Parts of a Wave
Wave Speed & Energy
Wave Interactions
Sound Waves
Frequency & Pitch
100
What part of the wave is number 1?
wavelength
100
TRUE OR FALSE:
Sound waves travel at different speeds in different media.
TRUE
100
If the wave bounces back after reaching the material, the wave is ______________.
reflected
100
All sound waves start with the _________ of matter.
vibration
100
TRUE OR FALSE:
All sound waves have the same pitch and frequency.
FALSE
200
What part of the wave is number 3?
amplitude
200
Waves transfer ________ but not matter.
energy
200
Which letter represents absorption?
Y
200
What happens to the sound in the band room when the students are practicing their music? The sound is __________ into the material on the walls.
absorbed
200
Frequency is measured in _________.
Hertz (Hz)
300
What part of the wave is letter A?
compression
300
Which wave transmits more energy per second?
Wave 2
300
If the wave passes through the material, the wave is
transmitted
300
Sound waves travel fastest through: solids, liquids, or gases?
solids
300
If a waves frequency decreases, its wavelength ________.
increases
400
What part of the wave is letter B?
rarefaction
400
What happens to the sound wave when it passes from the concrete into the mud? Its direction and ______ changes.
speed
400
What type of wave interaction is represented in the image below?
diffraction
400
What causes an echo to happen when you hear your voice bounce back from a wall or mountain?
wave reflection
400
Which of the 3 waves has the highest frequency?
3rd wave OR bottom wave
500
Which wave in the spring toy has a greater amplitude? Hint: Greater amplitude = Greater energy
2nd wave OR bottom wave
500
Sound travels more slowly in gases than in solids because the particles are
farther apart
500
Light waves are (1)_______ when they travel through the air from the Sun to the pavement. When the waves interact with the pavement, some are (2)_______ and transfer energy to the pavement. Other waves are (3)_______ and change direction.
1. transmitted 2. absorbed 3. reflected
500
Order the media from slowest to fastest for the speed of sound.
- Steel
- Air
- Glass
- Water
1. Air 2. Water 3. Glass 4. Steel
500
Identify the pitch and volume for each wave.
A. low B. soft C. loud D. high