Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Chapter 3 & 4
EMS and Light
| Question | Answer |
|---|---|
| Electromagnetic Wave | A transverse wave that involves the transfer of electric and magnetic energy. |
| Electromagnetic radiation | The energy that electromagnetic waves transfer through matter or space. |
| Electromagnetic Spectrum | The complete range of electromagnetic waves placed in order of increasing frequencies. |
| Radio Waves | Electromagnetic waves with the longest wavelength and the lowest frequency. |
| Gamma Waves | Electromagnetic waves with the shortest wavelength and the highest frequency. |
| Transparent | A material that transmits most of the light that strikes it. |
| Translucent | A material that allows some light to pass through and scatters it. |
| opaque | A material that reflects or absorbs all of the light that strikes it. |
| lens | a curved piece of glass or other transparent material that refracts light. |
| Convex Lens | Thicker in the center than at the edges. |
| Concave lens | Thinner in the center than at the edges. |
| Cornea | Light enters the eye through the transparent front surface. |
| Pupil | An opening through which light enters the inside of the eye |
| Iris | A ring of muscle that contracts and expands to change the side of the pupil. |
| Retina | A layer of cells that lines the inside of the eyeball. |
| Rods | Are cells that contain a pigment that responds to small amounts of light. These cells allow you to see in dim light. |
| Cones | Cells that respond to color |
| Optic Nerve | The rods and cones send signals to the brain along this nerve. |
Created by:
creedenb
Popular Earth Science sets