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Unit 5 Matter and forces

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  • .......................... describes if its difficult to scratch a material
    resistance
  • True or false.Forces can make objects change shape.
    true
  • Friction is a non cotact force.
    false
  • True or false.Mass is the relationship between mass and volume
    false
  • ............................... is a force which acts on an object inside a liquid.
    Buoyancy.
  • True or false.Non contact forces act from a distance.
    True
  • What it is density ?
    The relationship between the mass and volume.
  • True or false.Salt is an example of a soluble material
    true
  • ........................... is a force between objects rubbing or moving in different speeds.
    friction
  • ................................. forces are produced when one object comes in direct contact with another object.
    Contact
  • ............................ is the amount of matter something contains
    mass
  • True or false.The force of gravity is non-contact force
    true
  • true or false.Thermal conductors don´t transfer heat easily.
    false
  • ........................... describes if a material can be dissolved
    solubility
  • .................................. is a hard material which is not resistant
    plastic
  • ...................................... is an example of a soluble material
    salt
  • .............................. depends on the light a amterial reflects and absorbs.
    colour
  • ............................... describes if a material transfers heat.
    Thermal Conductivity
  • ................................ materials go through a chemical transformation.
    manufactured
  • Matter can change state . It can be ........................., ................. and .............
    gas, liquid, solid
  • True or false.Buoyancy is a contact force.
    true
  • Choose the correct word. Natural / Manufactured materials come from plants, animals or minerals.
    natural
  • True or false.Forces also produce changes in position.
    true
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