STAAR Grade 8 Science: Matter and Energy 2: Properties of Matter, Chemical Reactions, and Energy

Vocabulary.com's STAAR Grade 8 Science lists cover many of the essential terms and concepts that you'll be expected to know on test day. Boost your confidence and your test score by mastering these important words.
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Full list of words from this list:

words only definitions & notes
  1. concentration
    the strength of a solution
  2. conductivity
    the property of transmitting heat, electricity, or sound
  3. conductor
    a substance that readily serves as a medium for transmission
  4. convection
    transfer of heat caused by molecular motion in liquid or gas
  5. density
    the amount per unit size
  6. dissolve
    pass into a solution
  7. ductile
    capable of being shaped or bent or drawn out
  8. energy
    the capacity of a physical system to do work
  9. flammable
    easily ignited
  10. gas
    state of matter distinguished from solid and liquid states
  11. insoluble
    incapable of being dissolved
  12. luster
    the property of something that shines with reflected light
  13. malleable
    capable of being shaped or bent
  14. matter
    that which has mass and occupies space
  15. metal
    a chemical element or alloy that is usually a shiny solid
  16. metalloid
    a nonmetallic element that has some of the properties of metal
  17. mixture
    a substance consisting of substances blended together
  18. nonmetal
    an element that is a poor conductor and is not shiny
  19. reactant
    a substance that is altered during a chemical process
  20. reaction
    a process in which a substance is changed into another
  21. reactive
    participating in processes changing substances into others
  22. solid
    matter with definite shape at room temperature and pressure
  23. soluble
    capable of being dissolved in some solvent
  24. solution
    a homogeneous mixture of two or more substances
  25. stable
    not taking part readily in chemical change
Created on Tue Jun 15 15:52:50 EDT 2021 (updated Wed Jun 16 11:57:11 EDT 2021)

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