lesson-modelingenergytransfer-PPT

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What Makes
Something
Feel Warm?
Modeling Energy Transfer:
A Macroscopic and
Particulate View
Lesson Warm Up
Why do mothers tell their kids to put on a
sweater? What is it about the sweater that keeps
them warm?
This winter was soooo
cold. My mother told me
to “put on a sweater,
because I’m cold.”
THE
BIG
QUESTION
Exploration #1: Observe the
Properties of Materials
Explore the properties of the tiles:
• In groups of 2, answer questions 3-5 (Step 1)
• In groups of 2, answer questions 6-8 (Step 2)
• In groups of 4, answer question 9 (Prepare a white
board that summarizes your ideas about
temperature)
Exploration #2: Observe Ice
on Material
Think about melting ice:
• Work through questions 10-12
• Individually fill answer ALL of #13
• In your groups, complete Step 5.
Modeling Energy Transfer
A Macroscopic View and Engineering Practices
Build a particle model that can be used to
explain the interaction between the tile
and the ice. Represent your model using
a set of particulate drawings that
describe the interactions between ice
particles and tile particles.
Exploration #2: Observe Ice
on Material
PREPARE A
BUILD
CONSENSUS
WHITEBOARD
SHARE
IDEAS
The American Association of Chemistry Teachers is
brought to you by the American Chemical Society.
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