Answer the following questions to be prepared for our Unit Sound Test next week on Tuesday, April 23, 2019.
- Explain how & why adding different amounts of water in a glass bottle changes the pitch when blowing across the top of bottle.
- Explain how & why adding different amounts of water in a glass bottle changes the pitch when tapping the bottle with a marker.
- Label each part of a wave (wavelength, crest, trough, amplitude, resting point)
- Label oscilloscope graphs according to: loudness, pitch, frequency, amplitude, wavelength
- Draw to change the amplitudes and frequencies of graphs
- Describe in detail how auto-tune works when the pitch needs to be higher
- Describe in detail how auto-tune works when the pitch needs to be lower
- Identify wave pulses, standing waves, longitudinal waves
- Discuss the amplitude and frequency of each of the waves in #8
- Identify the parts of the outer, inner, and middle ear
- Discuss the function of the parts of the ear
- Describe how loud sounds affect hearing
- Identify & correct true and false statements concerning how waves move through different mediums(disturbance, electromagnetic, gas, liquid, mechanical, solid, sound, vacuum, vibration)
- Create if / then statements between: loudness, pitch, frequency, amplitude, wavelength
- Explain how a tsunami begins, rises, and ends
- Explain how waves travel through different mediums using video, text, or lab evidence
- Identify analog and digital signals
- Identify analog and digital items
- List advantages and disadvantages of analog signals
- List advantages and disadvantages of digital signals
- Sketch difference between how cell phones and wired phones send signals (extra)