Required
pieces
-20 columns
-4 short
diagonals
-4 long
diagonals
-8 brackets
-8 shelves
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Mean,
median,
mode, and
range
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Speed
calculations
S=D÷T
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Project
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Below
Standard
Approaching
Standard
Funnels= 1
Straight track=at
least 7
Wide turn=at least
4
Sharp turn=at
least 4
Spiral loop=1
V-shaped switch
back=at least 1

More than one of
mean, median,
mode and range
are figured
incorrectly OR
One unit label is
incorrectly

All but 1
calculation is
correct
All items are
labeled correctly
Most work is
shown
1 idea is written
down for
extending run
time

Ran less then 40s
No Name for the
roller Coaster
Appearance is
terrible.
Used more than
one tape roll
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At Standard
Funnels=at
least 1
Straight
track=at least 8
Wide turn=at
least 5
Sharp turn=at
least 5
Spiral loop=1
V-shaped
switch back=2
All but one of
mean, median,
mode and
range are
figured
correctly
All unit labels
are correctly
All speed
calculations are
correct
All items are
labeled
correctly
All work is
shown
1 idea is
written down
for extending
run time

Ran 40 – 50 S
Has a name
Not appealing
to the eye
Used 1 roll of
tape.
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Above Standard
Funnels=at least
2
Straight track=10
Wide turn=at
least 6
Sharp turn=at
least 6
Spiral loop=2
V-shaped switch
back=2


Mean, median,
mode and range
are figured
correctly
All unit labels are
correctly

All speed
calculations are
correct
All items are
labeled correctly
All work is shown
1-2 Ideas are
written down for
extending run
time
At least 1
modification was
made to extend
time

Ran for 50s –
1min
Has a name
Is neat and
organized
Only used 1 roll
of tape.
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Funnels=3
Straight
track=10
Wide turn=8
Sharp turn=8
Spiral loop= 2
or 3
V-shaped
switch back=3
In addition to
all at standard
criteria, mean,
median, mode,
and range were
figured with
anomalous data
and compared
In addition to
all at standard
criteria, more
than 2 ideas are
considered for
extending run
time
At least 2
modifications
were made to
extend time
Ran for more
than 1 min
Is neat and
organized
Has a name
Didn’t use all of
the tape roll.
The driving question is, Using the laws of physics and a given amount of materials,
how can I create the longest run time for my roller coaster?