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Color and Light Test
Study Guide for Science Light Test
| Question | Answer |
|---|---|
| What is most important source of natural light? | sun |
| What kind of material is a good reflector of light? | smooth, light colored, shiny |
| Why can we see things that do not send out light waves? | the light is reflecting off of it |
| When sunlight strikes snow, some of the sunlight is absorbed. What happens to the light energy that is absorbed? | it changes to heat energy |
| In the summer, why is the blacktop driveway hotter than the grass? | light rays absorbed by the blacktop are changed to heat energy |
| How does light pass through a translucent object? | bend in all different directions (refract) |
| How does light travel through the a flat transparent material? | in a straight line |
| What is Refraction? | bending of waves as they travel at an angle from one medium to another |
| What happens to an image when light rays pass through a convex lens? | it is upside down |
| Which reflects more light? A yellow piece of paper or a black piece of paper? | yellow |
| True or False: White light contains all the color in the visible spectrum | True |
| What are the colors of the spectrum in order? | Red, Orange, Yellow, Green, Blue, Indigo, Violet |
| Why can't you see your reflection in a wooden door? | The light is not reflected directly back at you. The light waves scatter and bend at different angles. |
| What are two sources of light? | natural and artificial |
| What is it called when light bounces back from a surface? | reflection |
| How much light does a transparent object let pass through? | most |
| What is an example of a transparent object? | window |
| How much light does a translucent object let pass through? | some |
| What is an example of a translucent object? | wax paper |
| How much light does a opaque object let pass though? | none |
| What is an example of a opaque object? | wood |
| What colors of light does a black shirt absorb? | All |
| What colors of light does a white shirt absorb? | None |
| Why does a pencil appear fatter and broken when put into a glass of water? | The water is refracting light rays from the pencil. |
| What color do you get when red and blue light are mixed together? | majenta |
| What color do you get when red and green light are mixed together? | yellow |
| What color do you get when blue and green light are mixed together? | cyan |
| What, in your eye, adjusts to focus an image? | lens |
| What, in your eye, does the lens focus the image on? | retina |
| What type of lens does your eye contain? | convex |
| Where is the retina located in your eye? | the back |
| What is the part of your eye that is colored and regulates the size of the pupil by contracting and expanding around it? | iris |
| What connects your brain to your retina? | optic nerve |
| What is the round opening in your eye that controls the amount of light that goes onto the retina? | the pupil |
| What is the white part of your eye called? | the sclera |
Created by:
Adamsthornell
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