1 Which Material Will Sound Travel Through the Fastest?
Name: ______Date: ______
Assessment
Directions: Read each question and choose the BEST answer. Circle the letter of the answer choice.
1] Which material will sound travel through the fastest?
A water
B air
C steel
D cloth
2] Which technique is the boat using to find the distance from the surface of the ocean to the bottom?
F Morse Code
G radio
H sonar
J sound tracking
3] Sound waves travel best through ___.
A gases
B liquids
C solids
D vacuums
Name
4] ______is a form of energy produced and transmitted by vibrating matter.
A Light
B Heat
C Sound
D Pitch
5] The distance between two compressions in a sound wave is called _____.
F a wavelength
G a frequency
H a pitch
J an amplitude
6] Pitch is determined by the ______of a vibrating object.
A amplitude
B pitch
C wavelength
D frequency
7] Sound travels in --
F transverse waves
G compressional waves
H straight lines
J a vacuum
8] Which diagram shows a wave with the highest frequency?
9] What must musical instruments do in order to produce sound?
F rotate
G absorb
H amplify
J vibrate
10] The ______of sound is the number of vibrations in a given unit of time.
A amplitude
B pitch
C wavelength
D frequency
11] Objects vibrating faster have a ______pitch than objects vibrating slower.
F lower
G higher
H softer
J louder
12] Sound is ______when it resonates.
A amplified
B absorbed
C transmitted
D reduced
13] Sound travels more quickly through _____.
F liquids than through solids
G air than through water
H gases than through liquids
J solids than through liquids or gases
14] The places in a sound wave where the molecules are very closely packed are _____.
A peaks
B rarefactions
C echoes
D compressions
15] When sound waves are trapped or are not able to travel any further, they are _____.
F transferred
G absorbed
H reflected
J transmitted
16] Which statement is true?
A Animals and humans hear
EXACTLY alike.
B Animals can ONLY hear sounds
ABOVE the range of human
hearing.
C Animals can ONLY hear sounds
BELOW the range of human
hearing.
D Animals can hear sounds ABOVE
and BELOW the range of human
hearing.
17] The unit used to express the intensity or volume of sound is the _____.
F decibel
G rarefaction
H hertz
J compression
18] When sound reflects off a surface, we may hear
F an echo
G an ultrasonic phenomena
H the Doppler Effect
J a pitch
19] If the frequency of a sound is high,
then ______.
A the pitch is low
B the pitch is high
C the intensity is low
D the intensity is high
20] The area of a sound wave where the molecules are widely spread apart is the ___.
F hertz
G ultrasonic area
H rarefaction area
J compressional area
21] The device that detects the depth, size, and distance of objects underwater by means of sound waves is _____.
A an oscilloscope
B a decibel meter
C a sonar
D a range finder
22] The type of energy that sets up compressional waves that vibrate molecules is _____.
F gas energy
G sound energy
H light energy
J mechanical energy
23] Sound waves that pass through a material
are _____.
A louder
B transmitted
C reflected
D absorbed
24] The rapid back-and-forth motion of matter resulting in a sound wave is _____.
A a rarefaction
B a compression
C an echo
D a vibration
25] The frequency and pitch of a sound is measured in this unit _____.
F hertz
G degree
H decibel
J compression
26] When sound waves bounce off a surface, they are ______.
A absorbed
B transmitted
C transferred
D reflected
27] ______is how high or low a sound seems.
A Frequency
B Pitch
C Intensity
D Rarefaction
28] Sound waves cannot travel through _____.
A a vacuum (empty space)
B solid
C liquid
D gas
29] Why does sound travel faster through solids than through air?
A molecules of liquids are farther apart than
molecules of air
B molecules of air are packed together the
same as molecules of solids
C molecules of solids are closer together than
molecules of air
D molecules of solids are farther apart than
molecules of air
30] If you wish to keep the level of sound low in a house, you might want to use ______in the house.
A wood floors
B tile floors
C carpeting
D no curtains
31] Bats often live in caves where there is no light. Bats make high-pitched sounds when they are flying in the caves. How do bats determine the distance between themselves and other objects?
A Their eyes can see in the dark.
B Their sounds bounce off objects and return
to the bat.
C Their sounds light up caves.
D Their sounds go through objects never
returning to the bat.
32] Small musical instruments like a flute usually have a _____.
A high pitch
B low pitch
C big amplitude
D small amplitude
33] Vibrating objects send out sound waves that travel _____.
A in front of the object
B in all directions
C in front and beside the object
D behind the object
#34 & 35 – Read carefully and follow the directions given.
34] Write the letter of the correct part beside each word.
trough wavelength crest
35] Write the letter of the correct part beside each word.
compression rarefaction
36] The chart below shows the high temperature each day for a week. Use graph paper and create a line graph of this data.
Day / TemperatureSunday / 78°
Monday / 80°
Tuesday / 75°
Wednesday / 83°
Thursday / 88°
Friday / 90°
Saturday / 94°
37] The list below the range of spelling test scores for three students.
Joe 80 – 95
Sue 70 – 90
Mark 60 – 70
Which student’s score show the greatest measure of variation?
How do you know?
38] You may use a calculator for this question.
Give the decimal and percent that is equal to 1518 .
39] You may use a calculator for this question.
A chicken can hear sound from 125 Hz to 2000 Hz. What is the range of this data?
40] Use a protractor to measure the angle.
41] The graph below shows how the number of books of flower stamps in a vending machine changed over a period of hours.
At 1:30 P.M. an employee refilled the vending machine. A point plotted for 2 P.M. would probably show _____.
A] a decrease
B] no change
C] an increase