Heating Curves

How is a gas defined?

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

What term describes a liquid changing to a solid?

• Deposition
• Sublimation
• Evaporation
• Freezing

Tags

NGSS.MS-PS1-4

Molecules are closest together in a 

• Solid
• Liquid
• Gas

• It remains the same.
• It changes greatly.
• It changes minimally.
• Unable to tell.

Tags

NGSS.MS-PS1-4

Define a liquid.

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

Which has a greater distance between particles?

• Solid
• Liquid

Tags

NGSS.MS-PS3-4

When is the substance a solid?

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.MS-PS1-4

Between which points is the temperature of the substance remaining constant?

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

Tags

NGSS.MS-PS1-4

A substance's heating curve is shown in the graph.  What is its boiling point?

• 100 C
• 60 C
• 80 C
• 20 C

Tags

NGSS.MS-PS1-4