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Unit 13 Review
| Question | Answer |
|---|---|
| ______________________ data is a description of an object - ex.color or shape | qualitative |
| _______________________ data is numbers collected in an experiment - ex. height of a plant | quantitative |
| Graph that shows changes over time | line |
| Graph that shows percentages or parts of a whole | circle or pie |
| Graph that compares data - ex. How many people in class have birthdays each month | bar |
| _________ _____________ is used to show similarities and differences | Venn diagram |
| The _____________ variable is also called the manipulated variable and it is the variable that a scientist changes. | independent |
| The _____________ variable is also called the responding variable and it is what is being tested or measured | dependent |
| __________ are factors that remain the same for all items in the experiment | constants |
| The ___________ is the group that is used for comparison and is not subjected to the independent variable | control |
| A _______________ is an educated guess that explains a set of observations. | hypothesis |
| Why is the scientific method used? | To get reliable results. Only one variable is tested at a time to determine its effect. |
| Why is it important to take accurate measurements? | To have accurate data to form your conclusion. |