Across
- 4. the variable that is being tested in the experiment.
- 5. are conditions that stay the same throughout our investigations.
- 7. To know how long a table is you need to _______ .
- 8. a fair test.
Down
- 1. before you ask a question you need to make an _____ .
- 2. changes based on the independent variable.
- 3. In each experiment, scientists change only one ______ .
- 6. When scientists conduct investigations they collect _____ .