Across
- 2. Phototropism is an example of which characteristic of life?
- 5. Limitation of Scientific method
- 7. study of living things
- 8. One change in experiment
- 12. the factor the researcher changes or controls in an experiment
- 13. An educated guess
- 14. Sum of all chemical reactions
Down
- 1. without this characteristics organisms become extinct
- 3. how plants produce their food
- 4. when experiment is repeated
- 5. Removal of waste
- 6. Neither tester or person being tested knows details
- 9. First step in the scientific method
- 10. Something to compare experiment results to
- 11. Living things are composed of these