Transcript How does light travel?

Welcome
Thank you for using this pre-visit resource. We believe this will
help strengthen student learning leading up to and during your
gallery visit.
Due to the different versions of PowerPoint schools may use,
please check for, and correct any formatting issues before you
use this presentation with your students.
Please check by viewing in slide show format before making
any necessary changes.
If you have any questions please don’t hesitate to contact me.
Learning Experiences Outside the Classrom
Te Tuhi Centre for the Arts
Phone: (09) 577 0138 ext 7703
[email protected]
Jeremy Leatinu’u
Education Coordinator
say cheese…
Te Tuhi pre-visit lesson 1
Image:
http://www.advertolog.com/sony/print-outdoor/cheese-13812955/
http://www.sodahead.com/fun/pet-mice-cute-or-ick/question-1763939/?page=4&link=ibaf&q=mice+standing&imgurl=http://www.petsworld.co.uk/images/rat.jpg
During the next few lessons we will be exploring…
• Images from light
• Cameras and History
• Spaces for Art
Image:
http://www.freepik.com/free-vector/old-film-negatives-vector-material-5_514767.htm
http://www.123rf.com/photo_4030626_photography-film-negative-horizontal-image.html
Lets start by
exploring images
from light…
Image:
http://www.topdesignmag.com/wp-content/uploads/2011/01/Light-Graffiti-Michael-Bo-008.jpg www.abelardomorell.net/photography/cameraobsc_01/images_cameraobsc/camera01_Light-Bulb.jpg
Natural
light
comes
from
the
sun…
Having
The
We
Without
use
sunlight
light
is a allowing
ball
to
it would
keep
of energy
us
be warm,
to
very
see
which
difficult
to
trees,
generate
sends
for
hills,
light
usrivers,
power
totodoeverything
all
through
these things.
it
sees,
solar panels,
including
to earth.
grow
food
andeach
to have
fun
insects,
animals,
cars,plants
boats.for
and
even
other.
at the beach…
Where does light come from
and what do we use it for?
Image:
http://news.nationalgeographic.com/news/2010/10/photogalleries/101104-best-space-pictures-station-earth-sun-storm-mars-118/
http://www.guardian.co.uk/commentisfree/belief/2010/mar/29/earth-hour-religion-easter
http://powderfin.blogspot.com/2009/11/new-sherpa-wool-winter-hats.html
http://www.gettyimages.co.nz/detail/photo/solar-panel-on-black-background-high-res-stock-photography/sb10067259s-001
http://www.shutterstock.com/pic-30677383/stock-photo-fresh-young-tomato-plant-isolated-on-black-background.html
http://www.alctravel.eu/100_day.htm
When we
usetravels
a torch,
we
The
This
notice
sun
means
sends
This
theway
light
islight
the
shines
can
(or
same
not
energy)
in
bend
with
one
the
to
and
direction
the
sun
can
earth.
and
only
…
Because
light
No
in matter
a
straight
which
line,
only
we
half
face
of
the
earth
torch,
experiences
the
light
how shine
it shines
travel
in
onaat
the
straight
earth…
line.
will always
inlight
one
direction…
one
time.
Let’s find
by light
usingtravel?
this torch…
Howout
does
Image:
http://www.clker.com/clipart-10401.html
http://apod.nasa.gov/apod/ap011015.html
Light and how it travels
Let’sistake
an interesting
a look…
element
to
see
and
use.
With enough
Reflection
happens
mirrors
when
you
can
light
create
travels
plays
an important
part
of
People have used light toand
do
some
amazing
a
new
hits
path
acan
surface
for
the like
lightathings
tomirror.
travel When
how
light
travel
this happens light bounces off the
mirror and moves in another direction
Can you see where the light starts in
these two images?
Image:
http://www.stmyer.com/familypictures/laser_grid0001copy.jpg
http://www.fetxin.com/2009/11/28/chroma-tron-laser-and-mirror-puzzelgame-for-android/
Let’s take a look at some other ways people have
used light to do some interesting things.
You can get really tricky using
light and mirrors
Image:
http://www.artlurker.com/2009/04/at-large-matthew-schreiber/
http://www.somerhythm.com/site/archives/216 http://www.stmyer.com/familypictures/laser_grid0001copy.jpg
This scientists
would later
be called
a “Camera
Early
found
you could
create
Obscura”
something unique
by directing light
through a small hole…
The light from the top of the tree
travelled
downwards
into
the
hole
The
hole
directed
part
happened
light
inside
when
andhole
onby
Here
Earlyunique
They
reason
are
then
camera
some
made
the
obscuras
examples
tree
one
appears
very
were
of
small
upside
made
and
light
from
bottom
travelled
the
to
light
opposite
shining
wall
hole
people
first
in
down
the
creating
is
wall
creating
because,
looking
a the
dark
athrough
camera
as
outside
room,
we the
learnt
obscura
making
towards
earlier,
a
upwards
making
the
treeline
appearof
projects
an
upside
down
image
inside
sure travels
tree
light
notheir
light
room…
incould
a straight
shine
through
upside
a tree down
Image:
http://www.alltopmovies.net/wp-content/uploads/2010/02/ProfessorFrink2.JPG
Image:
http://ngm.nationalgeographic.com/2011/05/camera-obscura/oneill-text
The image on the wall shows a colourful
landscape that is just outside of this room
This image shows a landscape full of tall
buildings and roads just outside of this room
Image:
http://morfis.files.wordpress.com/2011/05/camera-obscura21.jpg
Image:
http://aplusabsurdum.wordpress.com/
These people have managed to capture the
sky outside in their room!
Many and
More
artists
more
started
people
using
learned
the camera
of the camera
obscuraobscura
becausetechnique
they could
and
trace
began
over
using
the
projected
it for different
imagereasons…
and create an accurate and realistic drawing or painting.
Image:
http://vermeer0708.wordpress.com/author/tamara89/
http://wernernekes.de/00_cms/cms/upload/Fotos_Sammlung/Fotos_Glossar/CO.jpg
http://www.gwennseemel.com/index.php/blog/comments/tracing/
Over time the camera obscura got smaller and smaller. This meant artists
could travel from place to place creating realistic paintings or drawings of
different landscapes and people.
Image:
http://cybergeek4artists.multiply.com/journal
http://akvis.com/en/articles/photo-history/beginning.php
http://www.aip.org/history/newsletter/spr99/optics.htm
http://publishing.cdlib.org/ucpressebooks/view?docId=ft438nb2fr&doc.view=content&chunk.id=d0e816&toc.depth=100&anchor.id=0&brand=ucpress
http://tammyumaly.com/cameraobscura.html
http://thedelightsofseeing.blogspot.com/2010/10/pinhole-photography-and-camera-obscura.html
http://www.talktalk.co.uk/technology/galleries/view/technology/historyofthecamera/browse/310115
http://bodytechnologies.blogspot.com/2011/02/we-are-never-just-there-reading-history.html
As
we
have
seen,
light
can
help
create
Let’s recap on what we have learnt so far…
some amazing things…
have
Light
• can help keep us warm, help grow plants
and provide power through solar panels
• travels in a straight line
• can be directed on to a new path
using mirrors and reflection
• can be used to project an image of the
outside environment
• is needed for a camera obscura to work.
Many artists use this to help create realistic
drawings and paintings.
In the next lesson we will explore
“Cameras and History”.
End of lesson