Grade 8 Science Exam Study Guide

95 Questions | Total Attempts: 201

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Science Quizzes & Trivia

Unit A-E A- Mix and Flow of Matter B- Cells and Systems C- Light and Optics D- Mechanical Systems E- Fresh and Salt Water Systems


Questions and Answers
  • 1. 
    Unit A If you tried to compress a solid, liquid and a gas, ____________ would be the easiest to compress.
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

  • 2. 
    Hazard Symbol: Yellow Triangle
    • A. 

      Danger

    • B. 

      Caution

    • C. 

      Warning

  • 3. 
    Hazard Symbol: Orange Diamond
    • A. 

      Warning

    • B. 

      Danger

    • C. 

      Caution

  • 4. 
    Hazard Symbol: Red Octagon
    • A. 

      Warning

    • B. 

      Caution

    • C. 

      Danger

  • 5. 
    Define: Fluid
    • A. 

      Anyhing that has no fixed shape and can flow

    • B. 

      Anything that has a fixed shape and can flow

    • C. 

      Anything that can flow

  • 6. 
    ____________ & ____________ are forms of matter that will take the shape of their container
    • A. 

      Solid & Gas

    • B. 

      Liquid & Solid

    • C. 

      Liquid & Gas

  • 7. 
    Define: Slurry
    • A. 

      A mixture of gas and liquid

    • B. 

      A mixture of liquid and solids

    • C. 

      A mixture of solids and gas

  • 8. 
    Define: Pure Substance
    • A. 

      Looks like one substance but more

    • B. 

      More than one type of substance

    • C. 

      Made up of one type of substance

  • 9. 
    Define: Mechanical Mixture
    • A. 

      Made up of one type of substance

    • B. 

      Made up of more than one type of substance

    • C. 

      Looks like one type of substance but more

  • 10. 
    Define: Solution
    • A. 

      Looks like one type of substance but more

    • B. 

      More than one type of substance

    • C. 

      Made up of one type of substance

  • 11. 
    Define: Colliod
    • A. 

      Homogeneous Mixture

    • B. 

      Cloudy Mixture

    • C. 

      Heterogeneous Mixture

  • 12. 
    Define: Solute
    • A. 

      The substance doing the dissolving

    • B. 

      The substance being dissolved

  • 13. 
    Define: Solvent
    • A. 

      The substance doing the dissolving

    • B. 

      The substance being dissolved

  • 14. 
    The four main parts of the particle model matter are....
    • A. 

      All matter is made up of tiny particles They never move They have space between them They are attracted to each other

    • B. 

      They are always moving They have space between them They can bounce off each other

    • C. 

      All matter is made up of tiny particles They are always moving They have space between them They have space between them

  • 15. 
    Particles move the slowest in a ____________ and quickest in a ____________
    • A. 

      Slowest in a liquid, Quickest in a Solid

    • B. 

      Slowest in a Gas, Quickest in a liquid

    • C. 

      Slowest in a Solid, Quickest in a Gas

  • 16. 
    Heating a material will ___________ particle motion
    • A. 

      Increase

    • B. 

      Decrease

  • 17. 
    Define: Viscosity
    • A. 

      A Solid's internal resistance

    • B. 

      A Liquid's internal resistance

    • C. 

      A Gas's internal resistance

  • 18. 
    As temperature ____________ viscosity ___________
    • A. 

      Increases viscosity Decreases

    • B. 

      Decreases viscosity equals

  • 19. 
    Define: Buoyant Force
    • A. 

      Tendancy of an object to float

    • B. 

      Force acting on an object upward in a fluid

    • C. 

      When a diver floats suspended in water

  • 20. 
    Define: Buoyancy
    • A. 

      When a diver is suspended in water

    • B. 

      A force acting on a object upward in a fluid

    • C. 

      Tendancy of an object to float when placed in a fluid

  • 21. 
    Define: ___________ is when a diver is suspended in water when the force of gravity equals the buoyant force
    • A. 

      Neutral Buoyancy

    • B. 

      Buoyancy

    • C. 

      Buoyant force

  • 22. 
    An object will sink when....
    • A. 

      Gravity is less than the buoyant force

    • B. 

      Gravity is greater than the buoyant force

  • 23. 
    Define: Plimsoll Line
    • A. 

      Where a ship is to be loaded

    • B. 

      How heavy a ship is to be loaded

    • C. 

      Where a ship is to be stopped

  • 24. 
    The "Bends" occurs when.....
    • A. 

      A diver accesends to quickly in the ocean

    • B. 

      A diver rises to quickly in the ocean

  • 25. 
    Unit B When a  loud noise makes you jump, this is an example of a _________ _________
    • A. 

      Loud Noise :D

    • B. 

      Nervous System

    • C. 

      Stimulus Response

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