Chemical Reactions and Matter

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Across
  1. 3. this process occurs when atoms and molecules are rearranged and form one or more new substances
  2. 5. this state of matter that has a fixed shape and volume
  3. 6. the process occurs when a substance's appearance is altered, but the substance is not changed
  4. 8. the simplest particle of matter
  5. 9. this type of system allows matter to enter and exit
  6. 14. the right side of the arrow in a chemical equation
  7. 15. this can never be created or destroyed
  8. 16. this state of matter takes the shape of its container but has a fixed volume
  9. 17. this type of reaction absorbs heat and causes the surroundings to get colder
  10. 18. the big number in a chemical equation which tells us how many molecules we are working with
  11. 19. this state of matter takes the shape and volume of its container
Down
  1. 1. the small number in a molecular formula which tells us how many atoms are in a molecule
  2. 2. two or more atoms chemically bonded together form this
  3. 4. this property describes how a substance interacts with fire
  4. 6. ____________ of matter; these help us identify something unknown
  5. 7. atoms and molecules do this in a chemical reaction
  6. 10. this type of reaction releases heat and causes the surroundings to get hotter
  7. 11. this unit's anchoring phenomenon
  8. 12. this term refers to how much matter is in a given space
  9. 13. this type of system is sealed, so matter cannot leave or enter and mass stays the same
  10. 18. the gas coming from the bath bomb when dropped in water