Across
- 2. an explanation of how a process or event is thought to occur.
- 7. a factor that affects how a system works.
- 8. involves collecting data on different populations or under different condition to make a comparison.
- 11. a group of objects,effects, and variables that are related.
- 12. variable the variable you change in a experiment.
Down
- 1. the variables you keep the same in a experiment.
- 3. method a process used by scientists to find answers to questions.
- 4. investigation involves designing a test in which variables are changed,controlled,and measured in order to support or refute a relationship between two variables
- 5. controlled test to determine if a hypothesis is supported or refute.
- 6. describe evidence that documents what actually happened or what exists as exactly as possible
- 9. describe evidence that can be seen independently by others if they repeat the same experiment or observation in the same way.
- 10. investigation involves describing and/or quantifying parts of a natural system.