Phase Changes and Heating Curve

During which phase change is energy (heat) added?

• Melting

• Freezing

• Condensation

• Deposition

During which phase change does a substance go from a liquid to a gas?

• Melting

• Vaporization

• Sublimation

• Freezing

During which phase change does a substance go from a Solid to a gas?

• Melting

• Vaporization

• Sublimation

• Freezing

During which phase change is energy (heat) removed

• Melting

• Vaporization

• Sublimation

• Freezing

During which phase change does a substance go from a liquid to a solid?

• Melting

• Freezing

• Condensation

• Depsoition

During which phase change does a substance go from a gas to a liquid?

• Melting

• Freezing

• Condensation

• Deposition

Describe what happens to the speed and the space between the particles when heat is added to a substance. (watch the video if you need help)

During which phase does a substance have a definite volume and shape?

• Solid

• Liquid

• Gas

During which phase does a substance have a variable volume and shape?

• Solid

• Liquid

• Gas

During which phase does a substance have a definite volume and variable shape?

• Solid

• Liquid

• Gas