Practice Assessment
Wave Practice Assessment
Instructions
Please complete this assessment on your own. Answer each item by clicking on the correct choice, then go on to the next item.
· 1) Which frequency of electromagnetism has higher energy and shorter wavelengths than visible light?
o A) white
o B) ultraviolet
o C) infrared
o D) black
· 2) What is true about the light a yellow school bus reflects and absorbs?
o A) It absorbs all colors of light except yellow.
o B) It reflects all colors of light except yellow.
o C) It absorbs only violet light.
o D) It reflects only violet light.
· 3) An apple looks red colored when it is seen in the sunlight. This is because apple ______the red light in the sun's spectrum.
o A) reflects
o B) transmits
o C) refracts
o D) absorbs
· 4) Which part of an object determines the colors of light it reflects?
o A) its interior
o B) its top
o C) its surface
o D) its bottom
· 5) Which color has the lowest frequency of light
o A) blue
o B) red
o C) yellow
o D) green
· 6) Green plants appear green because they______.
o A) absorb green light and reflect all other colors
o B) refract green light and reflect all other colors
o C) reflect green light and absorb all other colors
o D) transmit green light and reflect all other colors
· 7) What property of visible light accounts for the colors we see?
o A) speed
o B) amplitude
o C) frequency
o D) charge
o
· 8) What determines the color of light?
o A) The amplitude of a light wave.
o B) The frequency of a light wave.
o C) The velocity of a light wave.
o D) The power of a light wave.
· 9) Which color light wave has the highest frequency?
o A) red
o B) yellow
o C) green
o D) blue
· 10) Which of these energy forms has the longest wavelength?
o A) infrared rays
o B) visible light
o C) X-rays
o D) gamma rays
· 11) What happens to the light that hits a green object?
o A) Green light is absorbed, and all other colors are reflected.
o B) Green light is reflected, and all other colors are absorbed.
o C) Blue and yellow light are reflected, and all other colors are absorbed.
o D) Blue and yellow light are absorbed, and all other colors are reflected.
· 12) How do radio waves compare to visible light in terms of the energy?
o A) Radio waves carry more energy.
o B) Radio waves carry less energy.
o C) Radio waves and visible light carry the same energy.
o D) Neither radio waves nor visible light carry energy.
· 13) Which type of matter does sound travel through the slowest?
o A) solid
o B) liquid
o C) gas
o D) plasma
· 14) What type of sound waves would you expect to produce the music at a rock concert?
o A) Waves that are slow.
o B) Waves with high amplitude.
o C) Waves with low frequency.
o D) Waves with low amplitude.
· 15) A sound that is reflected is called ______.
o A) an echo
o B) a frequency
o C) a vibration
o D) a wavelength
· 16) Which characteristic of a sound wave affects volume?
o A) intensity
o B) wavelength
o C) frequency
o D) crest
· 17) What is created when sound is reflected?
o A) a sonic boom
o B) thunder
o C) an echo
o D) silence
o
· 18) As a train rushes away from a crossing, the pitch of its horn goes down because ______.
o A) sound waves get farther apart as the source of the sound moves closer
o B) sound waves get farther apart as the source of the sound moves away
o C) sound waves get closer together as the source of the sound moves away
o D) sound waves stay the same distance from each other as the source of the sound moves away
· 19) A student strikes a long iron pipe with a tuning fork. Another student at the end of the pipe hears two different sounds. What is the reason for the two different sounds?
o A) Air produces echo.
o B) Iron pipe produces echo.
o C) Sound moves faster in air than in iron.
o D) Sound moves faster in iron than in air.
· 20) When a sound wave hits the eardrum, what happens to the eardrum to allow the transmission of the sound to the inner ear?
o A) it ruptures
o B) it fills with liquid
o C) it vibrates
o D) it remains motionless
· 21) Which type of room would reflect sound the most?
o A) a room with corkboard walls
o B) a gym with a wooden floor and concrete walls
o C) a library filled with books
o D) All rooms reflect sound the same.
· 22) Which of the following would benefit from sound-absorbing walls?
o A) concert hall
o B) classroom
o C) recording studio
o D) gymnasium
· 23) What color is produced when an equal amount of red, green, and blue light is combine?
o A) black
o B) yellow
o C) brown
o D) white
· 24) Four bottles filled with different amounts of water are struck lightly with a fork. Wavelength of sound increases with an increase in water's depth.
