internal energy

• What type of energy do all particles have?

  Kinetic energy
• What additional type of energy do particles possess besides kinetic energy?

  Potential energy
• What happens to energy when a substance melts or boils?

  Energy is added to break particle forces
• What is internal energy?

  Energy stored in a system by particles
• What are the two types of internal energy mentioned?

  Kinetic and potential energy
• What does changing state from solid to liquid to gas indicate about internal energy?

  It indicates an increase in internal energy
• Which state of matter has the highest overall internal energy?

  Gas
• Which state of matter has the lowest internal energy?

  Solid
• How does adding heat affect internal energy?

  It increases internal energy
• What happens to internal energy when a solid turns to a liquid?

  Internal energy increases
• What happens to internal energy when a liquid turns to a gas?

  Internal energy also increases
• Why do gases have higher internal energy than liquids?

  Gases have higher potential and kinetic energy
• What effect does greater kinetic energy have on particles?

  Particles vibrate more
• What is the relationship between kinetic energy and evaporation?

  Greater kinetic energy facilitates evaporation
• Which state of matter has the most kinetic energy?

  Gas