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Assertion–Evidence Slide Template
for Teaching
Michael Alley
College of Engineering
Penn State
April 2, 2009
Title of Class Period in Initial Capitals:
36 Points
Announcement or short
list of topics
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Key image for introducing class’s
scope, importance, or mapping
Class 3: Plate Tectonics and Origins
Plate Movement
Earth’s Layers
Resource Distribution
[Brooks/Cole-Thomson Learning]
4
This template slide, which is from the body of a classroom
presentation, begins with a sentence assertion
Call-out, if necessary: keep to
one or two lines
Call-out, if necessary: keep to
one or two lines
Graphic, table, or equation supporting
the sentence-headline assertion
Call-out, if necessary: keep to
one or two lines
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The best places to harness geothermal energy are
at the plate boundaries
7
Iceland
is almost
Geysers,
CAentirely run
on geothermal energy
8
There are two types of crust:
oceanic and continental
Continental crust:
Oceanic crust:
rich in iron and magnesium
more dense
9
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rich in silica and aluminum
less dense
[Brooks/Cole-Thomson Learning]
10
How
water 0.5%
distributed
Earth?
Onlyisabout
of allonthe
water on earth is fresh water
that is readily available for human use
All water
Fresh water
Groundwater
24.5%
Oceans and
saline lakes
97.4%
Fresh
water
2.6%
Oceans and Saline lakes
97.4%
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Readily accessible
fresh water
Biota
Rivers
Lakes
Lakes
0.007%
0.5%
Soil
Moisture
Ice caps and glaciers
75%
Atmospheric
water vapor
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In summary, only a small percentage of water
on Earth is readily available
In the U.S., water is mainly used for
agriculture and power-plant cooling
[Miller 2002]
13
Water shortages are caused
by climatic conditions
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