Across
- 6. the arrangement of particles in a solid in repeating geometric patterns.
- 8. the temperature required to change 1 Kg of a liquid to a gas.
- 13. the smallest particle that makes up a given type of matter.
- 14. this state of matter cannot change shape or volume.(molecules tightly packed together)
- 15. an indirect measure of the average kinetic energy of the particles that make up a material.
- 16. the transfer of energy from matter at a higher temperature to matter at a lower temperature.
- 18. the temperature at which a solid turns into a liquid.
- 20. this state of matter can change its shape but not its volume.
- 22. the idea that the particles of all matter are in constant random motion.
- 23. the fastest moving particle escape from a liquid to form a gas.
- 24. the slowest moving particles in a gas slow down and form a liquid.
- 25. the temperature at which a liquid turns into a solid.
- 26. the energy of moving particles that increases as temperature increases.
Down
- 1. the combination of two or more atoms which are joined chemically.
- 2. a negatively charged particle that travels around the nucleus of an atom.
- 3. a newly discovered particle of matter that makes up protons and neutrons.
- 4. the temperature required to change 1Kg of a solid to a liquid.
- 5. the constant random motion of tiny particles of matter.
- 7. tension caused by the cohesive forces between molecules.
- 9. -273.15 C the temperature at which the particles of matter would cease to move.
- 10. an electrically neutral particle in the nucleus of an atom.
- 11. a form of matter that can change both its shape and volume.
- 12. anything that has mass and takes up space.
- 17. a solid whose molecules are randomly arranged.
- 19. a positively charged particle in the nucleus of an atom.
- 21. the temperature at which a liquid turns into a gas.