melting. essential questions: what is melting? how is melting related to the water cycle?
Post on 29-Dec-2015
220 Views
Preview:
TRANSCRIPT
Melting
Essential Questions:
• What is melting?
• How is melting related to the water cycle?
Words to Know
Solid
state of matter which holds its shape
Liquid
state of matter which takes on the shape of
its container
Melt
when matter changes from a solid state to a liquid state after being
exposed to heat
Melting Point
the temperature at which a substance melts
(insert thermometer graphic)
Your morning view
What happens next when the temperature goes up?
The sun comes out and the temperature goes up…
Melting in Action
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
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.
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
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
top related