READY Workbook--Ch. 4 & 5 P. 45-47 & 49-54

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Across
  1. 7. When a solid goes directly to a gas (Ch. 5)
  2. 8. A _____ change happens when one substance changes into another substance (Ch. 5)
  3. 11. Solids, liquids, and gases are called _______ of matter (Ch. 5)
  4. 14. Chemical changes are usually not this? They cannot simply be changed back to the way they were (Ch. 5)
  5. 15. Some examples of chemical changes are pH, toxicity, flammability, reactivity, and this? (Ch. 5)
  6. 18. Properties that are measured using numbers (Ch. 4)
  7. 19. If an ice cube melts in your hand to liquid, this is an example of a physical change. True or False (Ch. 5)
  8. 21. When a gas goes directly to a solid--like snow in the winter (Ch. 5)
Down
  1. 1. A chemical property that has the ability to burn in the presence of oxygen (Ch. 5)
  2. 2. Color, odor, texture, magnetism, conductivity, or states of matter are all examples of ________ properties (Ch. 5)
  3. 3. Describes how much matter is in an object (Ch. 4)
  4. 4. A word that describes anything that has mass and takes up space (Ch. 4)
  5. 5. If you were to take a chair and break it apart into many pieces; then pile up the parts, it's mass would be the same as if the chair was in one piece. This is an example of the Law of ________ of Matter (Ch. 4)
  6. 6. When properties are described in words as descriptions (usually drawn from your 5 senses) Ch. 4
  7. 9. When two or more substances combine physically, it is called a ____________ (Ch. 5)
  8. 10. If a substance fizzes or heat or light is produced, then a chemical _____ has occurred (Ch. 5)
  9. 12. When a solid is mixed into a liquid and disappears, we say the solid has dissolved. The result is a __________ (Ch. 5)
  10. 13. The total mass of all objects is equal to the ______ of the mass of its parts (Ch. 4)
  11. 16. A physical property is anything that can change without changing the true ________ of the substance that we are observing (Ch. 5)
  12. 17. Which physical state of matter is made up of closely-packed atoms or molecules? Solids or Liquids (Ch. 5)
  13. 20. The temperature at which a liquid becomes a gas is called the _______ point (Ch. 5)