Across
- 1. Its particles are packed tightly and vibrate on the spot
- 3. Its particles are spaced out and move fast in random directions
- 4. It takes up space and has weight
- 5. Its particles can flow over each other and are in a fixed volume
Down
- 1. The form that a substance takes - there are generally three.
- 2. Spreading of particles from an area of high concentration to low concentration