melting. essential questions: what is melting? how is melting related to the water cycle?

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Melting

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Page 1: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Melting

Page 2: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Essential Questions:

• What is melting?

• How is melting related to the water cycle?

Page 3: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Words to Know

Page 4: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Solid

state of matter which holds its shape

Page 5: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Liquid

state of matter which takes on the shape of

its container

Page 6: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Melt

when matter changes from a solid state to a liquid state after being

exposed to heat

Page 7: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Melting Point

the temperature at which a substance melts

(insert thermometer graphic)

Page 8: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Your morning view

Page 9: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

What happens next when the temperature goes up?

Page 10: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

The sun comes out and the temperature goes up…

Page 11: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Melting in Action

Page 12: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Melting Points

• Ice: 0 degrees C

• Popsicles: 0 degrees C

• Chocolate: 35 degrees C

• Butter: 50 degrees C

• Candle wax: 60 degrees C

• Aluminum: 60 degrees C

Page 13: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

What does this have to do with the water cycle?

• The ice caps in Antarctica are melting.

• When the ice caps which are solid melt, they provide water, which is a liquid for the water cycle.

Page 14: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Test your knowledge!

At what temperature does ice melt?

A: Anything over 0 degrees C

B: Anything under 0 degrees C

C: Anything over 100 degrees C

D: Anything under 100 degrees C

Page 15: Melting. Essential Questions: What is melting? How is melting related to the water cycle?

Test your knowledge!

Melting involves a substance changing from a _________ to a ___________.

A: liquid to a solid

B: gas to a liquid

C: solid to a liquid

D: solid to a gas