Phase Changes and Kinetic Theory Flashcards
15 Questions
100 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does the kinetic theory of matter state?

Molecules are always moving.

How do we measure kinetic energy in a material?

With a thermometer as temperature.

Heat and temperature are the same.

False

What does Brownian motion describe?

<p>How visible particles are seen moving due to invisible particles bumping into them.</p> Signup and view all the answers

What are the characteristics of a solid?

<p>Has definite volume and shape, with molecules packed tightly and moving slowly.</p> Signup and view all the answers

What defines a liquid?

<p>Has definite volume but not shape, with loosely packed molecules that can flow.</p> Signup and view all the answers

What is a gas?

<p>Matter that has no definite volume or shape, with rapidly moving molecules.</p> Signup and view all the answers

What is melting?

<p>The change from solid to liquid.</p> Signup and view all the answers

What is freezing?

<p>The change from liquid to solid.</p> Signup and view all the answers

What is vaporization?

<p>The change from liquid to gas.</p> Signup and view all the answers

What is evaporation?

<p>Vaporization from the surface of a liquid.</p> Signup and view all the answers

What is boiling?

<p>Vaporization from within and from the surface of a liquid.</p> Signup and view all the answers

What is condensation?

<p>The change from gas to liquid.</p> Signup and view all the answers

What is sublimation?

<p>The change from solid to gas.</p> Signup and view all the answers

What is deposition?

<p>The change from gas to solid.</p> Signup and view all the answers

Study Notes

Kinetic Theory of Matter

  • Molecules are in constant motion, forming the basis of the kinetic theory of matter.
  • Kinetic energy is measured using a thermometer, indicating temperature.
  • Higher internal energy in a material results in an elevated temperature.

Heat and Temperature

  • Heat refers to the energy flow between objects at different temperatures.
  • Heat and temperature are distinct concepts; they are not interchangeable.

Brownian Motion

  • Brownian motion describes the erratic movement of visible particles caused by invisible particles colliding with them.

Phases of Matter

  • Solid: Has a definite volume and shape; molecules are tightly packed and move slowly.
  • Liquid: Has a definite volume but no fixed shape; molecules are loosely packed and able to flow.
  • Gas: Lacks a definite volume and shape; molecules are widely spaced and move rapidly, filling any container.

Phase Changes

  • Melting: Transition from solid to liquid.
  • Freezing: Transition from liquid to solid.
  • Vaporization: Transition from liquid to gas.
    • Evaporation: Surface vaporization of a liquid.
    • Boiling: Vaporization occurring both from the surface and within the liquid.
  • Condensation: Transition from gas to liquid.
  • Sublimation: Transition from solid to gas.
  • Deposition: Transition from gas to solid.

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Description

Explore the fundamental concepts of phase changes and the kinetic theory of matter with these flashcards. Understand how molecular movement relates to temperature and heat exchange. Perfect for studying and reinforcing key scientific principles.

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser