FeaturesHow It WorksFor ParentsPricingContactLog inStart free — no credit card needed →

Physics · Unit 1 · Heating processes · Kinetic particle model and specific heat capacity

Describe the kinetic particle model of matter.

Practise this objective

AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.

Start free practice

Practice questions for this objective

Full questions, answers and worked solutions unlock when you start a free practice session.

Question 1

A sealed container holds a gas at constant temperature. The average speed of the gas particles is measured, and then the temperature is increased while the volume remains fixed. Which conclusion about the kinetic particle model is best supported by the observed increase in pressure?

Worked answer
🔒 Start free to see full answer
Question 2

Three sealed containers, each holding the same mass of water at different temperatures, are shown in the diagram below. Which statement best explains the difference in particle behaviour across the three states?

Worked answer
🔒 Start free to see full answer
Question 3

Which feature of the kinetic particle model best explains why the pressure exerted by a gas increases when the volume of its container is halved at constant temperature?

Worked answer
🔒 Start free to see full answer
Question 4

Three containers each hold a different state of the same substance at different temperatures. The diagrams show particle arrangements at a given instant. Which container holds the substance in the liquid state?

Worked answer
🔒 Start free to see full answer
Question 5

Which option best describes a key feature of the kinetic particle model when applied to gases at constant temperature?

Worked answer
🔒 Start free to see full answer
Unlock all 5 answers — free

More in Kinetic particle model and specific heat capacity

← Previous
Describe the concepts of thermal energy, temperature, kinetic energy, heat and internal energy.
Next →
Explain heat transfers in terms of conduction, convection and radiation.
All LOs in Kinetic particle model and specific heat capacityBack to full Physics syllabus