Sound is a type of energy that requires matter to travel. This energy is best described as, electrical energy, mechanical energy, chemical energy, nuclear energy, What must happen first for a sound to be produced?, Air molecules collide, An object vibrates, Eardrum moves, Sound waves reach brain, In what correct sequence do the following events occur when you hear a sound?, 2 → 3 → 1, 1 → 2 → 3, 3 → 1 → 2, 2 → 1 → 3, If a ringing alarm clock is placed inside a sealed vacuum chamber with all air removed, what will happen?, Ring louder, Lower pitch, No sound outside, High-pitched sounds, In a diagram showing sound traveling from a radio speaker to a listener, the small dots represent, sound waves, pieces of musicv, electrical current, vibrating air molecules, What is actually moving across the room when sound travels from a television to your ears?, Air molecules, Energy in waves, Bits of speaker, Sound particles, A very loud concert causes windows in a nearby building to rattle and shake. The best explanation is that, magnetic pull, vibrations transfer energy, music to heat, electricity moves windows, Scientists measured the speed of sound in air at several temperatures. What trend does this data show?, Higher temp, slower sound, No effect on speed, Higher temp, faster sound, Constant above 20°C, Why does sound usually travel faster in warmer air than in cooler air?, Warm air molecules faster, Cool air packed tightly, Warm air removes energy, Cool air better transfer, Sound travels much faster through steel than through air under the same conditions. The main reason is that, Steel molecules farther, Air transfers efficiently, Solids pass vibrations, Gases have more energy, In an experiment comparing sound speed, why is the speed slowest in oxygen?, Gas particles farther, Oxygen vibrates slowly, Aluminum transfers better, Water blocks sound, Which statement best explains why the thinnest band produces the highest pitch?, Bands are longer, Vibrate slowly, Higher frequency, Absorb sound energy, When a guitar player plucks any of the strings, which part transfers energy to create sound?, Thickest string, Thinnest string, All plucked strings, None of the strings, A student taps a row of drinking glasses filled with different amounts of water. The glass with the least water usually makes the, Lowest pitch, Loudest sound, Softest sound, Highest pitch, In a water xylophone experiment, adding more water to a glass will usually cause that glass to produce, Higher pitch, Lower pitch, Louder sound, No change, Which musical instruments produce sound mainly by vibrating strings? (Select ALL correct answers.), Violin, Flute, Guitar, Trumpet, A student builds a rubber-band guitar and notices that tighter rubber bands produce higher pitches than looser ones. This happens because tighter bands, Vibrate slowly, Have more mass, Vibrate faster, Transfer less energy, How many different pitches can be played on a five-glass water xylophone if each glass contains a different amount of water?, One pitch, Two pitches, Five pitches, More than ten, To create an even higher pitch on a water xylophone, a student could, Add more water, Remove water, Tap harder, Move glasses apart, A student wants to make a sound wave model using a slinky. When the student creates compressions and rarefactions, the model best represents, Light travels, Sound travels, Heat moves, Electricity flows

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