ZAP! Waves.

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Presentation transcript:

ZAP! Waves

A wave is a disturbance that transfers _____________ from one place to another without transferring matter. ENERGY

Transverse -or- longitudinal? In what type of mechanical wave does the matter move up and down, perpendicular to the wave of energy moving through the medium? TRANSVERSE

The material in which a mechanical wave travels is called a ____________ . MEDIUM

Mechanical -or- electromagnetic? __________________ waves cannot travel through a vacuum (empty space, no matter). MECHANICAL

Amplitude, frequency –or- wavelength? The ____________ of a wave is the number of wavelengths that pass by a given point each second. FREQUENCY

The SI unit for frequency is _________ (Hz). HERTZ

True -or- false? As the frequency of a wave increases, its wavelength decreases. TRUE

transverse wave are called _________. The highest points on a transverse wave are called _________. CRESTS

transverse wave are called _________. The lowest points on a transverse wave are called _________. TROUGHS

Transverse -or- longitudinal? In what type of mechanical wave does the matter move back and forth, parallel to the wave of energy moving through the medium? LONGITUDINAL

How many vibrations would produce a transverse wave with three crests and three troughs or a longitudinal wave with three compressions and three rarefactions? THREE

Mechanical -or- electromagnetic? ____________ waves can travel through a medium and are also capable of traveling through empty space. ELECTROMAGNETIC

Amplitude, frequency –or- wavelength? _____________ is the maximum distance the particles in a medium move up and down or back and forth from their rest position as the wave passes through the medium. AMPLITUDE

Which letter is representing a trough in the this wave? B C D B

True -or- false? The smaller the amplitude, the more energy the wave carries. FALSE

True -or- false? The speed of a wave depends on its wavelength and its frequency. TRUE

Amplitude, frequency –or- wavelength? A _________ is the distance from one point on a wave to the same point on the next wave. WAVELENGTH

In the following group of waves, which has the highest frequency? 4

Which letter is representing a rarefaction in this longitudinal wave? B B

Transverse -or- longitudinal?

Transverse -or- longitudinal?

Which wave is transferring the most amount of energy? 4

Wave speed = frequency X wavelength A wave that has a frequency of 10 Hz and a wavelength of 2m is traveling at what speed? 20 m/s