DHS PS CH 10/11 Test Review (online)
Help!
|
|
||||
|---|---|---|---|---|---|
| What type of waves does matter in the medium move back and forth at right angles to the direction the wave travels? | tranverse
🗑
|
||||
| A material through which a wave transfers energy is called a? | medium
🗑
|
||||
| An example of a wave is? | earthquake
🗑
|
||||
| Sound would not travel through this type of medium? | vacuum
🗑
|
||||
| What type of waves are sound waves? | compressional
🗑
|
||||
| A repeating disturbance that transfers energy through matter or open space is a? | wave
🗑
|
||||
| What do waves carry? | energy
🗑
|
||||
| In what type of waves does matter in the medium move back and forth and in the same direction the wave travels? | compressional
🗑
|
||||
| What type of wave can travel through outer space? | light
🗑
|
||||
| A combination of compressional and transverse waves are called? | seismic waves
🗑
|
||||
| What is a measure of the energy in a wave? | amplitude
🗑
|
||||
| What are the highest points of a transverse wave called? | crests
🗑
|
||||
| _________ is how many wavelengths pass a fixed point each second? | frequency
🗑
|
||||
| The lowest points of a transverse wave are called? | troughs
🗑
|
||||
| What is the less dense region of a compressional wave called? | rarefaction
🗑
|
||||
| Transverse waves do not have? | rarefactions
🗑
|
||||
| As a frequency increases, wavelength _____? | decreases
🗑
|
||||
| a repeating disturbance or movement that transfers energy throughmatter or space is called a? | wave
🗑
|
||||
| Molecules pass energy on to? | neighboring molecules
🗑
|
||||
| All waves are produced by something that? | vibrates
🗑
|
||||
| A material through which a wave travels is called a? | medium
🗑
|
||||
| A medium may be what type of matter? | solid, liquid, or a gas
🗑
|
||||
| What type of waves do not need a medium to travel through? | light waves
🗑
|
||||
| What type of waves can travel only through matter? | mechanical waves
🗑
|
||||
| What type of waves does the matter in the medium move back and forth at right angles to the direction that the wave travels? | transverse waves
🗑
|
||||
| What is an example of a transverse wave? | water waves
🗑
|
||||
| What type of waves does the matter in the medium move in the same direction that the wave travels? | compressional waves
🗑
|
||||
| An example of a compressional wave is? | sound waves
🗑
|
||||
| What are ways that waves differ? | *how much energy they carry *how fast they travel *how they look
🗑
|
||||
| What type of waves have crests and troughs? | transverse waves
🗑
|
||||
| The highest point in a wave is called? | crests
🗑
|
||||
| The lowest points in a wave is called? | troughs
🗑
|
||||
| What type of waves have compressions and rarefactions? | Compressional waves
🗑
|
||||
| The dense regions in waves are called? | compressions
🗑
|
||||
| The less dense regions in waves are called? | rarefactions
🗑
|
||||
| The distance between one point in the wave and the nearest point just like it is called? | wavelength
🗑
|
||||
| How many wavelengths pass a fixed point each second is called? | frequency
🗑
|
||||
| Frequency is expressed in? | hertz (Hz)
🗑
|
||||
| As frequency increases wavelength? | decreases
🗑
|
||||
| The frequency of a wave equals the rate of? | vibration of the souce that creates it
🗑
|
||||
| How fast a wave moves forward is called? | wave velocity
🗑
|
||||
| wave speed equals? | wavelength x frequency
🗑
|
||||
| Light waves travel _____ than sound waves? | faster
🗑
|
||||
| Sound waves travel faster in this than in a gas? | liquids and solids
🗑
|
||||
| Light waves travel faster in _____ than empty space than in liquids and solids? | gases
🗑
|
||||
| A measure of the energy in a wave is called? | amplitude
🗑
|
||||
| The more energy a wave carries, its amplitude will be? | greater
🗑
|
||||
| Amplitude of compressional waves is related to how? | tightly the medium is pushed together at the compression
🗑
|
||||
| The denser the compressions, the ______ the amplitude is and the more energy the wave carries | larger
🗑
|
||||
| The less dense the rarefactions, the ______ the amplitude and the more energy the wave carries. | larger
🗑
|
||||
| In a thunderstorm, why do you see the lightning before you hear the thunder? | Light waves travel much faster than sound waves
🗑
|
||||
| When does reflection happen? | when a wave strikes an object and bounces off of it
🗑
|
||||
| What types of waves can be reflected? | all waves
🗑
|
||||
| The angle of incidence of a wave is always equal to the angle of? | reflection
🗑
|
||||
| An imaginary line perpendicular to reflective surface is called? | normal
🗑
|
||||
| The angle formed by the wave striking the surface and the normal is called? | angle of incidence
🗑
|
||||
| The angle formed by the reflected wave and the normal is called? | Angle of reflection
🗑
|
||||
| The bending of a wave caused by a change in its speed as it moves from one medium to another is called a? | refraction
🗑
|
||||
| The greater the change in speed is, the wave bends? | more
🗑
|
||||
| When a wave passes into a material that slows it down, the wave is bent how? | toward the normal
🗑
|
||||
| When a wave passes into a material that speeds it up, the wave is bent how? | away from the normal
🗑
|
||||
| An object that causes a wave to change direction and bend around it is called a? | diffraction
🗑
|
||||
| If the obstacle is smaller than the wavelength, the wave diffracts? | around it
🗑
|
||||
| If the obstacle is much larger than the wavelength, the wave diffracts? | not at all, it reflects
🗑
|
||||
| The larger the obstacle is compared to the wavelength, the waves will diffract? | less
🗑
|
||||
| The ability of two or more waves to combine and form a new wave is called? | interference
🗑
|
||||
| Waves pass right through each other and continue in? | their original direction
