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CM 2 - Science Review

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  • The starting materials you mix together in an experiment
    Reactants
  • The liquid that dissolves another substance (e.g. water)
    A solvent
  • A living thing that lives inside or on another living thing
    A parasite
  • A mixture where a solute is dissolved in a solvent
    A solution
  • An organism that spreads disease (like a mosquito)
    A vector
  • The number of times your heart beats per minute
    Pulse rate
  • The new substance that is made after a reaction
    Products
  • A disease that can spread from one person to another
    An infectious disease
  • A change that cannot be undone (e.g. burning wood)
    An irreversible change
  • How fast something happens
    The rate
  • The system in your body used for breathing
    The respiratory system
  • A change that can be easily undone (like melting ice)
    A reversible change
  • A change that can be undone turning the material back to its original form (e.g. ice melting)
    A reversible change
  • When two or more things mix and change to make something completely new
    A reaction
  • The substance that dissolves (e.g. sugar)
    A solute
  • The muscle that pumps blood through the body
    The heart
  • The muscle that helps you breathe in and out
    The diaphragm
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