LIGHT AND COLOR

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LIGHT AND COLOR
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http//son.nasa.gov/tass/images/cont_emspec2.jpg
http//www.ology.amnh.org/einstein/lightmatterener
gy/light.html
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Visible light is made up of many
different _______________of light Your eyes
see different sizes of waves as different
___________
http//www.simontucket.com/_Portfolio/PortLarge/L_
Il_Prism.jpg
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Myth
Many people think that plants are green because
they absorb and use green light in
photosynthesis, BUT . . . .
Image from http//oogletutorials.com/wp-content/u
ploads/2007/12/photoshop-lesson-green-leaf-design2
6.gif
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We see reflected light

• Light wavelengths that are ___________
• bounce back to your eyes . . .
• and that is the ___________ we see

Image modified from http//www.visibledreams.net
/Web/color/color_3.html
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These flowers look YELLOW because the pigments
in the flowers ____________ of the wavelengths
of light ____________ yellow ___________ light
is ____________ to your eyes.
Image by M. VanderWal
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This book looks BLUE because the dye in
the cover ____________ of the wavelengths of
light ____________ blue. _______ light is
____________ to your eyes.
http//www.michaelhyatt.com/fromwhereisit/bluebook
.jpg
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Objects look BLACK because black dye
____________ of the wavelengths of light. When
wavelengths are absorbed so is the _____________
of the wave. That is why wearing a blackT-shirt
in the summer feelswarmer than wearing a white
t-shirt.
http//www.eventsonline.ca/events/vowsa/black_shir
t.jpg http//www.hotstuffspas.com/pools_files/suna
nim.gif
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The dye in white objects ________________ of the
wavelengths of light. _______ energy is ABSORBED
so wearing white clothing is cooler.
http//www.hotstuffspas.com/pools_files/sunanim.gi
f http//www.12stitch.com/shop/images/options/Blan
k-White-Shirt.jpg
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Plants gather the suns energy with light
absorbing molecules called ___________.

pigments
By VanderWal
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http//www.russianflora.com/store/images/product/c
ustom_green_plant_35.jpg
The main energy absorbing molecule in green
plants is ___________________
_________________ are pigments too. (These look
yellow, orange, and red)

http//www.rnzih.org.nz/images/gardenimages/carrot
s_d.jpg
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Carotenoids are usually _______ by the presence
of _______________
http//www.litzsinger.org/weblog/archives/email20
AutumnTrees520LREC20102605.jpg
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When chlorophyll ____________ in the _______,
we can see the carotenoid colors that are there
____________, but are no longer hidden.
http//sps.k12.ar.us/massengale/ecology_notes_bi.h
tm