Across
- 2. how far something is
- 5. lowest something is or can be
- 7. the branch of science that deals with the identification of the substances of which matter is composed
- 9. a compound that produces OH-ions or electrons in water or that accepts protons
- 11. has a pH less than 7
- 12. an element with the symbol C
- 15. send something into the air
- 16. useable power such as heat or electricity
- 17. basic unit of matter
- 19. show variation on a graph
- 22. the substances that combine in a chemical reaction
- 23. a substance made from a chemical reaction
- 24. make something
Down
- 1. a chemical reaction between a fuel and oxygen
- 2. degree of compactness of a substance
- 3. twp or more substances combining to form a new substance
- 4. where all mankind live
- 6. the movement of particles from an area of higher concentration to one of lower concentration
- 8. the scientific understanding of how the universe formed
- 10. the state of the atmosphere outside
- 11. figure formed by two lines
- 13. anything having mass and taking up space
- 14. how hot or cold something is
- 18. highest something is or can be
- 20. make something
- 21. how fast or slow something is