Sound What do you know?

For 10 points: Pitch is determined by… Frequency For 10 points: Pitch is determined by…

Light For 30 points: Sound is a form of energy that travels as waves, what else travels this way?

It changes the pitch For 40 points: When you stretch a rubber band more or less tightly, what happens?

Lower your volume (be quiet) For 20 points: If someone tells you, “Lower your sound wave amplitude!”, they want you to…

The TV is softer to you For 10 points: Your friend is standing 2 feet away from the TV and you are standing 10 feet away. The TV sounds softer to who?

For 30 points: Draw a wave with the wavelength labeled.

For 40 points: How is sound measured? In Decibels For 40 points: How is sound measured?

For 20 points: Sound travels fastest or slowest through a solid?

For 40 points: What is wave frequency? The number of crests or troughs of a sound wave over a given period of time. For 40 points: What is wave frequency?

Air particles vibrate For 50 points: When the strings of a guitar are plucked, the sound is produced when…

For 10 points: A string produces sound waves when… The string is plucked For 10 points: A string produces sound waves when…

A higher pitch For 30 points: If someone’s vocal cords vibrate at a higher frequency, their voice will be what kind of pitch?

For 40 points: Which part of your ear gather sound waves? Your outer ear For 40 points: Which part of your ear gather sound waves?

That sound travels as waves in vibrating matter For 20 points: When you place the tip of a vibrating tuning fork into water, you will see…

For 50 points: Why can a piano play a variety of notes? Different strings in the piano produce different pitches For 50 points: Why can a piano play a variety of notes?

The Eardrum For 20 points: Which part of the ear passes vibrations to the middle ear?

For 40 points: Why do instruments sound different? They produce different pitches For 40 points: Why do instruments sound different?

For 40 points: What do the curved lines around an object show? Sound waves travel outward as the object causes the air to vibrate. For 40 points: What do the curved lines around an object show?

The amplitude of a sound wave For 50 points: The measure of how pushed together or spread apart the particles are, is known as…

The different amounts of liquid result in different pitches. For 50 points: Why are different sounds produced when someone blows air across bottles filled with different amounts of liquid?