Discovering the World of Sound: Chapter 12 Activities and Concepts
SOUND
Chapter 12
SOUND HUNT
•
Remain as quiet as you can for 1 minute.
•
I will tell you when to begin, and when to stop.
•
In the margin of your paper, write down all of
the different sounds that you hear in the
environment around you.
•
You will be comparing with a partner at the
conclusion of the activity.
1. A vibration is a back and forth
motion
that
produces
sound
.
2. As the bell of an alarm clock vibrates, it
causes nearby
air
particles to move.
3. A wave that transfers sound through matter is
a(n)
sound wave
.
4. Sound waves transfer energy from particle to
particle and move away from a vibrating
object in
all
directions.
5. Sound waves travel through
solids
, liquids,
and
gases
.
6. A sound that bounces off a surface and is a
reflected sound, or a(n)
echo
.
7. Sound waves travel through different
materials
at different
speeds
.
8. Sound travels slowest in a gas. It travels more
quickly through a(n)
liquid
, and travels most
quickly through a(n)
solid
.
9. Dolphins use echoes to navigate and find
prey
.
10. You hear sound when sound waves in the
air make tiny
organs
in your ears vibrate.
11. The distance from the top of one sound
wave to the top of the next wave is a(n)
wavelength
. The number of wavelengths that
pass a point in one second is called
frequency
.
12. The highness or lowness of a sound is its
pitch
.
13.
Amplitude
affects the volume, or loudness,
of sound; it is related to the amount of
energy
in
a sound wave.
EXIT QUESTION
•
Do you think that there is sound in outer
space? Why or Why not?
Experience a sound hunt activity, explore the science of vibrations and sound waves, and learn about how sound travels through different mediums. Dive into the fascinating world of echoes, dolphin navigation, and the human ear's perception of sound in this dynamic chapter.
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Presentation Transcript
SOUND Chapter 12
SOUND HUNT Remain as quiet as you can for 1 minute. I will tell you when to begin, and when to stop. In the margin of your paper, write down all of the different sounds that you hear in the environment around you. You will be comparing with a partner at the conclusion of the activity.
1. A vibration is a back and forth motion that produces sound.
2. As the bell of an alarm clock vibrates, it causes nearby air particles to move.
3. A wave that transfers sound through matter is a(n) sound wave.
4. Sound waves transfer energy from particle to particle and move away from a vibrating object in all directions.
6. A sound that bounces off a surface and is a reflected sound, or a(n) echo.
7. Sound waves travel through different materials at different speeds.
8. Sound travels slowest in a gas. It travels more quickly through a(n) liquid, and travels most quickly through a(n) solid.
10. You hear sound when sound waves in the air make tiny organs in your ears vibrate.
11. The distance from the top of one sound wave to the top of the next wave is a(n) wavelength. The number of wavelengths that pass a point in one second is called frequency.
13. Amplitude affects the volume, or loudness, of sound; it is related to the amount of energy in a sound wave.
EXIT QUESTION Do you think that there is sound in outer space? Why or Why not?
