can be measured or proven by evidence is a ____.

• data

• analyze

• conclusion

• hypothesis

Students were conducting an experiment measuring the distance cars of different masses travel after rolling down a ramp. Which of the following steps should they use?

• Conduct 5 trials, with each car keeping everything else the same.

• Conduct only 1 trial with each car.

• Conduct 5 trials, using the exact same car each time.

• Conduct 5 trials, changing the height of the ramp each time.

Which of the following is a good hypothesis?

• I like chocolate, so it will be everyone's favorite flavor.

• No one will choose the color red because it is too bright.

• If a car has a mass of 10 grams, then it will travel farther than a cars with a less mass.

• The cars will go far.

The steps of the scientific process in order are___

• question, report, conclusion, research, hypothesis, experiment, collect data, analyze

• question, research, hypothesis, experiment, collect data, analyze, conclusion, report

• report, research, hypothesis, question, experiment, collect data, analyze

• hypothesis, question, research, experiment, collect data, conclusion, report, analyze

____ are factors that do not change when conducting an experiment.

• Valid variables

• Dependent variables

• Independent variable

• Controlled variables

The only factor that should change in an experiment is the ____.

• independent variable

• controlled variable

• dependent variable

• valid variable