Ocean Depth and Light. What colors give animals in the jungle the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? image courtesy of.

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Presentation transcript:

Ocean Depth and Light

What colors give animals in the jungle the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? image courtesy of

What colors give animals in the desert the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? image courtesy of Color_Desert_Pattern.jpghttp://commons.wikimedia.org/wiki/File:Six- Color_Desert_Pattern.jpg

What colors give animals in the ocean the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? ?

Which photo was taken in the euphotic zone? A B domain-images-pictures/underwater-public-domain-images- pictures/coral-reef-underwarer-photo.jpg.html Image ID: nur04506, Voyage To Inner Space - Exploring the Seas With NOAA Collect Location: Atlantic Ocean Photographer: P. Rona Credit: OAR/National Undersea Research Program (NURP); NOAA

Which photo was taken in the euphotic zone? A B domain-images-pictures/underwater-public-domain-images- pictures/coral-reef-underwarer-photo.jpg.html Image ID: nur04506, Voyage To Inner Space - Exploring the Seas With NOAA Collect Location: Atlantic Ocean Photographer: P. Rona Credit: OAR/National Undersea Research Program (NURP); NOAA

Which fish lives in the disphotic zone? A B 5/04-glow-06.html sheries/resources/pifsc_cred_wrasse.jpg

Which fish lives in the disphotic zone? A B 5/04-glow-06.html sheries/resources/pifsc_cred_wrasse.jpg

Which crab lives in the Aphotic zone? AB newzealand/media/hermitcrab_600.html crustaceans.html

Which crab lives in the Aphotic zone? A newzealand/media/hermitcrab_600.html crustaceans.html B

Depth & Light So what do you know about light?

Depth & Light Can you name the parts of a light wave? Direction of wave ?

Depth & Light Can you name the parts of a light wave? Direction of wave crest

Depth & Light Can you name the parts of a light wave? Direction of wave ?

Depth & Light Can you name the parts of a light wave? Direction of wave trough

Depth & Light Can you name the parts of a light wave? Direction of wave ?

Depth & Light Can you name the parts of a light wave? Direction of wave amplitude

Depth & Light Can you name the parts of a light wave? Direction of wave ?

Depth & Light Can you name the parts of a light wave? Direction of wave wavelength

Depth & Light Different wavelengths produce different colors. hs.png

Depth & Light Sunlight, is white light. It has all wavelengths & colors. hs.png

Depth & Light We can use a prism to separate colors by wavelength.

Depth & Light What is the order? ROY G. BIV

Depth & Light When light hits a material like water it is: Reflected, Absorbed, or transmitted. incident ray reflected transmitted absorbed

Depth & Light What is the color of water?

Depth & Light What is the color of water? BLUE

Depth & Light What is the color of water? BLUE What happens when light passes through a blue material?

Depth & Light What happens when light passes through a blue material? Every color but blue is absorbed Absorbed light transmitted light

Depth & Light So what happens to color at different depths of the ocean? Materials : black felt represents the aphotic zone square felt pieces in assorted colors (ROY G.BV) Blue plastic “goggles” to represent layers of water

Depth & Light PROCEDURE: Place black felt with color pieces face-up. Add one blue layer at a time in front of your eyes. Put an “X” in the box for every color you can see.

Depth & Light - (copy the table) layersROYGBV

RESULTS: What color (s) disappears with 1 layer? 2? 3? Is there any color which did not disappear? layers ROYGBV

Depth & Light Some color’s travel deeper, due to shorter wavelength. Violet gets scattered by water. cation-and- outreach/additional/science- focus/ocean- color/oceanblue.shtml

Depth & Light How does that affect the organisms that live in the ocean?

Depth & Light PROCEDURE: Have your partner randomly distribute pieces on the reverse side of the black felt. (Don’t peek!) Put on your goggles to simulate the Desphotic zone (3 layers).

Depth & Light PROCEDURE: Grab the first 10 pieces you can see. (no feeling around!) Record results. Repeat for your partner. Total your results.

Depth & Light PROCEDURE: (copy the table) redorangeyellowgreenbluevioletblack you partner total

Depth & Light RESULTS? So what were the easiest colors to find? Which colors were rarely picked up? redorangeyellowgreenbluevioletblack you partner total

Time to show what you have learned.

What colors give animals in the jungle the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? image courtesy of

What colors give animals in the desert the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? image courtesy of Color_Desert_Pattern.jpghttp://commons.wikimedia.org/wiki/File:Six- Color_Desert_Pattern.jpg

What colors give animals in the ocean the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? ?

What colors give animals in the ocean the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? 1) Design your own camouflage pattern

What colors give animals in the ocean the best camouflage? RED? ORANGE? YELLOW? GREEN? BLUE? VIOLET? BROWN? 1) Use data from your experiments to design your own camouflage pattern 2) Write a paragraph describing your camouflage pattern. Use data from your experiment to explain why you chose the colors in the pattern.