Across
- 3. are composed of carbon, hydrogen and oxygen
- 5. the positive charged particle that makes up an atom
- 7. anything that occupies space and has weight
- 8. the negative charged particle that makes up an atom
- 10. means water loving
- 11. the smallest unit of matter
- 12. elements that contain different numbers of neutrons
- 14. means water hating
Down
- 1. molecule that has an uneven distribution of electrical charges
- 2. the body of knowledge based on the study of life
- 4. a statement that can be tested by additional observations and experimentation
- 6. the no charge particle that makes up an atom
- 9. science dealing with the properties and transformations of matter
- 13. carbohydrates can be simple or