Question | Answer |
Stethoscope | An instrument used to hear heartbeats |
Medium | Matter through which sound can travel |
Vacuum | Space that does not contain matter, including air |
Decibel | Unit of measurement of sound intensity |
Intensity | Loudness or softness of a sound |
Pitch | The highness or lowness so a sound |
Volume | How loud or soft a sound is |
Sound receiver | Something that attracts responds to, or hear a sound. |
Sound source | Anything that detects , responds to, hear a sound |
Frequency | The number of vibrations made in one second |
Energy | The ability to do work |
Vibration | A motion that causes sound |
Sound discrimination | To detect similarities and difference when listening |
Describes what happens to a sound when an object stops vibrating. | The sound stops. |
Explain why you'll see lightning before you hear thunder. | You see lightning before you hear thunder because light travels faster than sound. |
Explain why sound can not travel in a vacuum | Sound is the vibration of molecules since there is absolutely nothing in a vacuum there are no molecules to vibrate |
How does the type of matter(solids, liquids, and gasses) affect the volume? | The higher the amplitude of the sound wave the louder the sound. The frequency and amplitude are the sound wave is the highest in a solid. |