Across
- 3. when one or more physical properties change without chemical properties changing
- 6. the smallest particle of a element
- 7. the matirial that makes up our chroosones and stores our genetic information
- 9. used to predict the possible offspring fro a mating of two parents
- 10. a substance that is made when two or more elements combine
- 11. when a wave bounces back from matter they cannot pass through
- 13. the study of inheritance
- 15. the ability to combine chemically with other substances
- 17. a combination of two or more substances in any proportion
- 18. the smallest structural and functional unit of an organism
- 20. properties that can be measured when matter undrgoes a change to become completely different.
Down
- 1. a way to describe the traits we see
- 2. properties that can be measured or observed without changing the matter
- 4. a pure substance
- 5. the number of waves that pass through a point in a certain amount of time
- 8. a disturbance in matter that transfers energy
- 10. the highest point of a wave
- 12. _______=angle of reflection
- 14. the lowest point of a wave.
- 16. the monemers of protein.
- 19. when a gene slightly varieties from person to person.