Unit 1 Vocabulary Words - Aman Sherefa

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Across
  1. 4. contains a variety of elements and compounds that are not chemically combined with each other
  2. 5. a chemical reaction in which the energy is released to the surroundings
  3. 6. made up of different kind of atoms chemically combined
  4. 9. mixture has a uniform composition throughout the mixture
  5. 10. made up of one or more of the same kind of atom chemically combined
  6. 12. Anything that has mass and takes up space
  7. 14. property characteristic of a substance can be observed without changing the identity.
  8. 15. of conversation of mass the law that states that mass cannot
Down
  1. 1. substance is a substance that has definite physical and chemical properties
  2. 2. amount of gravitational force in an object
  3. 3. mixture doesn't have uniform composition throughout the mixture
  4. 5. a chemical reason that needs an energy input
  5. 7. the amount of space an object occupies
  6. 8. created or destroyed in ordinary chemical and physical change.
  7. 11. the amount of matter in an object
  8. 13. property ability of a substance to change into a new substance