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  1. Anything that has mass and takes up space.matter
  2. A change in form or appearance, but the substance stays the same. physical change
  3. Movement of air caused by differences in air pressure.wind
  4. Ability of a material to bend without breaking.flexibility
  5. Property of shiny metals that makes them bounce back light or heat.reflectivity
  6. A property describing how easily something can be scratched.hardness
  7. A change where a new substance is formed, usually irreversible.chemical change
  8. Ability of a material to resist high temperatures.heat resistance
  9. The property of being attracted to magnetsmagnetism
  10. A change that cannot be undoneirreversible
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