Waves Worksheet
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Created by:
acdcluvrs Plus on May 3, 2009
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20 terms
Terms | Definitions |
|---|---|
 What is a wave? | A disturbance that carries energy through matter. |
| What is a medium? | A substance through which waves travel. |
| Give an example of a medium. | Air, rope, water, and train-tracks. |
| How does sound travel differently in different mediums? | The speed changes. |
| What types of waves does not require a medium to travel? | Electromagnetic. |
| What can a mechanical wave, such as sound, not travel through? | Vacuum of space. |
| What are three characteristics that all waves have? | Amplitude, wavelength, and frequency. |
| What is the amount of time it takes for a wave to travel the distance of one wavelength? | Period. |
| What is the measurement of the amount of energy carried by a wave, it can be measured from the mid-point of the wave to the crest or trough? | Amplitude. |
| What is the number of crests that passes a point per second? | Frequency. |
| What is the measurement of frequency? | Hertz. |
| X-rays, microwaves, and radio waves are all what type of wave? | Electromagnetic which is also transverse waves. |
| Sound waves are what type of waves? | Longitude which is also mechanical waves. |
| Why do you hear the clap of thunder after you see the bolt of lightning? | Because the waves travel at different speeds. Sound is slower then light. |
| What is faster than sound? | Light. |
| Give an example of reflection. | Echoing (bouncing back), a mirror. |
| What is the bending of waves due to the change in speed of medium? | Refraction. |
| What is the bending of waves around an object? | Diffraction. |
| What is constructive interference or reinforcement? | Its when the crest of one wave overlaps the crest of another wave, resulting in an increased amplitude. |
| What is destructive interference or cancelation? | When the crest of one wave overlaps the trough of another, the amplitude is reduced. |
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