by: joy lee georgia performance standards science processes questions how sound is made pitch high...
TRANSCRIPT
By: Joy Lee
• Georgia Performance Standards• Science Processes• Questions• How sound is made• Pitch
• High• Low
• Decibels• Kinds of sounds
• Outside• Inside• Musical• Animal• Favorite
S1P1. Students will investigate light and sound. a. Recognize sources of light. b. Explain how shadows are made. c. Investigate how vibrations produce
sound, d. Differentiate between various sounds in
terms of (pitch) high or low and (volume) loud or soft.
e. Identify emergency sounds and sounds that help us stay safe.
http://www.georgiastandards.org/
Science Processes Observing Classifying Communicating Predicting
Questions What is sound? What do you know about sound? How is sound made?
Sound moves through theair to your
ear.
Sound movesthrough yourear to your
brain.
Now youHear.
Sound is made by:
striking an object.
plucking strings.blowing air across
an opening.
Pitch is how high or low a sound is.Pitch depends on the rate of sound vibrations.The faster the vibration, the higher the sound.The slower the vibration, the lower the sound.
Sound is Measured in Decibels
How Loud Things Are
0
30
65
84
93
110
0
20
40
60
80
100
120
QuietestSound
QuietBedroom
NormalTalking
Traffic Lawn Mower Chain Saw
Dec
ibel
s
Fire engine
Ambulance
Airplane
Helicopter
Talking
Dog barking
Door closing
Telephone ringing
Drum Guitar Piano Trumpet
What are the animal sounds of other languages?
Click on the website to find out.
http://www.georgetown.edu/faculty/ballc/animals/
What are your favorite sounds?Write the sounds under the correct column.
Soft Sound
Loud Sound
High Sound
Low Sound