Features of a wave and electromagnetic spectrum
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Order or waves | Radio waves, microwaves, infrared waves, ultraviolet waves, x-rays, gamma rays
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| Radio Waves | 1st...... longest wavelength, lowest frequency and energy. Used for televisions, radios, seeing inside the body etc.
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| Micro Waves | 2nd...... Part of the Radio Waves. shortest wavelength and highest frequency OF THE RADIO WAVES. Used for communication (satellites).
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| Infrared Waves | 3rd...... Type of electromagnetic (heat) radiation. Long wavelength and lower frequency and energy.
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| Ultraviolet Waves | 4th...... Type of electromagnetic radiation (relative to light).Ables body to make vitamin D. Too much can result in sunburns, skin cancer etc.
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| X Rays | 5th...... shorted wavelength and higher energy and frequency than Ultraviolet waves. Wilhelm Roentgen discovered them in 1895.
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| Gamma Rays | 6th...... Shortest wavelength and highest energy and frequency. Produced my hottest places on earth. Result from nuclear reactions. Focused gamma rays can be used to kill cancer cells.
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| Wave Crest | Highest point on a wave
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| Wave Trough | Lowest point on a wave.
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| Rest Position | where the water would lay if all were still.
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| Wavelength | The distance from a crest to crest or trough to trough.
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| Wave Amplitude | The hight or depth of a wave from rest position. Either from crest to rest position or trough to rest position.
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