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Light and the Eye
Question | Answer |
---|---|
Why do some people have blurry vision? | Eyeballs are not perfectly round or the cornea is not smooth. |
What part of the eye is colored? | iris |
What part of the eye is the black hole? | pupil |
Where is the retina located? | the back eye wall |
Where does light enter the eye? | pupil |
What is the clear lens over the pupil called? | cornea |
What would happen if your cornea was cloudy? | Your vision would be blurry. |
How does light travel? | in waves |
Why does a straight object appear bent or broken in the water? | Light waves travel through air and water differently. Refraction is the bending of light. |
What is transparent? | A material that lets light pass through it. |
What is translucent? | A material that allows SOME light to pass through it. |
What is opaque? | A material that lets NO light pass through it. |
What is a prism? | A clear object that bends light and reveals all colors of the spectrum. |
What is reflection? | The bouncing off of light from an object. |
What is refraction? | The bending of light when it moves through an object. |
What is bio luminescence? | When an animal glows! The result of a chemical reaction inside an animal's body. |
Can we see all light? | No, we can only see the visible light spectrum. |
What is light? | A type of energy that makes vision possible. |
What are rods and cones? | Receptors in our eyes that allow us to see in black, white and color! |