Across
- 3. Number, Number obtained using a measuring device and subject to error
- 10. Scientific study of life
- 11. Microscope, Microscope that can be used to view living specimens
- 13. Number, Number obtained by counting or definition with no uncertainty
- 14. Maintenance of stable internal conditions in an organism
- 16. Sum of all chemical processes in an organism
- 18. Data, Data expressed as numbers or measurements
- 19. Testable proposed explanation for an observation
- 20. Notation, Method of expressing very large or very small numbers using powers of ten
- 22. Information gathered using senses or scientific instruments
- 23. Microscope, Microscope that uses electrons for very high magnification
- 25. All regions of Earth where life exists
- 27. Variable, Factor intentionally changed during an experiment
- 29. Individual living thing
- 30. Molecule that stores genetic information in living things
Down
- 1. Tool used to magnify tiny objects
- 2. Basic unit of life
- 4. Variable, Factor measured to determine the effect of a change
- 5. Group of organisms that can interbreed and produce offspring
- 6. Figures, Digits in a measurement that indicate its precision
- 7. Group of interacting parts that form a whole
- 8. Condition kept the same throughout an experiment
- 9. Inherited trait that increases survival or reproduction
- 12. Well-supported explanation for a broad range of observations
- 15. Community of living and nonliving things interacting together
- 17. Variety of living organisms in an area
- 18. Data, Data based on descriptions rather than numbers
- 21. Process by which populations change over time
- 24. Curved surface of a liquid used when measuring volume
- 26. Environmental change that causes a response
- 28. Process of adjusting a number to a specified number of significant figures