Kinetic Particle Theory of Matter
Chemistry ⇒ States of Matter
Kinetic Particle Theory of Matter starts at 7 and continues till grade 12.
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See sample questions for grade 9
A sealed syringe contains air. When the plunger is pushed in, the volume decreases. Explain this observation using the kinetic particle theory.
Describe how the kinetic particle theory explains the expansion of substances when heated.
Describe the changes in particle movement and arrangement when a gas condenses to form a liquid.
Describe what happens to the arrangement and movement of particles during melting.
Describe what happens to the forces of attraction between particles as a substance changes from solid to liquid.
Describe what happens to the movement of particles when a solid is heated.
Explain why a gas has no fixed shape or volume.
Explain why gases can be compressed easily but solids cannot.
Explain why heating a liquid increases the rate of evaporation.
Explain why increasing the temperature of a gas increases its pressure, if the volume is kept constant.
Explain why liquids can flow but solids cannot, based on the kinetic particle theory.
Explain why solids have a fixed shape but liquids do not.
State the main difference in particle arrangement between a solid and a gas.
State the three main states of matter.
