Chapter 2 Key terms

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Across
  1. 7. Two or more chemically bonded atoms.
  2. 8. A fluid state of matter in which the particles are free to move but are held close to each other.
  3. 9. The force of gravitational attraction between an object's mass and it's resident planet
  4. 11. A charged atom or group of atoms caused by a charge imbalance, which produced by an unequal number of protons and electrons
  5. 12. The change of state from liquid to a gas below boiling point but above the freezing point.
  6. 15. The change in state from a liquid to a solid caused by removing energy.
  7. 18. A change of one element into another element by change ocuring in the nucleus of the atom
  8. 19. A rigid state of matter in which the particles align in a fixed arrangement.
  9. 21. The smallest neutral particle of an element that retains the characteristics of that element.
  10. 22. The change in state from a gas directly to a solid caused by removing energy
  11. 23. The change in state from a gas to a liquid caused by removing energy.
  12. 24. The measure of the amount in an object A material thing that can be seen or touched.
  13. 27. The ability to do work.
  14. 28. The change of state from a liquid to a gas at the boiling point.
  15. 30. The physical form of matter described by it's physical characteristics.
Down
  1. 1. A pure substance formed by chemically combining two or more element
  2. 2. A push or pull on an object
  3. 3. A pure substance made of only one kind of atom
  4. 4. The change instate from a solid directly to a gas caused by adding energy
  5. 5. A fluid state of matter made extremely high temperature ionized particles.
  6. 6. The change of state from solid to liquid.
  7. 7. Anything that has mass takes up space
  8. 10. The amount of space that an object occupies
  9. 13. Scientific law that states that matter and energy cannot be created or destroyed but only can transfer between objects or transform to a different form
  10. 14. A change in matter that doesn't alter its chemical identity.
  11. 16. The attractive force between any two objects based on their masses
  12. 17. A material made of only one kind of element or compound; not a mixure
  13. 20. The change in state from a liquid to a gas caused by adding energy.
  14. 25. Work is done when a force acts on a moving object in the same or opposite direction of its motion or when energy is transferred from one object to another
  15. 26. A physical combination of two or more substances.
  16. 29. A fluid state of matter in which the particles move so fast and are far apart as to have little interaction with each other.