10. Directions: Select each correct answer. More than one answer may be correct.
Which of the following is a characteristic of an observational scientific investigation?

It usually contains an independent variable that is manipulated during the investigation.
It is designed to test a prediction about how one thing changes in relationship to another.
It generally contains a control group, which is used to compare to the results.
It is designed to create a hypothesis from evidence that was gathered using the senses.
It begins with a scientific question.

Question

10. Directions: Select each correct answer. More than one answer may be correct.
Which of the following is a characteristic of an observational scientific investigation?

   It usually contains an independent variable that is manipulated during the investigation. 
   It is designed to test a prediction about how one thing changes in relationship to another.
   It generally contains a control group, which is used to compare to the results.
   It is designed to create a hypothesis from evidence that was gathered using the senses.
   It begins with a scientific question.