Energy and Phase Changes

What is sublimation

• When a solid passes directly to a liquid

• When a solid passes directly to a gas

• When a liquid passes directly to a gas

• When a gas passes directly to a solid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Liquids turn to gases through which two processes

• Condensation and evaporation

• Boiling and evaporation

• boiling and condensation

• freezing and boiling

Tags

NGSS.MS-PS1-4

when energy is added, attractions are _____

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-2

NGSS.MS-PS3-4

what phase change is represented by the particle diagram?

• gas to solid

• liquid to gas

• solid to liquid

• solid to gas

Tags

NGSS.MS-PS1-4

All phase changes (changing states) requires energy to be added or taken away.

• True

• False

Tags

NGSS.MS-PS1-4

All phase changes (changing states) requires energy to be added or taken away.

• True

• False

Tags

NGSS.MS-PS1-4

Look at the graph. Look at the words on the left and bottom. The slanted lines show when energy is transferred in or out and a phase change

(a)   occur.

• does not

• does

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does "#3" represent on the graph?

• solid phase

• melting

• vaporizing

• condensing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A phase change that is ​ (a)   is one that loses heat. An example of this type of change is ​ (b)   ​ which is when a gas cools into a ​ (c)  

• exothermic

• condensation

• liquid

• endothermic

• freezing

• plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which of the following describes an exothermic change

• sublimation

• vaporization

• condensation

• melting

Tags

NGSS.MS-PS1-4