Across
- 2. a group of energy rich compounds that are made from carbon, hydrogen, and oxygen
- 3. transforms chemical energy to electrical energy
- 4. Elements in the first group of the periodic table
- 6. one or two or more number lines that form a graph
- 7. number of protons in the nucleus of an atom
- 8. 9.8 pull of ____on the earth
- 10. forces result in a zero net force on an object
- 12. Rate at which velocity changes
- 15. Amount that a cycle moves away from equilibrium
- 16. measure of the upward force that a fluid exerts on an object that is submerged
Down
- 1. the oscillation between two sounds thqt are close in frequency
- 3. a chemical compound that consists of two elements
- 5. Acids are the building blocks of proteins
- 6. unit of electric current
- 9. Laye of gases that surrounds a planet
- 11. How close a measurement is to a true value
- 12. Solution of two or more solids
- 13. smallest particle of an element
- 14. electrical current that reverses direction
- 16. tendency to crack or break