<p>Name: ______Date: ______</p><p>Assessment</p><p>Directions: Read each question and choose the BEST answer. Circle the letter of the answer choice.</p><p>1] Which material will sound travel through the fastest?</p><p>A water B air C steel D cloth </p><p>2] Which technique is the boat using to find the distance from the surface of the ocean to the bottom?</p><p>F Morse Code G radio H sonar J sound tracking </p><p>3] Sound waves travel best through ___.</p><p>A gases B liquids C solids D vacuums Name: ______Date: ______</p><p>Name </p><p>4] ______is a form of energy produced and transmitted by vibrating matter.</p><p>A Light B Heat C Sound D Pitch</p><p>5] The distance between two compressions in a sound wave is called _____. </p><p>F a wavelength G a frequency H a pitch J an amplitude</p><p>6] Pitch is determined by the ______of a vibrating object.</p><p>A amplitude B pitch C wavelength D frequency</p><p>7] Sound travels in --</p><p>F transverse waves G compressional waves Name: ______Date: ______H straight lines J a vacuum</p><p>8] Which diagram shows a wave with the highest frequency?</p><p>9] What must musical instruments do in order to produce sound?</p><p>F rotate G absorb H amplify J vibrate</p><p>10] The ______of sound is the number of vibrations in a given unit of time. Name: ______Date: ______</p><p>A amplitude B pitch C wavelength D frequency</p><p>11] Objects vibrating faster have a ______pitch than objects vibrating slower.</p><p>F lower G higher H softer J louder</p><p>12] Sound is ______when it resonates.</p><p>A amplified B absorbed C transmitted D reduced</p><p>13] Sound travels more quickly through _____.</p><p>F liquids than through solids G air than through water H gases than through liquids J solids than through liquids or gases</p><p>14] The places in a sound wave where the molecules are very closely packed are _____. </p><p>A peaks B rarefactions Name: ______Date: ______C echoes D compressions</p><p>15] When sound waves are trapped or are not able to travel any further, they are _____.</p><p>F transferred G absorbed H reflected J transmitted </p><p>16] Which statement is true?</p><p>A Animals and humans hear EXACTLY alike.</p><p>B Animals can ONLY hear sounds ABOVE the range of human hearing.</p><p>C Animals can ONLY hear sounds BELOW the range of human hearing. </p><p>D Animals can hear sounds ABOVE and BELOW the range of human hearing. </p><p>17] The unit used to express the intensity or volume of sound is the _____.</p><p>F decibel G rarefaction H hertz J compression Name: ______Date: ______18] When sound reflects off a surface, we may hear </p><p>F an echo G an ultrasonic phenomena H the Doppler Effect J a pitch</p><p>19] If the frequency of a sound is high, then ______.</p><p>A the pitch is low B the pitch is high C the intensity is low D the intensity is high</p><p>20] The area of a sound wave where the molecules are widely spread apart is the ___.</p><p>F hertz G ultrasonic area H rarefaction area J compressional area </p><p>21] The device that detects the depth, size, and distance of objects underwater by means of sound waves is _____.</p><p>A an oscilloscope B a decibel meter C a sonar D a range finder</p><p>22] The type of energy that sets up compressional waves that vibrate molecules is _____.</p><p>F gas energy G sound energy H light energy J mechanical energy Name: ______Date: ______</p><p>23] Sound waves that pass through a material are _____.</p><p>A louder B transmitted C reflected D absorbed</p><p>24] The rapid back-and-forth motion of matter resulting in a sound wave is _____.</p><p>A a rarefaction B a compression C an echo D a vibration</p><p>25] The frequency and pitch of a sound is measured in this unit _____.</p><p>F hertz G degree H decibel J compression</p><p>26] When sound waves bounce off a surface, they are ______.</p><p>A absorbed B transmitted C transferred D reflected Name: ______Date: ______</p><p>27] ______is how high or low a sound seems.</p><p>A Frequency B Pitch C Intensity D Rarefaction</p><p>28] Sound waves cannot travel through _____.</p><p>A a vacuum (empty space) B solid C liquid D gas</p><p>29] Why does sound travel faster through solids than through air?</p><p>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</p><p>30] If you wish to keep the level of sound low in a house, you might want to use ______in the house. Name: ______Date: ______</p><p>A wood floors B tile floors C carpeting D no curtains</p><p>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?</p><p>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.</p><p>32] Small musical instruments like a flute usually have a _____.</p><p>A high pitch B low pitch C big amplitude D small amplitude</p><p>33] Vibrating objects send out sound waves that travel _____. </p><p>A in front of the object B in all directions C in front and beside the object Name: ______Date: ______D behind the object</p><p>#34 & 35 – Read carefully and follow the directions given.</p><p>34] Write the letter of the correct part beside each word.</p><p> trough wavelength crest Name: ______Date: ______</p><p>35] Write the letter of the correct part beside each word.</p><p> compression rarefaction </p><p>36] The chart below shows the high temperature each day for a week. Use graph paper and create a line graph of this data.</p><p>Day Temperature Sunday 78° Monday 80° Tuesday 75° Wednesday 83° Thursday 88° Friday 90° Saturday 94°</p><p>37] The list below the range of spelling test scores for three students. Name: ______Date: ______Joe 80 – 95 Sue 70 – 90 Mark 60 – 70 </p><p>Which student’s score show the greatest measure of variation? </p><p>How do you know?</p><p>38] You may use a calculator for this question.</p><p>Give the decimal and percent that is equal to .</p><p>39] You may use a calculator for this question.</p><p>A chicken can hear sound from 125 Hz to 2000 Hz. What is the range of this data?</p><p>40] Use a protractor to measure the angle.</p><p>41] The graph below shows how the number of books of flower stamps in a vending machine changed over a period of hours. Name: ______Date: ______</p><p>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</p>