Transparent Tape Junior Detective 5 Things well do for this badge Practice the power of observation Communicate in code Fingerprint for fun Try out some detective science Follow clues to solve a mystery ID: 926538
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Slide1
Slide2Materials
:
PaperPencilTransparent Tape
Junior Detective
Slide3Slide45 Things we’ll do
for this badge:
Practice the power of observation
Communicate in codeFingerprint for fun
Try out some detective scienceFollow clues to solve a mystery!
Junior Detective
Slide5The Power of Observation
Put your memory to the test
Slide6The Power of Observation
Find 6 hidden words in this image
Slide7The Power of Observation
Slide8The Power of Observation
We’ll watch two short videos
After watching, there will be a few questions about the videos
Watch closely!
Slide9The Power of Observation
https://www.youtube.com/watch?v=U1saQoMRD8A
Slide10The Power of Observation
Selective observation test
https://www.youtube.com/watch?v=1GEEvvTiiQk
Slide11The Power of Observation
Has anyone noticed anything different since we started this meeting?
Slide12Crack the Code!
Slide13Morse Code
T
elecommunication
that encodes text characters as standardized sequences of two different signals.
Uses dots and dashes
Morse
code is named after Samuel Morse, an inventor of the telegraph
.
Slide14Morse Code
W
rite your first name in Morse Code!
- . .- -.-- .-.. .
https://morse.withgoogle.com/learn/
Slide15Alphabetical Code
Can you decode the following?
GHEA YRSG NG GUR CVAR GERR
A
B
C
D
E
F
G
N
O
P
Q
R
S
T
H
I
J
K
L
M
U
V
W
X
Y
Z
Slide16Alphabetical Code
Can you decode the following?
GHEA YRSG NG GUR CVAR GERR
Turn left at the pine tree
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Slide17Pigpen Cipher
Also called “Masonic cipher”
G
eometric
simple substitution cipher, which exchanges letters for symbols which are fragments of a
grid
Slide18Pigpen Cipher
Also called “Masonic cipher”
Slide19Pigpen Cipher
Also called “Masonic cipher”
Slide20Fingerprint Fun
Slide21History of Fingerprinting
A
ncient
Babylonians pressed the tips of their fingertips into clay to record business transactions
Slide22History of Fingerprinting
2,000 years ago Chinese
used ink-on-paper finger impressions for
signing business documents and
to help identify their children.
Slide23History of Fingerprinting
In
1880 Henry
Faulds
asked his cousin (Charles Darwin!) for help with developing a fingerprint classification system
.
Darwin said no but put him in contact with
Sir Francis
Galton.
Galton collected ~8,000
fingerprints
to analyze1892 -
published the first fingerprint classification system. The system was based on patterns of arches, loops and whorls.
Slide24Slide25History of Fingerprinting
This method of identification grew and others learned the
direction
, flow, pattern
of the friction ridges in
fingerprints could help tell prints apart
In
1903
the New York state prisons adopted the use of
fingerprints to identify criminals
followed later by the FBI.
Slide26Fingerprint Fun
Slide27Slide28No one else in the world has your fingerprint!
While similar, your finger prints are
not
mirrored on left and right hands.
Slide29“The quick brown
fox jumps
over the lazy dog”
Write this at the top of your paper
Slide30Characteristic
Comments
Continuous
2. Spacing
3. Line Quality
4. Connecting Letters
5. Cursive vs. Print
6. Slant
7. Pen pressure
8. Loops or Curls
9. Is
and
Ts
10. Line habits
Copy this chart on paper
Slide31Comparing our handwriting
1
. Continuous
Is the writing continuous or does the writer lift the pen?
Slide32Comparing our handwriting
2. Spacing
Are words spaced equally or crowded?
Slide33Comparing our handwriting
3. Line Quality
Do the letters flow or are they erratic and shaky?
Slide34Comparing our handwriting
4
. Connecting letters
Is the uppercase letter connected to lowercase?
Slide35Comparing our handwriting
5
. Cursive vs. Printed letters
Is the writing in all cursive, all print, or a mix of both?
Slide36Comparing our handwriting
6. Slant
Are words written at a slant? Left or right slant?
Slide37Comparing our handwriting
7
. Pen pressure
Are words written with light or firm pressure?
Slide38Comparing our handwriting
8. Fancy loops or curls
Are ther2 extra loops or curls in the writing?
Slide39Comparing our handwriting
9
. Dotting I’s and crossing t’s
Add notes about how they are written
Slide40Comparing our handwriting
10. Line habits
Written on the line, slightly above the line, below the line?
Slide41Comparing handwriting
How are these two samples different?
Slide42Comparing handwriting
How are these two samples similar?
Slide43Comparing handwriting
Why was it important to have your handwriting sample done at the beginning of this session
?
How do detectives use handwriting in forensic science?
Slide44Solving a mystery!