Unit 2 Review - NHS 2023

Are the particles moving faster or slower as time goes on?

• Faster

• Slower

What is happening to the particles in the substance between points A and B?

• Melting

• Freezing

• Speeding Up

• Slowing Down

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

• Melting

• Freezing

• Vaporizing

• Sublimating

The melting point of the sample is

• -60 ºC

• -100 ºC

• 60 ºC

• 100 ºC

Given the heating curve of a solid being heated at a constant rate, what is the boiling point of this substance?

• 20°C

• 50°C

• 110°C

• 170°C

What term goes on the y-axis? (A)

• Heat(Energy)

• Temperature

• Phase

• Type of Matter

What term goes on the x-axis? (B)

• Heat(Energy)

• Temperature

• Phase

• Type of Matter

What phase(s) of matter exists in part C of the graph?

• Gas

• Liquid

• Solid

• Plasma

What phase(s) of matter exists in part D of the graph?

• Gas

• Liquid

• Solid

• Plasma

What phase(s) of matter exists in part E of the graph?

• Gas

• Liquid

• Solid

• Plasma