Across
- 2. any living thing
- 5. a logical answer to a question based on data and observation
- 8. standard to which the outcome of a test is compared
- 10. a statement about how things work in nature that seems to be true all the time
- 13. the largest category used to organized organisms
- 15. something in an experiment that the scientist can control, what is being tested
- 16. the theory that living things only come from other living things
- 18. a series of procedures scientists use to solve problems
- 20. the things that remain the same in an experiment
Down
- 1. an organisms ability to keep the proper conditions inside no matter what is going on outside the organism
- 3. the two word naming system that gives all living things their scientific name
- 4. changes based on the independent variable
- 5. the smallest unit of an organism that carries on the functions of life
- 6. a response to a stimulus
- 7. how an organism has changed over time, the evolutionary history of an organism
- 9. something in an experiment that can change
- 11. the idea that living things come from nonliving things
- 12. an explanation that can be tested
- 14. the first word of the two word scientific name used to identify a group of similar species`
- 17. anything that causes some change in an organism
- 19. an explanation of things or events based on scientific knowledge that is the result of many observations or experiments
