| Answer | Crossword Clue |
|---|---|
| GAS | One of the three states of matter |
| GAS | One of the states of matter |
| SOLID | One of the four states of matter |
| tetrapod | object, as a caltrop, having four projections radiating from one central node, with each forming an angle of 120┬░ with any other, so that no matter how the object is placed on a relatively flat surface, three of the projections will form a supporting tri |
| HALOGENS | Only group with elements in all three states of matter at room temperature |
| LIQUID | One of three states |
| IDAHO | One of three Hells Canyon states |
