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GRADE 8 SCIENCE REVISION

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    REVISION
  •   Study   Slideshow
  • TRUE OR FALSE: Squash is another term for compress.
    TRUE
  •  10
  • TRUE OR FALSE: When you exert a force, you cannot deform an object.
    FALSE
  •  10
  • TRUE OR FALSE: Forces can change the direction that objects are moving in
    TRUE
  •  10
  • TRUE OR FALSE: Support forces, like upthrust, are also contact forces.
    TRUE
  •  10
  • TRUE OR FALSE: Forces cannot compress or stretch objects.
    FALSE
  •  10
  • Gravity is a _______________ force.
    NON CONTACT
  •  10
  • Forces are measured in _____________ (N).
    NEWTON
  •  20
  • A ________________ is a push or a pull.
    FORCE
  •  15
  • The brakes on your bike work because of __________.
    FRICTION
  •  20
  • Using oil or grease to reduce friction is called __________.
    LUBRICATION
  •  15
  • A force that acts when two objects touch is called a __________ force
    CONTACT
  •  20
  • CONTACT OR NON-CONTACT FORCE : Friction
    CONTACT FORCE
  •  15
  • CONTACT OR NON-CONTACT FORCE : Gravity
    NON-CONTACT FORCE
  •  15
  • CONTACT OR NON-CONTACT FORCE : Magnetic force
    NON-CONTACT FORCE
  •  20
  • CONTACT OR NON-CONTACT FORCE : Air Resistance
    CONTACT FORCE
  •  20
  • CONTACT OR NON-CONTACT FORCE : Support Force
    CONTACT FORCE
  •  20