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heat & chemical reactions

Quiz by Pam Woith

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23 questions
Show answers
  • Q1
    Most thermal energy on earth come from.......
    electric stoves.
    atomic reactions.
    the sun.
    objects moving against each other.
    30s
  • Q2
    The most commonly used temperature scale in the United States is the.....
    Kelvin scale.
    Celsius scale.
    Fahrenheit scale.
    30s
  • Q3
    As particles of matter experience more energy, the matter is ........
    expanding.
    contracting.
    having a fall in temperature.
    slowing down the motion of its particles.
    30s
  • Q4
    To keep train tracks from twisting there are.....
    metal joints between tracks.
    spaces between the tracks.
    brass joints between tracks.
    concrete joints between tracks.
    30s
  • Q5
    Scientists use the principles of expansion and contraction to make......
    a conductor.
    a thermometer.
    an insulator.
    30s
  • Q6
    Within a substance.........
    some particles move faster than others.
    all particles have the same energy.
    all particles move at the same rate.
    the particles that make up the substances do not move.
    30s
  • Q7
    An example of conduction would be........
    clay used for walls.
    layered clothing.
    ironing clothes.
    birds' feathers.
    30s
  • Q8
    The insulator that keeps a bear warm is..........
    fur.
    plastic.
    wood.
    water.
    30s
  • Q9
    Scientists use the principles of expansion and contraction to fill a thermometer with......
    iron.
    mercury.
    brass.
    water.
    30s
  • Q10
    An example of a good conductor is........
    feathers.
    wood.
    plastic.
    most metals.
    30s
  • Q11
    A polar bear's fur is an example of......
    reflection.
    convection.
    insulation.
    conduction.
    30s
  • Q12
    Freezing takes place when a substance changes form from a ........
    liquid to a gas.
    solid to a liquid.
    gas to a liquid.
    liquid to a solid.
    30s
  • Q13
    Tea can be made the quickest if you.......
    warm water quickly.
    use whole tea leaves instead of tea bags.
    add a small amount of sugar.
    use hot water.
    30s
  • Q14
    Which of these is the simplest form of matter?
    a compound
    an element
    a solution
    a mixture
    30s
  • Q15
    Water is a ........
    element.
    formula.
    reactant.
    compound.
    30s

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