Energy and Matter: L1 Particles in Motion

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Across
  1. 3. To come together with direct impact​.
  2. 4. The amount of matter in an object.
  3. 5. Movement in all directions and at different speeds​.
  4. 8. A small unit of matter​.
  5. 11. The amount of space something fills​.
  6. 12. Anything that has mass and takes up space​.
  7. 14. Related to heat​.
  8. 15. The decrease in a material’s volume when particle motion decreases​.
  9. 16. Motion energy​.
  10. 18. A quality or feature of something​.
  11. 19. The movement of particles from an area of higher concentration to an area of lower concentration​.
Down
  1. 1. On this scale, water freezes at 32° and boils at 212°​.
  2. 2. The measure of the average kinetic energy of the particles in a material​.
  3. 6. The increase in a material’s volume when particle motion increases​.
  4. 7. On this scale, water freezes at 0° and boils at 100°​.
  5. 9. The study of heat​.
  6. 10. To become smaller​.
  7. 13. The ability to cause change​.
  8. 17. To spread out​.