REVIEW U3: Heat & Phase Changes

Between which points is the substance changing state?

• A-B only. 
• A-B, C-D, E-F
• B-C only. 
• B-C, D-E

Tags

NGSS.MS-PS1-4

Which state of matter is represented here?

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a phase change diagram, when matter is changing phase, how is the temperature affected?

• stays the same

• Increases

• Decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In a phase change diagram, when matter is in a solid, liquid, or gas phase, how is the kinetic energy affected?

• stays the same

• Increases

• Decreases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the melting point of the sample?

• -60 ºC

• -100 ºC

• 60 ºC

• 100 ºC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

Tags

NGSS.MS-PS1-4

This curve indicates what about the heat energy?

• Heat energy is being added or absorbed

• Heat energy is being released

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Order the states of matter by DECREASING kinetic energy.

• GAS

• LIQUID

• SOLID

Tags

NGSS.MS-PS1-4

Which point on the graph is where boiling is occurring?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which arrow is the melting point of the substance?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4