7th Grade Chapter 1 Vocab

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Across
  1. 5. made of two or more substances that are together in the same place but their atoms are not chemically bonded
  2. 9. characteristic of a substance that can be observed without changing it into another substance
  3. 12. amount of matter in an object
  4. 13. amount of space that matter occupies
  5. 14. a change in the matter that produces one or more new substances
  6. 15. formula shows the elements in the compound and the ratio of atoms
  7. 16. measure of how hot or cold something is
  8. 18. chemical change that occurs when fuels, such as natural gas, candle wax, or wood, burns in the air
  9. 21. single kind of matter that is pure
  10. 23. is a characteristics that belongs to a person or thing
  11. 24. energy stored in the chemical bonds between atoms is a form of energy
  12. 25. substance made of two or more elements that are chemically combined in a set ratio
  13. 29. you can usually see the different parts and they can be easily separated out
  14. 31. tells you the relationship between two or more things
  15. 32. ability to do work
Down
  1. 1. characteristic of a substance that describes its ability to change into different substances
  2. 2. alters the form or appearance of matter but does not turn any substance in the matter into a different substance
  3. 3. releases energy
  4. 4. material that is not mixed together with any other matter
  5. 6. group of two or more atoms held together by chemical bonds
  6. 7. system used to measure the properties of matter
  7. 8. a force of attraction between two atoms
  8. 10. change in which the energy is absorbed
  9. 11. so evenly mixed that you can't see the different parts, difficult to separate
  10. 17. a substance that cannot be broken down into any other substance by chemical or physical means
  11. 19. of conservation of mass law that matter is not created or destroyed
  12. 20. the study of matter and how matter changes
  13. 22. the basic particle from which all elements are made
  14. 26. anything that has mass and takes up space
  15. 27. measure of the mass of a material in a given volume
  16. 28. a measure of the force of gravity on you
  17. 30. energy the total energy of the motion of all of the particles in an object