Science Crossword Puzzle

3. Tool used to measure air pressure
6. The 17th group on the periodic table.
7. An orbital can only contain two of these.
12. The kind of potential energy that depends on mass and height
14. The unit of meters that is ten times less than a hectameter.
15. The ___ point is a temperature where a substance transforms from a solid to a liquid.
16. The type of kinetic energy caused by the vibration and movement of molecules
17. The most efficient source of energy
18. The kilometer is a member of the ____ system of measurement
20. The study of heat changes that occur during chemical reactions and changes of state.

1. The gas law that shows the relationship between pressure and volume
2. This element is the first one of the 4th period.
4. A three dimensional region around the nucleus representing the probability of finding an electron
5. The phase change between gas and solid.
8. Thegas law that shows the relationship between volume and temperature
9. Tells the shape of the electron cloud.
10. The ___ Rule tells you in which order to fill atomic orbitals with electrons
11. ___ electrons are in the outermost energy level.
13. The ability to bend
19. The physical state of a substance: can be solid, liquid, gas, or plasma