Curves & States of Matter

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

NGSS.MS-PS3-5

What is the freezing point of the substance?

• 0^oC

• 60^oC

• 120^oC

• 180^oC

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

From point A to point F, the sample is...

• releasing heat to the surroundings

• absorbing heat from the surroundings

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Describe the substance between letters C and D. 

• Gas
• Liquid
• Melting
• Evaporating

Tags

NGSS.MS-PS1-4

Between which points is the substance changing its state of matter?

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

Tags

NGSS.MS-PS1-4

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

NGSS.MS-PS3-4

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

In which segment(s) is the kinetic energy and temperature remaining constant?

Tags

NGSS.MS-PS3-1

What state(s) of matter are present at D-E?

• Solid-liquid
• Liquid
• Liquid-gas
• Gas-Solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A substance is cooled for sixteen minutes according to the cooling curve shown. What is the freezing point of this substance?

• 206°C

• 150°C

• 90°C

• 50°C

Tags

NGSS.MS-PS1-4