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Particle Theory

7 Questions
Particle Theory

Particle theory for grades 7 and 8

Questions and Answers
  • 1. 
    • A. 

      Little circles

    • B. 

      Air

    • C. 

      Particles

    • D. 

      Solutes

  • 2. 
    Pure substances are substances that...
    • A. 

      Are made of only one type of particle

    • B. 

      Are made of 2 types of particle

    • C. 

      Are naturally occuring

    • D. 

      Are man-made

  • 3. 
    All the particles in a pure substance are...
    • A. 

      Identical

    • B. 

      Different

    • C. 

      Mostly the same

  • 4. 
    • A. 

      The speed of the particles stay the same

    • B. 

      The speed of the particles increase

    • C. 

      The speed of the particles decrease

  • 5. 
    • A. 

      Moving only in liquids and gases

    • B. 

      Moving only in gases

    • C. 

      Moving in solids, and liquids

    • D. 

      Moving in solids, gases and liquids

  • 6. 
    • A. 

      Particles in gases

    • B. 

      Particles in gases, liquids and solids

    • C. 

      Particles in gases, and liquids

  • 7. 
    Rank in order from smallest to largest, the spaces between the particles in the states of matter
    • A. 

      Gases, liquids, solids

    • B. 

      Liquids, solids, gases

    • C. 

      Solids, liquids, gases

    • D. 

      Solids, gases, liquids

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