Phase Change Lesson 2.1

Phase Change

Lesson 2.1

go to pg 13 in your book

Draw a molecular scale model of each phase in the boxes provided

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Warm Up

Multiple Choice

Which state of matter is this a molecular model of

• solid

• liquid

• gas

Multiple Choice

Which state of matter is this a molecular model of

• solid

• liquid

• gas

Multiple Choice

Which state of matter is this a molecular model of

• solid

• liquid

• gas

Make any edits you need to on your pg 13 models now

As you read, annotate the passage in your book , identifying the type of phase change described. Also, identify what caused the water molecules’ freedom of movement to change. Highlight this information in the article.

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​Flash Floods in Canyons pg C 3- C4

Multiple Choice

What phase change occurred when the water vapor in the air changed into liquid water droplets?

• melting

• freezing

• condensation

• evaporation

Drag and Drop

The air got ​

Placeholder

which caused the molecules freedom of movement to decrease, therefore the water vapor gas changed into a liquid.

Drag these tiles and drop them in the correct blank above

colder

warmer

As you read, annotate the passage in your book , identifying the type of phase change described. Also, identify what caused the water molecules’ freedom of movement to change. Highlight this information in the article.

​

Glacier Caves pg C 5- C 6

Multiple Choice

What phase change occurred when the walls of ice changed in to liquid water?

• melting

• freezing

• condensation

• evaporation

Drag and Drop

The ice got​ ​

Placeholder

which caused the molecules freedom of movement to increase, therefore the ice changed into a liquid.

Drag these tiles and drop them in the correct blank above

warmer

colder

As you read, annotate the passage in your book , identifying the type of phase change described. Also, identify what caused the water molecules’ freedom of movement to change. Highlight this information in the article.

​

Frozen Niagara Falls pg C 7

Multiple Choice

What phase change occurred when the water of Niagara Falls changed into ice?

• melting

• freezing

• condensation

• evaporation

Drag and Drop

The weather got ​

Placeholder

which caused the molecules freedom of movement to ​

Placeholder

, therefore the liquid water changed into a solid.

Drag these tiles and drop them in the correct blank above

colder

decrease

warmer

increase

As you read, annotate the passage in your book , identifying the type of phase change described. Also, identify what caused the water molecules’ freedom of movement to change. Highlight this information in the article.

​

Old Faithful Geyser pg C 9

Multiple Choice

What phase change occurred when the liquid water of Old Faithful changed into water vapor?

• melting

• freezing

• condensation

• evaporation

Drag and Drop

The water got​ ​

Placeholder

which caused the molecules freedom of movement to ​

Placeholder

, therefore the water changed into a gas

Drag these tiles and drop them in the correct blank above

warmer

increase

colder

decrease

​The Simulation is linked on google classroom. Spend about 5 min trying to make these changes in the sim.

Multiple Choice

Which correctly models the phase change that occurred in the Old Faithful article?

Multiple Choice

Which correctly models the phase change that occurred in the Niagara Falls article?

Multiple Choice

Which correctly models the phase change that occurred in the Flash Flood in Canyons article?

Multiple Choice

Which correctly models the phase change that occurred in the Glacier Caves article?