FCMS 1st Semester Exam Review

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

• dependent variable
• independent variable
• data
• control group

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

The factors in an experiment that can be changed. 

• variables
• quantitative data
• hypothesis
• steps

Would Tony Stark (Iron man) agree with the statement "Experiments should be repeated over and over to see if the results are the same each time"?

• yes
• no

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

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

• conclusion
• procedures
• materials
• responding variable

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

How many manipulated variables does an experiment have?

• 0
• 1
• between 1 and 5
• as many as needed

"I saw a Cheetah!!!" ... is an example of a

• hypothesis
• conclusion
• theory
• observation

The name of the information that you get from your experiment (you organize it into charts and graphs).

• observations
  conclusion
• data
• variables
• hypothesis