A simple experimental apparatus made of rubber band and books is used by student teams challenged with demonstrating the concepts of friction, force, and inertia. This resource is from PUMAS  Practical Uses of Math and Science  a collection of brief examples created by scientists and engineers showing how math and science topics taught in K12 classes have real world applications.



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This
resource
uses
an
everyday
example
of
walking
a
dog
as
a
context
where
students
can
observe
changes
in
shadows
over
the
course
of
a
day,
and
deduce
that
light
travels
and
tends
to
maintain
its
direction
of
motion.
The
activity
is
from
PUMAS

Practical
Uses
of
Math
and
Science

a
collection
of
brief
examples
created
by
scientists
and
engineers
showing
how
math
and
science
topics
taught
in
K12
...



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In this demonstration, a soda bottle, paper and straws are used to show learners that air has mass and takes up space. The activity is from PUMAS  Practical Uses of Math and Science  a collection of brief examples created by scientists and engineers showing how math and science topics taught in K12 classes have real world applications.



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In
this
experiment,
students
create
a
"lava
lamp"

a
beaker
on
a
hotplate,
and
investigate
buoyancy,
convection
and
other
fluid
and
thermodynamic
properties
using
ink,
water,
vegetable
oil
and
AlkaSeltzer
tablets.
The
activity
is
from
PUMAS

Practical
Uses
of
Math
and
Science

a
collection
of
brief
examples
created
by
scientists
and
engineers
showing
how
math
and
science
topics
taught
in
K12
...



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Thermo and Fluid Dynamics of a Homemade Lava Lamp 
https:/
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In
this
demonstration,
a
plastic
soft
drink
bottle
is
used
to
demonstrate
properties
of
gases
and
liquids
with
respect
to
temperature
and
pressure.
Calculations
using
the
formula
for
the
Ideal
Gas
Law
are
included.
The
resource
is
from
PUMAS

Practical
Uses
of
Math
and
Science

a
collection
of
brief
examples
created
by
scientists
and
engineers
showing
how
math
and
science
topics
taught
in
K12
classes
...



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In
this
demonstration,
students
experience
the
Doppler
effect
for
sound.
Students
can
compute
the
frequency
change
for
motion
along
the
line
of
sight
(LOS)
and
determine
the
vector
LOS
component
for
motions
not
exactly
on
it.
A
buzzer,
battery,
bicycle
wheel,
string
and
a
rubber
ball
and
a
timer
are
needed
for
the
demonstration.
The
resource
is
from
PUMAS

Practical
Uses
of
Math
and
Science

a
collection
...



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What the Doppler Effect Tells Us About Distant Stars and Planets 
https:/
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Computer
modeling
is
used
to
estimate
physical
quantities
that
are
difficult
to
measure,
in
this
case,
the
landing
shock
experienced
by
ski
jumpers.
The
model
uses
physical
quantities
such
as
the
takeoff
inclination,
takeoff
height,
the
shape
of
the
hill,
and
the
vertical
drop
to
the
landing.
The
landing
shock
is
calculated
from
the
velocity
of
the
skier
and
angle
which
he
or
she
hits
the
hill.
This
...



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Who Hits Harder: The Nordic Skier or Aerial Jumper? 
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This
is
an
online
game
associated
with
activities
during
Solar
Week,
a
twiceyearly
event
in
March
and
October
during
which
classrooms
are
able
to
interact
with
scientists
studying
the
Sun.
Outside
of
Solar
Week,
information,
activities,
and
resources
are
archived
and
available
online
at
any
time.
Learners
view
images
of
celebrities
in
various
stages
of
pixellation
to
try
to
guess
who
the
celebrity
...



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This
is
a
short
online
reading
associated
with
activities
during
Solar
Week,
a
twiceyearly
event
in
March
and
October
during
which
classrooms
are
able
to
interact
with
scientists
studying
the
Sun.
Outside
of
Solar
Week,
information,
activities,
and
resources
are
archived
and
available
online
at
any
time.
Learners
will
read
about
how
the
vision
of
dogs,
bees,
and
humans
differs
and
how
the
electromagnetic
...



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This
is
an
activity
about
the
electromagnetic
spectrum
and
how
light
is
split
into
its
component
frequencies
or
colors.
Using
a
diffraction
grating,
learners
will
observe
four
different
light
sources
and
sketch
their
spectra.
This
activity
requires
access
to
a
sodium
vapor
or
mercury
vapor
light
and
two
neon
signs
of
differing
color,
as
well
as
diffraction
grating
material.
This
is
Astronomy
Activity
...



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