Extra
Ari’s birthday
11/22/2018
The greater the frequency of a sound wave, the…
A)lower the pitch
B)higher the pitch
C)softer the sound
D)louder the sound
B)higher the pitch
What tells us if a sound is high or low?
Pitch
Why does sound travel faster through a solid than through a gas?
The particles in a solid are closer together than in a gas.
High frequency =
High pitch
A’lek’s phone number
757-389-3068
What three things can energy be transmitted in waves through different media?
Solid, liquid, and gas
What tells us how loud or soft a sound is?
Volume
You are designing a musical instrument. What two ways you can change the pitch of the sound it makes?
Change the size or length of the vibrating part.
A fungus is found growing on the forest floor. The fungus is an example of…
Decomposer
which plant part develops into a fruit?
Flower
True or false
The transfer in energy in waves causes vibrations that cannot produce sound.False
Sound is caused by
Vibrations
A student is playing music in their room with the door closed. Why does the sound seem quieter outside the room?
The door dampens some of the sound waves.
What is the difference between pitch and volume?
Pitch is speed.
Volume controls how soft or loud a sound is.
Coal is important for Virginia because it…
can be used for energy.
Fill in the blank
Sound is produced when an object or substance…
Vibrates
What type of matter allows sound to travel the fastest?
Solids
How do instruments produce sound?
Vibrations create sound, and different instruments vibrate in different ways.
One way in which light waves are different from sound waves is that light waves -
A)can move through empty space
B)are caused by rapid vibrations
C)travel more slowly
D)can be reflected
A)can move through empty space
Which of these is an example of a behavioral adaptation?
A)A cow that has flat teeth
B)A squirrel that has buried acorns
C)A fish that has scales
D)An owl that has soft feathers
B)A squirrel that has buried acorns
Visible light is radiant energy that moves in what type of waves?
Transverse waves
Radiant energy can be transferred into what three types of energy?
Thermal, mechanical, and electrical energy
In which material does sound travel the fastest?
Air
Water
Wood
Steel
Steel
Which pair of colors is in order from the longest wavelength of light in the visible spectrum to the shortest wavelength?
A)Green, orange
B)Yellow, red
C)Violet, blue
D)Red, violet
D)Red, violet