This video tutorial explains how states of matter change with the addition or removal of heat. It covers processes like melting, evaporation, sublimation, condensation, freezing, and deposition. The video also highlights the importance of diagrams for understanding these changes and suggests their use in study notes.

What happens to the density of a substance as it changes from solid to liquid?

• Density decreases

• Density remains constant

• Density increases

• Density fluctuates

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NGSS.MS-PS1-4

What happens to the particles of a solid when it is heated?

• They move freely and escape into the air

• They vibrate less intensely

• They condense into a tighter arrangement

• They begin to move around and lose their fixed positions

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NGSS.MS-PS1-4

What occurs when a liquid becomes a gas?

• Sublimation

• Condensation

• Evaporation

• Freezing

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NGSS.MS-PS1-4

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What is the process called when a solid turns directly into a gas?

• Sublimation

• Condensation

• Evaporation

• Deposition

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NGSS.MS-PS3-4

Which example illustrates sublimation?

• Dry ice turning into gas

• Water vapor forming frost

• Water boiling into steam

• Ice melting into water

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NGSS.MS-PS1-4

During which process do particles slow down and come closer together?

• Evaporation

• Melting

• Sublimation

• Condensation

Tags

NGSS.MS-PS1-4

What is the term for the transition from gas to liquid?

• Condensation

• Melting

• Sublimation

• Freezing

Tags

NGSS.MS-PS1-4

What is the process called when a liquid turns into a solid?

• Sublimation

• Condensation

• Evaporation

• Freezing

Tags

NGSS.MS-PS1-4

What is the opposite process of sublimation called?

• Melting

• Evaporation

• Deposition

• Condensation

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NGSS.MS-PS1-4

Which process describes a gas turning into a solid without becoming a liquid first?

• Sublimation

• Evaporation

• Deposition

• Condensation