| A | B |
|---|
| What is the name for the step-by-step procedure that scientists use to seek the answers to their questions? | scientific approach |
| After identifying the problem, what is the next step in the scientific approach? | collect information |
| After collecting information, what is the next step in the scientific approach? | form a hypothesis |
| After forming a hypotheis, what is the next step in the scientific approach? | test the hypothesis |
| What is the part of the experiment that causes the changes in the experiment? | the variable |
| What is the part of the experiment that is without the variable? | the control |
| Why does a good experiment have a control? | to compare the changes that occur |
| What type of observation is gathered using body senses? | qualitative observations |
| What type of oberservation is gathered using numbers? | quantitative observations |
| In an experiement, what do you call the group that has the variable? | experimental group |
| What kind of experiment is it called when neither the experimenter nor the subjects know who has the variable? | double blind study |
| What do you call a variable with no known effect that changes the results of the experiment due to people’s psychological powers? | a placebo |
