Across
- 2. animal life
- 10. conclusion based on reasoning from evidence
- 11. way of explaining an object or event by using a set of facts
- 12. hot spring in the ocean floor
- 14. living in trees
- 15. active mainly during the day
- 19. having to do with water
- 20. refers to land
- 24. sum of all chemical processes of life
- 25. system that scientists use to pursue scientific knowledge
- 26. science of classification
Down
- 1. theory that has never been proven false
- 2. refers to aquatic environments in which water contains little in any salt
- 3. group in an experiment on which a test is performed
- 4. group in an experiment that lacks the independent variable and is used as a standard for comparison
- 5. active mainly at night
- 6. area between the highest and lowest points that the tide reaches
- 7. living thing
- 8. process in which cells produce ATP by combining nutrients with oxygen
- 9. study of living things
- 12. stable internal condition of an organism
- 13. facts
- 16. sensible explanation to a scientific problem
- 17. plant life
- 18. refers to environments in the seas and oceans which contain salt water
- 21. place within an environment where an organism lives
- 22. collections of salt water and sea life that could not escape when the tide went out
- 23. everything surrounding an organism being studied