| Question | Answer |
|---|---|
| What is a descriptive investigation? | It is an investigation where you describe what is observed. |
| What is a comparative investigation? | It is an investigation where you collect data about 2 or more items and compare them. |
| What is an experimental investigation? | It is an investigation where you use variables to test a hypothesis and study the problem. |
| What is an independent variable (IV)? | It is the variable being changed by the scientist. |
| What is a dependent variable (DV)? | It is what changes in response to the IV. |
| What axis does the IV go on? | X |
| What axis does the DV go on? | Y |
| How do you find density? | Mass divided by volume. |
