CHANGE OF STATE

What is the change of state that occurs when water at 10^o C is heated 50^o C ?

• ice changes to water

• water changes to ice

• steam changes to water

• water changes to water vapor

An uncovered pot of soup is simmering on Mr. Wright's stove, and there are water droplets on the wall behind it. What sequence can you infer has occurred?

• evaporation, then condensation

• freezing, then thawing

• condensation, then vaporization

• Mr. Wright is a mess

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

During the process of sublimation

• a solid turns directly into a gas

• a liquid turns to a gas

• a solid turns into a liquid

• a gas turns directly into a solid

Tags

NGSS.MS-PS1-4

The characteristic temperature at which a pure solid changes to a liquid is its __________ point.

• melting
• boiling
• Schaffer
• pressure

Tags

NGSS.MS-PS1-4

_______ occurs when a liquid changes to a gas below its surface as well as at the surface.

• Boiling
• Evaporation
• Freezing
• Melting

Tags

NGSS.MS-PS1-4

The change from liquid to solid is called ________________.

• Melting
• Freezing
• Evaporation
• Condensation

Tags

NGSS.MS-PS1-4

The change from solid to a gas is called ________________.

• Sublimation
• Freezing
• Evaporation
• Condensation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Freezing is a heat ____________ process.

• loss

• lose

• lost

• gain

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Melting is a process that changes _____________________________.

• solid to liquid

• liquid to solid

• liquid to gas

• gas to liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Condensation occurs when _____________ water vapour comes into contact with a cooler surface, loses heat and condenses into water droplets.

• warm

• warmer

• cold

• colder

Tags

NGSS.MS-ESS2-4