Phase Changes Exit Ticket (PD 1)

When a substance melts, the kinetic energy _____________.

• decreases
• stays the same
• increases
• decreases then increases

What is an example of evaporation?

• Water boiling
• Water turning into ice
• Chocolate bar turning into liquid chocolate
• Fog forming on a mirror

At higher temperatures

• particles in an object have less energy
• particles in an object move faster
• a gas contracts

The drops of water that appear on the outside of a glass of cold juice on a warm day are an example of?

• sublimation

• condensation

• evaporation

• melting

What state of matter is pictured?

• Solid

• Liquid

• Gas

• Plasma

Is the substance gaining or losing energy?

• Gaining

• Losing

What is happening to the particles in the substance between points D and E?

• Melting

• Freezing

• Vaporizing

• Sublimating

Where on the graph are phase changes taking place?

• 1

• 2

• 3

• 4

• 5

Is the substance gaining or losing energy?

• Gaining

• Losing

What state/phase is the object likely from points A to B?

• Solid

• Liquid

• Gas

• Plasma