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Matter

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  • the ability of matter to dissolve in something else
    solubility
  • Why is mixing Coca-cola and mentos and example of a physical change?
    Because no new substance is produced. CO2 is already present in the soda.
  • For a liquid to become a solid, heat energy needs to be: added or removed?
    Removed! The temperature needs to be colder.
  • Which property could help you identify between aluminium and iron?
    Magnetism. Iron is magnetic, aluminium isn't.
  • What property of plastic makes it a good choice for the pot handle?
    It doesn't conduct heat.
  • A change in matter that involves a change in a physical property but doesn't create a new substance
    Physical change
  • Physical or chemical change?
    physical
  • This type of change results in a new substance and can't be reversed.
    Chemical change
  • the amount of space that an object takes up
    Volume
  • Matter in this state has a fixed shape and volume, and can't be compressed.
    Solid
  • Why is an inflated balloon heavier than an empty balloon?
    It has air/gas inside of it.
  • When something burns it is which of these: physical or chemical?
    Chemical
  • When heat is added to a solid, it becomes this state of matter
    liquid
  • Matter is made of _________ that are too small to be seen.
    particles
  • Which property determines if something will float or sink?
    Density
  • Name the 3 states of matter
    Liquid, solid, and gas.
  • What happens to the particles of a liquid when we add heat energy?
    the particles move faster and spread more, it turns into a gas.
  • Everything that has weight and takes up space
    matter
  • Color, density, magnetism, heat conduction, texture, hardness are examples of physical or chemical properties?
    Physical Properties of matter
  • Particles are always moving. True or False?
    True, depending on the amount of energy they have some move faster than others.
  • Flammability and reactivity are examples of chemical properties of matter. T or F?
    True
  • The smallest possible unit of matter.
    Particles (atoms)
  • the characteristics that we use to describe matter. For example: color, texture, magnetism, etc
    Properties
  • The spoiling of milk is an example of which type of change?
    chemical
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