Across
- 6. Variable measured in an experiment (results).
- 8. Gas changes to a liquid.
- 9. Variable controlled by experimenter.
- 10. Testable prediction to your problem.
- 12. Water evaporates directly off of plant's leaves
- 15. Data or info collected during an experiment.
- 16. All the energy in the food chain starts with this.
- 17. Water soaks into ground.
Down
- 1. Organism that breaks down dead material.
- 2. Both organisms benefit in this relationship.
- 3. (+, -) Relationship
- 4. Dead organic material.
- 5. Percentage of energy transferred to next trophic level.
- 7. Liquid changes to a gas.
- 11. Most of freshwater is frozen in these.
- 13. Snow, sleet, hail, rain
- 14. Water flows over land from high to low elevation.