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The sun's rays hit the Earth's atmosphere, where the light is scattered by nitrogen and oxygen molecules in the air. The blue wavelength of this light is affected more than the red and green wavelengths, causing the surrounding air to appear blue.

www.exploratorium.edu/snacks/blue-sky

When sunlight travels through the atmosphere, blue light scatters more than the ... The scattered light makes the sky blue; the transmitted light ultimately makes ...

www.exploratorium.edu/snacks/glue-stick-sunset

Model the scattering of light by the atmosphere—which makes our sky appear blue and our sunsets red—by shining a flashlight through clear hot-glue sticks.

www.exploratorium.edu/snacks/critical-angle

Discover why the sky is blue and the sunset is red. Laser Jello. Gelatin can do much more than just wiggle and jiggle. Glue-Stick Sunset. Why is the sky blue?

www.exploratorium.edu/snacks/colored-shadows

When a red light, a blue light, and a green light are all shining on the screen, the screen looks white because these three colored lights stimulate all three types ...

www.exploratorium.edu/snacks/polarized-sunglasses

On a sunny day, look at the sky through the polarizing lens. Notice that in some places the brightness of the blue sky changes as you rotate the polarizer.

www.exploratorium.edu/snacks/subject/atmosphere

Blue Sky. Discover why the sky is blue and the sunset is red. Science activity demonstrating how changes in atmospheric pressure feel ...

www.exploratorium.edu/snacks/subject/light-color-and-seeing

Blind Spot. To see or not to see. Science activity demonstrating the phenomenon of light scattering · Blue Sky. Discover why the sky is blue and the sunset is red.

www.all-science-fair-projects.com/science_fair_projects/91/744/16407782c33b283e4a056fa55a701a4c.html

The scattering of light by the atmosphere, which creates the blue sky and red sunsets, can be modeled when light from a flashlight shines through clear glue ...

www.juliantrubin.com/encyclopedia/astronomy/why_sky_blue.html

Why is the Sky Blue: Experiment and Demonstration - Exploratorium [View ... The sky is blue for the same reason that everything that is blue looks blue, like blue ...