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The
purpose
of
this
resource
is
to
measure
the
amounts
of
nitrogen,
phosphorous
and
potassium
in
each
horizon
in
a
soil
profile.
Using
a
NPK
test
kit,
students
mix
a
dry,
sieved
soil
sample
into
a
solution
and
chemically
extract
the
N,
P,
and
K
as
nitrate,
phosphate,
and
potassium.
The
N,
P,
and
K
amounts
in
the
sample
are
determined
by
comparing
the
solution
to
a
color
chart.
Students
describe
the
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
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The purpose of this resource is to measure the pH of a soil horizon. Students mix dried and sieved soil samples with distilled water. The mixture is allowed to settle until a relatively clear layer is formed. Students use a pH pen, pH meter, or pH paper to determine the pH of the sample. The procedure is done three times for each horizon.
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
Related resources and collections
This resource is included in the following collections:
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A
learning
activity
for
the
Scoop
on
Soils
book
in
the
Elementary
GLOBE
Series.
Students
will
make
predictions
about
what
they
think
they
will
find
in
a
sample
of
soil.
They
will
investigate
the
sample
and
sort
out
the
various
items
they
find.
Next
they
will
spend
time
outside
observing
one
or
more
sites
to
see
what
they
find
in
the
soil.
After
recording
and
sharing
their
observations
they
will
create
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is included in the following collections:
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A
learning
activity
for
the
Scoop
on
Soils
book
in
the
Elementary
GLOBE
Series.
Each
student
will
explore
three
activities
that
promote
understanding
of
and
respect
for
soil.
They
will
generate
responses
to
the
following
questions:
"What
makes
up
soil?"
and
"What
lives
in
the
soil?"
Next
the
students
will
watch
a
demonstration
of
how
much
soil
there
is
on
Earth
that
is
available
for
human
use.
Last
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is included in the following collections:
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A
learning
activity
for
the
Scoop
on
Soils
book
in
the
Elementary
GLOBE
Series.
Each
student
will
make
predictions
about
the
properties
of
various
soil
samples.
Then
they
will
examine
several
types
of
soils
and
record
their
observations.
Next,
they
will
learn
about
soil
profiles
and
horizons
by
both
examining
a
soil
sample
in
a
jar
and
by
creating
a
soil
profile
flip
chart.
The
purpose
of
the
activity
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is included in the following collections:
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A
learning
activity
for
the
"All
About
Earth:
Our
World
on
Stage"
book
in
the
Elementary
GLOBE
series.
In
pairs,
students
will
create
experimental
conditions
in
terrariums
in
order
to
study
what
plants
need
to
live.
Variables
to
study
include
the
presence
or
absence
of
soil,
water,
and
sunlight.
Students
will
record
the
growth
of
radish
plants
as
well
as
observations
of
"the
water
cycle"
in
their
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is included in the following collections:
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A
learning
activity
for
the
"All
About
Earth:
Our
World
on
Stage"
book
in
the
Elementary
GLOBE
series.
One
of
the
"big
ideas"
in
Earth
system
science
is
the
notion
of
interaction
among
parts
of
the
Earth
system.
In
the
Elementary
GLOBE
book
All
About
Earth:
Our
World
on
Stage,
the
children
in
Ms.
Patel's
class
discuss
instances
of
how
the
four
major
spheres
of
Earth's
system
interact.
They
symbolize
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
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The
class
will
brainstorm,
write,
create,
and
produce
a
play
in
which
they
represent
how
all
the
Earth
systems
are
interconnected.
This
play
can
be
based
on
the
Elementary
GLOBE
book
"All
About
Earth:
Our
World
on
Stage"
or
on
other
student-generated
topics
representing
interconnections
of
the
Earth
systems.
The
purpose
of
the
play
is
to
serve
as
a
performance
assessment
providing
students
with
the
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is included in the following collections:
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The
purpose
of
this
resource
is
to
understand
that
physical
factors
-
temperature
and
precipitation
-
limit
the
growth
of
vegetative
ecosystems.
Students
observe
and
record
seasonal
changes
in
their
local
study
site.
They
establish
that
these
phenomena
follow
annual
cycles
and
conclude
the
activity
by
creating
displays
that
illustrate
the
repeating
pattern
associated
with
the
appearance
and
disappearance
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
Related resources and collections
This resource is included in the following collections:
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Elementary
GLOBE
is
designed
to
introduce
students
of
grades
K-4
to
the
study
of
Earth
System
Science
(ESS).
Elementary
GLOBE
forms
an
instructional
unit
comprised
of
five
modules
that
address
ESS
and
interrelated
subjects
including
weather,
hydrology,
phenology,
and
soils.
Each
Elementary
GLOBE
module
contains
a
science-based
storybook
and
classroom
learning
activities.
Five
(5)
books
are
included
...
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Choosing & Using this resource...
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