Scientific Method Pre-test

You use the scientific method all the time to solve everyday problems.

• True

• False

This step of the scientific method is an educated guess or a tentative assumption based on the prior knowledge.

• hypothesis

• conclusion

• research

• observation

Why should experiments be repeated at least 3 times?

• to show validity

• to show other people your results

• to increase reliability

• because it's fun to do Science experiments

The summary at the end of an experiment that explains the results.

• conclusion

• questions

• data analysis

• hypothesis

It is a description that involves numbers, or an amount.

• scientific skills

• quantitative observation

• qualitative observation

• hypothesis

It involves a series of steps that are used to investigate a natural occurrence

• Scientific Skills

• Scientific Method

• Experimentation

• Scientific Theory

Observations made during an experiment are called:

• questions

• problem

• data

• conclusions

Should experiments be repeated over and over to see if the results are the same each time?

• yes
• no

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.
• I don't know.