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Eighth Grade (Grade 8) Kinetics and Equilibrium Questions

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Grade 8 Kinetics and Equilibrium
Liquids have enough kinetic energy to have a fixed shape.
  1. True
  2. False
Grade 8 Kinetics and Equilibrium
The decrease in volume of matter when matter is cooled is                .
  1. contraction
  2. density
  3. dissolving
  4. energy
Grade 8 Kinetics and Equilibrium
The average kinetic energy of the particles in matter is its
  1. density.
  2. temperature.
  3. heat.
Grade 8 Kinetics and Equilibrium
To change a gas to a liquid, you need to                 the amount of energy.
  1. increase
  2. decrease
  3. keep the same
  4. hydrolyze
Grade 8 Kinetics and Equilibrium

This question is a part of a group with common instructions. View group »

What phase of matter do particles collide frequently, move independently of one another, and are separated with no regular arrangement?
  1. solid
  2. liquid
  3. gas
  4. plasma
Grade 8 Kinetics and Equilibrium
Which of the following is the same as the freezing point of an object?
  1. its melting point
  2. its boiling point
  3. its sublimation point
  4. its evaporation point
Grade 8 Kinetics and Equilibrium
Which of the following is NOT true?
  1. Particles move differently depending on state.
  2. Energy must be added or removed to change state.
  3. Particles have the same amount of energy in different states.
  4. Particles have different amounts of energy in different states.
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