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eye
Tags: [Optics, rod cell, cone cell, eye, brightness, colour]  ...
Tags: [Chemistry, optics, eye, light, sunglasses, polarization, polarizer, rainbow, refraction, reflection, Kindergarten, wavelength, spectrum, chromatography, methylene blue, grade 2, grade 4, grade 5, ...
Tags: [Perception, Illusions, optical illusion, tactile illusion, auditory illusion, eye, kindergarten, grade 2, grade 4, grade 5]  ...
... These scientists rely on highly sharpened senses to determine small changes in a landscape. Most people have very good eyes—we can see but are we really observing? Do you stop to notice the squirrel ...
Students learn about wavelengths with a slinky demo and then get a chance to explore what things we can see (and not see) with black light! Introduction The human eye can see the visible spectrum: ...
Observing uses one or more of the five senses to gather information about our surroundings. We're used to observing with our eyes. In this activity, students try observing with one of their other senses: ...
Often our senses are overpowered by the sense we use the most often: sight. In this activity, students hone their sense of touch while silencing their sense of sight. How many eyes does it have? Introduction ...
... the light that bounces from mirror to mirror before coming back to your eyes. The closer the mirrors are together, the more reflections-of-reflections you see. Light and reflections Introduction ...
... game "Octopus" to learn about the wavelength and energies of different colours of visible light. The range of wavelengths of light that the human eye can see is called "the visible spectrum". This includes ...
... disliked its two side effects: turning the urine green, and the sclera (the whites of the eyes) blue. Methylene blue is also used to treat cyanide poisoning and fungal infections in fish. Objectives ...
... time. When your friend drops the timer, you see it start to move. A nerve signal travels from your eye to your brain then to your finger muscles. Your finger muscles move to catch the timer. The whole ...
... filter oriented vertically will filter out the glare, but still allow plenty of light through. Polarizing sunglasses protect your eyes from glare off the road or a lake. A polarizing filter on your camera ...
... individual colours. Because the light you see from a rainbow has been reflected, it is polarized. You can make bits of the rainbow disappear by rotating a polarizing filter between your eye and the rainbow. ...
... to get different shadow colours. Primary colors are not a fundamental property of light but are related to the physiological response of the eye to light. Light is a continuous spectrum of all of the ...
This relay-race/puzzle game will reinforce the similar, yet unique, functions of the rods and cones in our eyes. Images are formed by the combination of information received by rods and cones on the retina. ...
This demonstration shows the importance of visual cues. Introduction If we get conflicting information from our eyes and ears, many of us will default to the information we receive from our eyes. ...
... to the structure of the retina. The Hermann Grid is an illusion based on the way our eyes work. Most people "see" grey spots where lines of white space intersect, even though there is no grey there at ...
In this demonstration, students discover how the structure and placement of the eyes creates depth perception. Introduction In this demonstration, students discover how the structure and placement ...
...  In this demonstration, students discover how the structure and placement of the eyes creates depth perception.   Depth perception occurs as your brain compares ...
... of the eyes creates depth perception.   Depth perception occurs as your brain compares the pictures received in each eye to figure out how far objects are from you. Each eye sees a slightly different ...
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