Science - Matter

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  1. What is matter?
    Matter is anything that takes up space and has mass
  2. List the three types of matter
    Solids

    Liquids

    Gases
  3. Describe the Particle Theory of Matter
    Matter is made up of tiny particles

    The particles of matter are always moving

    The particles of matter can be held together by very strong forces

    There are empty spaces between the particles of matter

    The particles that one substances is made of are different to the particles of other substances

    Heat energy affects how much the particles move.  The more heat the more the particles move
  4. State a property of solids
    Have a fixed mass

    Have a fixed shape

    Have a fixed volume

    Cannot be easily compressed

    Particles cannot flow
  5. State a property of liquids
    Have a fixed mass

    Have no fixed shape

    Have a fixed volume

    Cannot be easily compressed

    Particles can flow
  6. What is viscosity?
    This is used to describe the flow rate of a liquid
  7. State a property of gases
    Has a fixed mass

    Has no fixed volume

    Has no fixed shape

    Particles can flow

    It can be easily compressed
  8. What is compression?
    This happens when particles are forced closer together to make them fit into a smaller space
  9. What is diffusion?
    This is the spreading out of particles to fill the space they are in

    It is the movement of particles from an area of high concentration to an area of low concentration
  10. What is melting?
    This is when a solid changes into a liquid
  11. What is meant by the melting point?
    This is the temperature a substance melts at
  12. State the melting point of ice
    00C
  13. Explain evaporation
    This is changing a liquid into a gas
  14. What is meant by the boiling point?
    This is the temperature at which a liquid changes to a gas
  15. State the boiling point of water
    1000C
  16. Explain condensation
    This is changing a gas into a liquid
  17. Explain freezing
    This is changing a liquid into a solid
  18. State the freezing point of water
    00C
  19. Explain sublimation
    This is when a substance is heated and they do not melt but turn straight into a gas

    They do not form a liquid
  20. What is a property?
    This is a feature and behaviour of a material
  21. What is a physical property?
    This is something you can observe without changing the substance eg. colour, smell and texture
  22. What is a chemical property?
    This is the way that a material reacts with other materials and new substances are made eg. rusting
  23. What is meant by absorbent?
    This means that the material is able to soak up liquid easily
  24. What is meant by elastic?
    This means that the material can stretch and then return to shape
  25. What is meant by flexible?
    This means that the material can bend without breaking
  26. What is meant by transparent?
    This means that you can see through the material
  27. What is meant by strong?
    This means that the material cannot be broken easily
  28. What is meant by the carbon footprint?
    This is the total greenhouse gas emissions caused by an organisation, event, product or individual
  29. What is meant by an emission?
    This is any substance that is released into the air (atmosphere)
  30. What is meant by recycling?
    This means taking an unwanted object and reusing the materials it is made of

    Paper, glass, metal and plastic can all be recycled
  31. What is a physical change?
    This is when matter changes shape or state but no new substance is formed eg. melting and boiling

    It is easy to reverse (change back)

    There is no change in mass
  32. What is a chemical change?
    This is when a new substance is formed eg. rusting

    It is not easy to reverse (change back)

    There is no change in mass
  33. State the Law of Conservation of Mass
    The Law of Conservation of Mass states that matter cannot be created or destroyed but can change from one form to another

Card Set Information

Author:
mshowley
ID:
149985
Filename:
Science - Matter
Updated:
2016-12-21 22:42:09
Tags:
Matter
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Description:
Matter
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