Wave Anatomy
Frequency/Amplitude
Wave Characteristics
Wave Interactions
Seeing/Hearing
100
_____________ waves have compressions and rarefactions.
_____________ waves have crests and troughs
Compressional/ longitudinal; Transverse
100
____________ measures pitch (how high or low); ____________ measures volume (how loud or soft)
Frequency; Amplitude
100
#4: What do playing a guitar, banging a drum, and dropping a pebble in the water have in common?
a) they all produce light
b) they all cause vibrations
c) They all convert heat to energy
d) They all need gravity to move
B) They all cause vibrations
100
Which type of waves have to travel through a medium:
a) mechanical
b) electromagnetic
a) mechanical
100
3: Why does the leaf of a plant look green?
a) because it absorbs green light
b) because it reflects green light
c) because it absorbs only yellow and blue light
d) because it reflects a mixture of yellow and blue
B) it reflects green light
200
Number 2 on your paper: The distance between identical points on a wave
Wavelength
200
2. A wire is cut into four pieces of different lengths. Each piece is stretched between two supports to the same tightness. Which of the pieces, shown below, would give the highest pitch
a) _______
b) __________
c)______________
d) __________________
A
200
#7: What is the distance between two consecutive points in phase on a wave called?
a) frequency
b) period
c) amplitude
d) wavelength
d) wavelength
200
11: Light is bent as it passes from the air into the lens of eyeglasses. This bending is called:
a) reflection
b) refraction
c) interference
d) shifting
b) refraction
200
8: which statement best explains why thunder is heard after lightning is seen?
a) light travels faster than sound
b) light travels slower than sound
c) thunder is produced by the impact of lightning against the ground
d) the eye works faster than the ear
a) light travels faster than sound
300
Number 4 on your paper: The section of a wave that lies below the median line (lowest point on a transverse wave)
Trough
300
#1: A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave?
a) frequency
b) amplitude
c) Wavelength
d) Speed
B
300
19: How can you classify energy according to its waves?
a) according to frequency, amplitude, and loudness
b) according to the waves wavelength
c) according to the crests and troughs
d) according to sound
b) according to the wavelength
300
17: which best explains the image:
a) each color of light bends at a different angle
b) each color of light bends at the same angle
c) white light is made of one wavelength of light
a) each color of light bends at a different angle
300
5: A child is playing with her toy ball. Which is the pathway of light that allows the child to see the ball?
a) light bulb->eye->ball
b) child's eyes->light bulb->ball
c) ball->light bulb->child's eye
d) light bulb-> ball-> child's eye
d) light bulb->ball->child's eye
400
#1 on your paper: The height of a wave above the median line (the distance between nodal line and crest for example)
Amplitude
400
#20. A tone that is lower in pitch is lower in what characteristic?
a) frequency
b) wavelength
c) Loudness
D) Resonance
A) frequency
400
9: Regions in a sound wave where particles are farthest apart:
a) compressions
b) condensations
c) depressions
d) rarefactions
d) rarefactions
400
13: In which medium would sound move the fastest?
a) vacuum
b) air
c) water
d) steel
d) steel
400
10: Which situation would cause your pupils to change from small to large?
a) light got dimmer
b) the light got brighter
c) the person looked a distant object
d) the person looked at a closer object
a) light got dimmer
500
Number 3 on your paper: The section of the wave that rises above the median line ( the highest point on a transverse wave)
Crest
500
Which wave has the highest frequency?
4
Now look at question 18 in your packet
500
6: Sound waves, water waves, and light waves are all alike in that they all:
a) move energy from one place to another
b) move at the same speed
c) move without vibrating
d) move fastest in the water
A) move energy from one place to another
500
12 and 14: Different wavelengths of light are seen as different ____________; The human ear receives sound waves as _____________
a) colors; vibrations
b) speeds, pitch
a) colors; vibrations
500
15: A person becomes deaf due to part of the ear that sends signals to the brain becoming damaged. What part of the ear is this?
a) drum
b) cochlea
c) ossicles
d) ear canal
b) cochlea