Sound Waves
Measuring Sound
Sound Moves
Human Sounds
This and That
100
In order for sound to occur, this must be present.
What is matter?
100
This term refers to the number of waves that occur during a second.
What is frequency?
100

What are the three types of matter through which sound travels?


What is Solids, liquids, and gases?

100

In order for an object to make a sound, it must _____________.

What is vibrate?

100
Two animals that use echolocation
What are bats and whales [and/or porpoises]?
200
In a sound wave, this is an area of tightly packed molecules.
What is compression?
200

Which can be caused by a vibrating tuning fork?

A. Death of insects

B. A loss of hearing

C. A power outage

D. Ripples in water

What is ripples in the water?

200

Sounds travel slowest through —

A. water

B. gold

C. silver

D. oxygen

What is oxygen?

200

Objects vibrating faster have a _____ pitch than objects vibrating slower.

What is a higher pitch?

200

How do musical instruments produce sound?

What is pitching sounds? 

300
In a sound wave, this is an area of loosely packed molecules.
What is rarefaction?
300
The distance between two compressions of a sound wave
What is a wavelength?
300

Sound travels slowest through —

a. gases

b. solids

c. liquids

d. gold

What is gases?

300

Sounds are heard by these structures

What are ears?

300

Which of the following energy forms is produced by vibrating matter?


A. light

B. X-rays

C. thermal

D. sound

 

What is sound energy?

400
This is the rapid back-and-forth motion of molecules.
What is vibration?
400

What is transferred when vibrations are transmitted from air molecule to air molecule? 

A. Volume

B. Weight

C. Energy

D. Pitch

What is energy?

400

The state of matter in which sound is transmitted slowest

What is a gas?

400

Suppose you are listening to music playing from a speaker.  As you walk away from the speaker, the music becomes less loud.  This is because sound waves __________ as they travel.


A. spread out

B. increase in energy

C. slow down

D. collect in a group

 

What is slow down?

400

What ships and submarines use to detect and locate underwater objects

What is SONAR?

500
These can be compared to ripples that spread out in every direction when a pebble is tossed in a pool of water.
What sound waves.
500

Which phrase best describes compression in a wave?

A. Groups of molecules in wave are squeezed together

B. Number of waves in a specific time

C. Intensity of wave measured by height

D. Distance from one wave to another

What is groups of molecules in wave are squeezed together?

500
A place where no sound can occur
What is space [or a vacuum]?
500

Taller waves (higher amplitude) show louder

sounds and shorter waves (____ amplitude) show softer sounds.

What is lower amplitude?

500

Some animals make and hear ranges of sound vibrations different from those that ______ can make and hear.

What is a human?

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