Heating Curve

At higher temperatures

• Particles in an object move slower

• Particles in an object move faster

• Particles move at the same speed as lower temperature

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NaCl was heated starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?

• 0°C

• 801°C

• 1000°C

• 1465°C

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.

• Constant, changing

• Changing, constant

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• Melting

• Freezing

• Vaporizing

• Sublimating

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following terms identifies the change from a liquid to gas?

• Vaporization

• Condensation

• Deposition

• Sublimation

Tags

NGSS.MS-PS1-4

Liquid to Gas

• melting

• vaporization

• condensation

• sublimation

Tags

NGSS.MS-PS1-4

In which region(s) does temperature increase? (a)  

• Region C only

• Regions B and D

• Regions A, C, and E

• Regions A and B

Tags

NGSS.MS-PS1-4

Between which points is the temperature of the substance remaining constant? (a)  

• A-B only

• A-B, C-D, and E-F

• B-C only

• B-C and D-E

Tags

NGSS.MS-PS1-4

Describe the substance at letter A. (a)  

• Solid

• Liquid

• Melting

• Evaporating

Tags

NGSS.MS-PS1-4

At which letter is the substance changing its state of matter?

• A only

• A, C, and E

• D and E

• B and D

Tags

NGSS.MS-PS1-4