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Sci Ch 11 Unit Test
Physical Science Chapter 11 Unit Test
| Question | Answer |
|---|---|
| ____is measured in hertz. | Frequency |
| ____is energy carried by an electromagnetic wave. | Radiant Energy |
| The type of electromagnetic waves that you have the most experience with is____. | Visible light |
| The energy of the____is dependent on its frequency. | Photon |
| By using the_____you can determine your exact position and altitude. | GPS |
| Energy transmitted by____will feel waves. | Infrared Rays |
| The rays that can damage skin are known as_____. | Ultraviolet Rays |
| Doctors and dentists can apply low doses of_____onto photographic film. | X-Rays |
| Radiation therapy uses_____to kill diseased cells. | Gamma Rays |
| ____are not the same as sound waves. | Radio Waves |
| Cordless and cellular telephones are examples of____. | Transceivers |
| Vibrating electric charges that travel through space are known as____. | Electromagnetic Waves |
| The___is the frequency of the electromagnetic wave that the radio station is assigned. | Carrier Waves |
| The picture part of a television is____. | Cathode-ray tube |
| Each color of visible light has a different____. | Wavelength |
| When gamma rays pass through living tissue they damage_____. | Molecules |
| To track a hurricane meteorologist use_____. | Radar |
| The unit of radiant energy is the_____. | Photon |
| Television video signals are sent by______modulation. | Amplitude |
| The ozone layer protects us from too much_____Radiation. | Ultraviolet |
| As the wavelength of an electromagnetic decreases its frequency_____. | Increases |
| As the frequency of an electromagnetic wave decreases its energy_____. | Decreases |
| Cellphones use______waves to transmit information. | Radio Waves |
| Electromagnetic waves carry______. | Energy |
| FM radio wave frequencies are_____AM waves. | Higher than |
| Which part of the electromagnetic spectrum can humans detect with their eyes? | Visible Light |
| Which waves are used to inspect luggage at airports. | X-rays |
| Which electromagnetic waves have the highest frequency. | Gamma Rays |
| In which ways can ultraviolet waves be useful? | Vitamin D and killing bacteria |
| What two types of electromagnetic waves do microwaves overlap? | Radio and Infrared |
| What type of wave borders visible light at the red end of its range. What type of wave borders the violet end. | 1.(Infrared) 2.(Ultraviolet) |
Created by:
P.V.A.