Across
- 5. fourth group of classification
- 7. part of the microscope that regulates the amount of light
- 9. sixth group of classification and first word of a scientific name
- 10. a way to identify and classify living things using a series of two choices
- 12. something that is changed in an experiment
- 13. all living things respond to a __________, like a person responding to touch or a dog responding to a sound
- 14. something in an experiment that stays the same
- 16. something that goes wrong in an experiment that you cannot control
- 17. seventh group of classification and last word of a scientific name
- 19. third group of classification
Down
- 1. the theory that all living things come from other living things
- 2. all living things are _________, meaning they are made of cells which make tissues which make organs
- 3. first and largest group of classification
- 4. fifth group of classification
- 6. the lens in the eyepiece that magnifies an image 10x
- 8. second group of classification
- 11. prediction that can be tested
- 15. created the naming system known as binomial nomenclature
- 18. something that goes wrong in an experiment
- 20. language used when writing scientific names