Which bottle will produce sound that has the lowest pitch?
o A) P
o B) Q
o C) R
o D) S
· 25) In the ear, the part that is shaped like a snail shell and sends sound signals to the brain is called the ______.
o A) eustachian tube
o B) ear drum
o C) auditory nerve
o D) cochlea
· 26) Which part of the ear is a slightly stretched membrane that is the entrance to the middle ear?
o A) cochlea
o B) outer ear
o C) eardrum
o D) stirrup
· 27) The sound from a guitar is caused by the vibration of the strings. The ______of the sound can be changed by increasing or decreasing the rate of vibration.
o A) loudness
o B) tone
o C) pitch
o D) tempo
· 28) Which of the following determines the pitch of a sound wave?
o A) frequency
o B) mass
o C) density
o D) reflection
· 29) What is the frequencey of the longitudinal wave shown above?
o A) 12 waves per second
o B) 5 waves per second
o C) 6 waves per second
o D) 1 wave per second
· 30) In which medium will sound travel fastest?
o A) air
o B) water
o C) glass
o D) salt water
· 31) Use the picture below to answer this question.
Which of the parts of the ear, listed below, pick-up vibrations and turn them into sound we can hear?
o A) pinna
o B) eustachian tube
o C) ear canal
o D) ear drum
· 32) Placing your ear to the wall allows you to hear sounds from the next room more easily. This is because ______.
o A) the wall supports your ear better
o B) The wall transmits sound better than air
o C) you are paying more attention
o D) sound is reflected from the walls
· 33) Sound travels fastest through a ______.
o A) vacuum
o B) gas
o C) solid
o D) liquid
· 34) Which of the following forms of electromagnetic radiation has the longest wavelengths?
o A) X-rays
o B) radio waves
o C) ultraviolet rays
o D) visible light
· 35) Which part of the ear contains the hammer, anvil, and stirrup bones that act as levers to help increase sound vibrations?
o A) outer ear
o B) inner ear
o C) middle ear
o D) eardrum
· 36) Which statement is true of a sound wave?
o A) The intensity of the sound is based on the frequency of the sound wave.
o B) The lower the vibration the louder the volume.
o C) The intensity of the vibration affects the volume of sound.
o D) The higher the vibration the lower the sound.
· 37) When sound waves enter the eardrum, they strike a lightly stretched membrane over the entrance to the middle ear. What happens to this membrane that allows sound to be transmitted to the inner ear?
o A) it ruptures
o B) it fills with liquid
o C) it vibrates
o D) it remains motionless
· 38) If you increase the amplitude of a sound wave the sound becomes ______.
o A) higher
o B) softer
o C) lower
o D) louder
· 39) The speed of sound is faster in solids as compared to liquids and gases because ______.
o A) solids absorb less sound than liquids and gases
o B) solids do not scatter sound like liquids and gases
o C) molecules in solids do not move from their positions
o D) molecules in solids are closer than in liquid and gases
· 40) Sound travels the fastest through which of the following?
o A) hot air
o B) water
o C) cool air
o D) outer space
· 41) What happens to sound frequency as it moves away from the source?
o A) it decreases
o B) it increases
o C) it stays the same
o D) it decreases and then increases
o
· 42) A sound wave is traveling through a medium. The intensity of the sound is most affected by the _____.
o A) transparency of the medium
o B) length of the medium
o C) color of the medium
o D) material of the medium
· 43) Which part of the ear collects sound waves and directs them into the ear canal?
o A) eardrum
o B) outer ear
o C) inner ear
o D) cochlea
· 44) Fishermen use a depth finder to send ultrasonic waves into the water. The time it takes for sound waves to return helps them determine where to fish. Which property of sound reveals the location?
o A) frequency
o B) reflection
o C) intensity
o D) pitch
· 45) Which of the following is a form of energy on the electromagnetic spectrum?
o A) sound
o B) x-rays
o C) chemical energy
o D) kinetic energy
·
· 46) In the inner ear, vibrations created by sound are changed into electrical signals so that ______.
o A) the hair cells inside the cochlea can bend
o B) the outer ear can capture the sound
o C) the eardrum can vibrate
o D) the brain can interpret the vibrations
· 47) When does an echo occur?
o A) when light is reflected
o B) when sound is reflected
o C) when sound is muffled
o D) when light is refracted
· 48) Ultraviolet rays from the sun are dangerous because they can damage skin. Why do they cause damage?
o A) They are high in energy.
o B) They have long wavelengths.
o C) They are large in amplitude.
o D) They are vibrational waves.
· 49) What color is produced when red light combines with green light?
o A) purple
o B) blue
o C) yellow
o D) white
· 50) What does the number, such as 98.7 FM, of a radio station represent?
o A) The energy of the radio wave
o B) The wavelength of the radio wave
o C) The frequency of the radio wave
o D) The amplitude of the radio wave
· 51) Which of the following statements about visible light is true?
o A) Visible light makes up more than half of the electromagnetic spectrum.
o B) Visible light is not part of the electromagnetic spectrum.
o C) Visible light makes up the entire electromagnetic spectrum.
o D) Visible light makes up the smallest part of the electromagnetic spectrum.
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