Phase Changes in Chemistry

Freezing is...

• Solid to gas

• Liquid to solid

• Gas to solid

• Liquid to gas

Tags

NGSS.MS-PS1-4

The freezing point of water is....

• 0 C

• 32 C

• 100 C

• -21 C

What example is endothermic?

• melting

• freezing

• depostion

• condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which is exothermic?

• melting 

• freezing

• boiling

• sublimation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which diagram correctly shows the processes that

change the states of matter?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-4

Michelle looked at herself in the mirror and later took a

shower. After she was finished, she noticed the mirror

was all foggy and wet. What process occurred?

• sublimation

• condensation

• evaporation

• melting

Tags

NGSS.MS-PS1-4

In the diagram below, which arrows indicate phase

changes that require the addition of heat?

• 1 and 2

• 2 and 3

• 1 and 4

• 3 and 4

Tags

NGSS.MS-PS1-4

A wet shirt is put on a clothesline to dry on a sunny day. The shirt dries because water molecules......

• Gain heat energy and condense

• Gain heat energy and evaporate

• Lose heat energy and condense

• Lose heat energy and evaporate

Tags

NGSS.MS-PS1-4

What process forms the water droplets on the outside of the cup?

• evaporation

• condensation

• sublimation

• deposition

Evaporation is.....

• endothermic

• exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4