revisions checklist for david & kayleen...

Acoustical Engineering Workbook

1 David and Kayleen Explore Sound

Early Childhood Engineering Team:Sandra Preiss, Tammy Sundermann, Regina Spauldin, and Tommy Baudendistel PhD

Name _____________________________

Pre Test Directions: Circle the letter of each answer that best completes each sentence.

1. The __________________________ of a sound is how loud or soft it is.

a. Pitch b. Volume c. Energy

2. Energy that you can hear is ___________________.

a. Vibration b. Sound c. Pitch

3. What does an object do to make sound?

a. Absorb b. Change color c. Vibrate

4. An instrument that makes a high pitched sound is a _______________.

a. Flute b. Drum c. Loud instrument

5. You hear a sound when your _______________ vibrates.


a. Hands b. Ear drum c. Eyes 6. Sound that is____________________ can damage our ears.

a. Too loud b. Invisible c. Quiet

7. Volume is measured in __________________________.

a. Feet b. Pounds c. Decibels 8. Sound travels in ________________.

a. Groups b. Motion c. Waves

9. If you hit a drum harder, then the sound will be _________________.

a. Lower b. Louder c. Longer

10. Words to describe pitch are ______________ and ______________.

a. High & Low B. Loud & Soft c. Waves & Absorb

11. A tool that can be used to measure sound is _______________.

a. Scale B. Ruler c. Sound Meter


Name _____________________________ Lesson 1

Decibel Walk

Directions: Investigate how loud sounds are. Each student should have a turn recording a reading. Each sound should have its volume recorded twice.Record your findings, below.

Sound Decibel Reading #1

Decibel Reading #2

Gym Whistle

Lunch Room

Library

Vacuum

Slammed Door

Toilet

Scream

2 People Talking


Lesson 5


Name _____________________________ Lesson 6

SOUND LAB

Stompers: Station 1

Directions: Use one stomper to walk across each of the materials in the chart below. Record the volume you hear beside each material in the chart using the word bank.

Word Bank:

LOUD LOUDEST MEDIUM SOFT SOFTEST

STOMP CHART:

MATERIAL SOUND YOUR EARS HEAR

TILE FLOOR

PAPER BAG on tile floor

FOAM on tile floor

FOIL on tile floor

COTTON BATTING on tile floor


Directions: Become an Acoustical engineer, put your name in the word bubble. Cut out the Acoustical Engineering tools below and glue them into your new office.

1. When you stomp harder on the tile what happens to the volume of the noise?

2. What material did you walk on that made the sound the loudest?

3. What material did you walk on that made the sound softest?

4. What material absorbed the most sound?

5. Why did some materials make the sound softer?


Sound meter: Station 2

Directions: Cover the sound meter with each material in the chart below. Record the sound meter reading when the sound is played.

DECIBEL SOUND CHART

MATERIAL

covering the sound meter

Number of Decibels

the sound meter recorded

NOTHING

PAPER BAG

FOAM

FOIL

COTTON BATTING

6. What material absorbed the most sound?

7. What material do you think protected the sound meter from the noise the


most?

8. What material do you think protected the sound meter from the noise the least?

9. What do the numbers on the sound meter tell you?

CHALLENGE QUESTION: 10. How can using the sound meter help us solve David & Kayleen’s

problem?


Name _______________________________ Lesson 8

Engineering Ear Protection

Question

1. What problem are David and Kayleen trying to solve?

Think

2. What will help David and Kayleen solve their problem?

Design: Create a detailed drawing of your design. Label all parts


Test: Test your design.

Trial Decibel Reading

Decibel Reading without ear protection

Decibel Reading with ear protection

Decibel Reading with ear protection

Solution

3. How well did your design work? How do you know?

4. What part(s) of your design could be improved?

5. What is one idea that you have for making your design better?

6. What materials do you need to make your design better?


Name _______________________________ Lesson 9

Redesign: complete your design changes.

Test: Test your design.

Trial Decibel Reading

Decibel Reading without ear protection

Decibel Reading with redesigned ear protection

Decibel Reading with redesigned ear protection

1. What was the lowest decibel reading from your original design?

2. What was the lowest decibel reading from your redesign?

3. Did your redesign work better, why or why not?


Lesson 10

Directions: Use this paper to write your rough draft letter to David & Kayleen. Remember, you are writing this letter to make building suggestions for their deck based on your own experience in your group. Use the checklist on the back to check over your work.


Date

Salutation

Signature

Name ________________________________

Lesson 10

Revisions Checklist for David & Kayleen Letter

I used my best handwriting.

I included a date in my letter.

I included a salutation in my letter.

I included a body in my letter.

I began my letter with an introduction.

In my letter, I made a suggestion to David and Kayleen for building their deck.

I used at least three unit vocabulary words.

I included a closing in my letter.

I included my signature in my letter.

I checked over my letter for spelling errors.

I checked over my letter to be sure it made sense.

I checked for capitalization errors.

I checked for punctuation errors.


Name _____________________________ Post Test

Directions: Circle the letter of each answer that best completes each sentence.

1. The __________________________ of a sound is how loud or soft it is.

a. Pitch b. Volume c. Energy

2. Energy that you can hear is ___________________.

a. Vibration b. Sound c. Pitch

3. What does an object do to make sound?

a. Absorb b. Change color c. Vibrate

4. An instrument that makes a high pitched sound is a _______________.

a. Flute b. Drum c. Loud instrument

5. You hear a sound when your _______________ vibrates.

a. Hands b. Ear drum c. Eyes


6. Sound that is____________________ can damage our ears.

a. Too loud b. Invisible c. Quiet

7. Volume is measured in __________________________.

a. Feet b. Pounds c. Decibels 8. Sound travels in ________________.

a. Groups b. Motion c. Waves

9. If you hit a drum harder, then the sound will be _________________.

a. Lower b. Louder c. Longer

10. Words to describe pitch are ______________ and ______________.

a. High & Low B. Loud & Soft c. Waves & Absorb

11. A tool that can be used to measure sound is _______________.

a. Scale B. Ruler c. Sound Meter


revisions checklist for david & kayleen...

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