Phase Changes and Heating Curves

In which region(s) does temperature remain constant?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

In which region(s) does temperature increase?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

This curve indicates what about the heat energy?

• heat energy is being added or absorbed
• heat energy is being removed

Tags

NGSS.HS-PS3-4

In which region(s) of the graph does a phase change occur?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

In which region(s) of the graph would the substance only be in one phase?

• Region 1, 3, & 5
• Region 2 & 4
• Region 1 only
• Region 1 & 2

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

In which region(s) of the graph would the substance be a solid only?

• Region 1
• Region 2
• Region 3
• Region 4

In which region(s) of the graph would the substance be a solid and a liquid?

• Region 1
• Region 2
• Region 3
• Region 4

Tags

NGSS.HS-PS3-4

In which region(s) of the graph would the substance be a liquid only?

• Region 1
• Region 2
• Region 3
• Region 4

In which region(s) of the graph would the substance be a liquid and a gas?

• Region 2
• Region 3
• Region 4
• Region 5

In which region(s) of the graph would the substance be a gas only?

• Region 2
• Region 3
• Region 4
• Region 5