🗑
|
||||
| New, or composite, waves exist only while the two original waves continue to? | overlap
🗑
|
||||
| This is when waves add together? | constructive interference
🗑
|
||||
| This is when waves subtract from each other? | destructive interference
🗑
|
||||
| What type of wave is a wave pattern that stays in one place? | standing waves
🗑
|
||||
| What type of waves from when waves of equal wavelength and amplitude that are traveling in opposite directions continuously interfere with each other? | standing waves
🗑
|
||||
| The places where two waves always cancel each other is called? | nodes
🗑
|
||||
| What is the ability of an object to vibrate by absorbing energy at its natural frequency? | resonance
🗑
|
||||
| T/F: AM radio waves have longer wavelengths than FM radio waves making their reception much better around tall buildings and mountains | True
🗑
|
||||
| T/F: Refraction occurs when an object causes a wave to change direction and bend around it. | False
🗑
|
||||
| Reflection occurs when a wave? | strikes an object and bounces off of it
🗑
|
||||
| If you stand next to a swimming pool and see an object under water, it will seem to be? | closer to the surface than it really is
🗑
|
||||
| What is an imaginary line perpendicular to the surface of a medium where a wave strikes it? | normal
🗑
|
||||
| What happens when waves bend around a barrier? | diffraction
🗑
|
||||
| What is the process in which two waves overlap and form a new wave? | interference
🗑
|
||||
| When a wave pattern forms when waves of equal wavelength and amplitude, but traveling in opposite directions, continuously interfere with each other it is a? | standing wave
🗑
|
||||
| The ability of an object to vibrate by absorbing energy at its natural frequency is called? | resonance
🗑
|
||||
| Sounds are produces by? | vibrations
🗑
|
||||
| What type of waves are sound waves? | compressional
🗑
|
||||
| Two types of regions that make up compressional waves are? | compressions and rarefactions
🗑
|
||||
| The matter through which all sound waves travel is called? | a medium
🗑
|
||||
| Sound waves cannot travel in? | empty space
🗑
|
||||
| Sound will travel fastest in what type of medium? | solids
🗑
|
||||
| How does temperature of a medium affect the speed of sound waves? | as the temperature of a substance increases, sound waves in it move faster
🗑
|
||||
| In the human ear, sound waves are gathered in the? | outer ear
🗑
|
||||
| What is the spiral-shaped structure filled with liquid in the human ear? | cochlea
🗑
|
||||
| Sound will travel the slowest in what type of meduim? | air
🗑
|
||||
| What is the amount of energy that flows through a certain area in a specific amount of time called? | intensity
🗑
|
||||
| The human perception of sound intensity is called? | loudness
🗑
|
||||
| The intensity of sound is measure din units called? | decibels
🗑
|
||||
| The human perception of sound frequency is called? | pitch
🗑
|
||||
| Waves that have sound frequencies above 20,000 Hz are called? | ultrasonic
🗑
|
||||
| The change in pitch due to a moving wave source is called? | the Doppler effect
🗑
|
||||
| As an ambulance races toward you and then past you, what would the pitch of its siren do? | higher then lower
🗑
|
||||
| If you are lying on a raft, and you notice that the number of waves that go past the raft increases, you also find that the distance between each crest? | decreases
🗑
|
||||
| What type of waves are seismic waves | both transverse and compressional
🗑
|
||||
| If the intensity of a sound decreases, what else decreases? | loudness
🗑
|
||||
| When you squeeze together the coils of a spring and then release the, you a creating what type of wave? | compressional
🗑
|
||||
| A tuning fork starts to vibrate when a certian note is played on the piano. This is an example of? | resonance
🗑
|
||||
| The intensity of a sound describes? | it's loudness at a particular distance
🗑
|
||||
| Frequency is best explained as? | the number of wavelengths that pass a point per second
🗑
|
||||
| The way your brain interprets the intensity of a sound is called? | loudness
🗑
|
||||
| Sound travels in what type of wave? | compressional
🗑
|
||||
| Resonance refers to an effect in which the ? | vibration of one object causes another object to vibrate at natural frequencies
🗑
|
||||
| How does temperature of a medium affect the speed of sound waves? | as the temperature of a substance increases, sound waves in it move faster
🗑
|
||||
| A wave will travel only as long as it has what to carry it? | energy
🗑
|
||||
| For the Doppler effect to occur what must happen? | either source or listener must be moving
🗑
|
||||
| For a given wave, if the frequency doubles, the wavelength? | is halved
🗑
|
||||
| The energy a wave carries is measured by it's? | amplitude
🗑
|
||||
| When the crest of one wave passes through the trough of another wave, what takes place? | destructive interference
🗑
|
||||
| The pitch of a sound is most closely related to the? | frequency of vibrations
🗑
|
||||
| The less-dense region of a sound wave is a? | rarefaction
🗑
|
||||
| Because water waves have both horizontal and vertical motion, the are considered to be what type of waves? | transverse and compressional
🗑
|
||||
| An example of a transverse wave is? | an ocean wave approaching the shore
🗑
|
||||
| When a sound wave strikes your eardrum, it causes forced vibrations that are transferred to the? | hammer, anvil, and stirrup
🗑
|
||||
| You are creating a wave on a spring. If you start shaking the spring more slowly, the wavelength of the resulting wave will? | increase
🗑
|
||||
| The speed of sound in this medium is greater than the speed of sound in water? | steel
🗑
|
||||
| The unit used to measure frequency is called? | hertz
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
basmith
Popular Physical Science sets