Sound Waves

What kind of waves do we usually think of when we hear the word “waves”?

• Ocean waves

• Microwave popcorn popping

• A parade of dancing pineapples

• Sound waves from a stereo

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NGSS.MS-PS4-1

How do we produce sound when we talk?

• With vibrations from vocal cords

• By blinking loudly

• By clapping our hands really fast

• By sending thoughts through spaghetti

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NGSS.MS-PS4-1

What is the top of a wave called?

• Crest

• Trough

• Slope

• Pickle Point

Tags

NGSS.MS-PS4-1

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What is the bottom of a wave called?

• Trough

• Dip Dip

• Jellyfish Landing

• Crest

Tags

NGSS.MS-PS4-1

What is amplitude?
You will need your memory here....or just pay attention.

• The vertical distance from the wave’s center to the crest or trough

• The shape of a rainbow no

• How wide the beach is no

• The number of unicorns in a classroom (1)

Tags

NGSS.MS-PS4-1

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What does the wavelength measure?

• The distance between the tops or bottoms of waves

• How long a concert lasts

• How long you can wave at someone

• How long your hair is in the wind

Tags

NGSS.MS-PS4-1

What happens when a wave has a long wavelength?

• It has a low frequency

• It turns into a taco

• It becomes invisible

• The sound is high-pitched

Tags

NGSS.MS-PS4-1

Why is a lion’s roar considered to have high amplitude?

• Because it’s loud

• Because lions sing in choirs

• Because it smells funny

• Because the wave is shaped like a pineapple

Tags

NGSS.MS-PS4-1

What kind of wavelength does a lion’s roar have?

• A long wavelength

• short wavelength

• No wavelength at all

• A Wikity wikity whack Wavelength

Tags

NGSS.MS-PS4-1

What kind of sound does a mosquito make?

• A high-pitched sound with short wavelength

• A deep, rumbling sound

• A thunder clap

• A loud ice cream truck

Tags

NGSS.MS-PS4-1