Mr.Daniel's Science Test

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  1. A characteristic that you can observe without changing the composition of the substance.
    • Physical property
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  2. A chemical reaction that releases energy in the form of heat.
    • Exothermic reaction
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  3. A chemical reaction which absorbs energy
    • Endothermic reaction
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  4. Characteristic that cannot be observed without altering the substance.
    • Chemical property
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  5. A change in which substances are changed into different substances.
    • Chemical change
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  6. A change in which the form or appearance of matter changes but not its composition.
    • Physical change
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  7. Signs that a chemical change has occurred:
    • color change
    • temperature change
    • odor change
    • gas change
    • bubbling
    • fizzing
    • change in state
  8. The smallest particle of an element
    • Atom
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  9. The simplest type of pure substance. EX: hydrogen, oxygen, carbon
    • Element
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  10. The positively charged particle of an atom.
    • Proton
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  11. The negatively charged particle of an atom
    • Electron
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  12. The neutral particle found in an atom
    Neutron
  13. A system used for organizing elements into categories based on how they react.
    The Periodic Table
  14. 2 or more elements chemically combined. EX: water, carbon dioxide
    Compound
  15. Number placed to the lower right of a chemical symbol to indicate the number of atoms of the element in the compound.
    • Subscript
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  16. The number of protons in the nucleus of an atom.
    Atomic number
  17. Shorthand method of representing elements.
    Symbol
  18. The sum of the protons and neutrons in the nucleus of an atom.
    Atomic mass
  19. Sour taste
    (chemical/physical)
    chemical
  20. Rust
    (chemical/physical)
    chemical
  21. Flammable
    (chemical/physical)
    chemical
  22. Magnetic
    (chemical/physical)
    Physical
  23. Tearing paper
    (chemical/physical)
    Physical change
  24. wax melting
    (chemical/physical)
    physical
  25. burning a candle
    (chemical/physical)
    chemical
Author:
littlegremblin
ID:
67225
Card Set:
Mr.Daniel's Science Test
Updated:
2011-02-18 05:39:34
Tags:
science physical changes chemical changes protons neutrons atoms electrons bi
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Description:
SLMS ALL STAR TEAM'S Mr. Daniels' Science test study guide.
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