Chapter 9 & 10 Test
About this set
Created by:
JGDenver on April 22, 2010
Subjects:
Description:
vocab and questions that we needed to know for the chapter 9 and 10 test
Classes:
Junior High Workers, Science Vocabulary and Study Guides
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35 terms
Terms | Definitions |
|---|---|
 electromagnetic Spectrum | The range of electromagnetic waves placed in a certain order |
| thermogram | An image that shows regions of different temperatures in different colors |
| opaque | A material that reflects or absorbs all light that strikes it |
| translucent | A material that scatters light as it passes through |
| diffuse Reflection | Reflection that occurs when parallel rays of light hit a rough surface and all reflect at different angles |
| convex | Having a surface that curves outward rather than inward |
| virtual Image | An upright image formed where rays of light appear to meet or come from |
| index of Reflection | The amount a ray of light bends when it passes from one medium to another |
| illuminated | Word used to describe an object that can be seen because it reflects light |
| umbra | The darkest part of a shadow |
| photoelectric Effect | The movement of electrons in a substance when light is shined on it |
| visible Light | Electromagnetic radiation that can be seen with the unaided eye |
| transparent | A material that transmits light |
| regular Reflection | Reflection that occurs when parallel rays of light hit a smooth surface and all reflect at the same angle |
| image | A copy of an object formed by reflected or refracted rays of light |
| concave | Curved inward; like the inner surface of a bowl or sphere |
| real Image | An inverted image image formed when rays of light meet |
| pigment | A substance used to color other materials |
| luminous | Word used to describe an object that can be seen because it emits light |
| penumbra | The part of a shadow surrounding the darkest part |
| colors of Visible Light | Red Orange Yellow Green Blue Indigo Violet |
| primary Colors of Light | Red Blue Green |
| examples of Radio Waves | RADAR and MRI |
| examples of Infrared Waves | Thermograms and the Heat from the Sun |
| examples of Visible Light | Rainbows and Any Objects that we can See |
| examples of Ultraviolet Light | Produce Vitamin D in the Body and Cancer |
| examples of X-Rays | Used in Gas and Oil Lines to look for leaks in the pipes |
| real Image | An inverted image formed when rays of light meet |
| light Actions | Reflected, Transmitted, or Absorbed |
| examples of Gamma Rays | Radiation Therapy and Detecting Activity in Outer Space |
| light Forms | Ray and Particle |
| reflection | The bouncing back of a wave |
| refraction | The bending of a wave |
| focal Point | The point at which rays of light meet, or appear to meet, after being reflected (or refracted) by a mirror (or lens) |
| polarized Light | Light that vibrates in only 1 direction |
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