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Intro to Physical Science

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  • What is the difference between mass and weight?
    Mass = amount of matter in a system Weight is the amount of pull that gravity has on mass
  • What’s the SI unit for density?
    grams per cubic cm or kilograms per cubic meter
  • What is matter?
    anything that has mass and takes up space
  • how does a exothermic reaction feel?
    Hot
  • what is the SI unit for temperature?
    Kelvin
  • what does ductile mean?
    able to be drawn into a wire
  • zero kelvin is also know as ......
    absolute zero
  • what is kinetic energy?
    energy in motion
  • What is viscosity?
    the thickness of a fluid
  • What is deposition?
    when an object turns from a gas to a solid without turning to liquid.
  • What is the boiling point of water in Celsius?
    100 degrees celsius
  • What is the boiling point of water in Fahrenheit?
    212 degrees
  • what is potential energy?
    stored energy
  • what is filtration
    separation by particle size
  • What is the si unit for mass?
    gram, Kilogram
  • What is the SI unit for length?
    Meter/Kilometer
  • what are the two parts of a solution?
    solvent and solute
  • what type of energy is food considered?
    chemical energy
  • what is the name of the compound NaCl?
    Sodium Chloride
  • What is the density formula?
    D= M/V
  • What is a fluid?
    any substance that has the ability to flow under stress or pressure
  • how does endothermic reactions feel?
    cold
  • What is distillation?
    separation by boiling points
  • a rubber band stretched out has what type of potential energy?
    Elastic
  • What does heterogeneous mean?
    Different mixture or able to easily distinguish parts
  • What is a colloid?
    middle sized particles in a solution that scatter light
  • is the color of a rose a physical property or a physical change?
    physical property
  • what class is a chicken part of?
    Aves
  • what does malleable mean?
    able to be hammered into a thin sheet
  • What is energy?
    the ability to cause change