Across
- 3. firm and stable in shape; not liquid or fluid.
- 6. the average kinetic energy of all the atoms or molecules of that substance
Down
- 1. a substance or matter in a state in which it will expand freely to fill the whole of a container,
- 2. heat energy
- 4. is a fluid (such as water) that has no independent shape
- 5. anything that occupies space