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100
The distance between the resting point and a trough or crest; the height of a wave. The amount of energy or force in a sound wave.
What is amplitude?
100
The distance between one crest or trough to the next one in a wave.
What is wavelength?
100
The matter through which a wave travels.
What is medium?
100
The measure of how high or low a sound is.
What is pitch?
100
A form of energy that is produced by vibrations and can be heard.
What is sound?
200
A change that carries energy from one place to another.
What is wave?
200
The loudness of a sound.
What is volume?
200
To move back and forth quickly.
What is vibrate?
200
Sound is collected and funneled by this.
What is the outer ear?
200
What will sound waves NOT travel through.
What is empty space?
300
This is where in a sound wave the air particles are bunched together closest.
What is crest?
300
This causes a sound wave to form.
What is matter vibrates?
300
Through which of the following will sound travel the fastest? a. a cloud b. water in a lake c. Earth's atmosphere d. a metal railroad track
What is a metal railroad track?
300
Sound travels differently at the top of a mountain than at its base. How do sounds change as you climb a mountain and why?
What is "sound travels slower because the air is less dense?"
300
A tree falls in the forest. There is nobody in the forest to hear it. Does the falling tree make a sound and why?
What is "yes, because the tree causes a vibration?"
400
A guitar string makes a higher pitched sound when you tighten the string. Which of the following explains why tightening the string causes this change?
What is "because tightening the string makes the string vibrate faster?"
400
What type of rubber band would make a high pitch sound? a. a long rubber band b. a medium sized rubber band c. a short rubber band d. they would all make the same sound
What is a short rubber band?
400
What type of sound is made by an object that vibrates slowly?
What is low pitch?
400
How can you increase the pitch of a sound made by a tuning fork? a. use a longer tuning fork b. use a shorter tuning fork c. use the same fork but hit it harder d. use the same fork but hit it softer
What is "use a shorter tuning fork?"
400
What is sound?
What is waves created by vibrations of an object?
500
Which part of the ear vibrates first when sound waves hit it so that the sound can be heard?
What is "the eardrum?"
500
What happens to the sound an object makes when the speed of vibrations decreases?
What is "it's pitch becomes lower?"
500
Pedro wants to make his bedroom very quiet. What kind of building materials should Pedro use? a. hard materials that vibrate easily, such as metal b. soft materials like cloth that do not vibrate c. the most expensive materials d. It does not matter what materials he uses.
What is "soft materials like cloth that do not vibrate?"
500
Kira wanted to listen to music on her new CD player. She plugged it into the wall, turned it on, and pressed play. Which BEST describes what happened? a. Electrical energy is changed into sound energy. b. Heat energy is changed into sound energy. c. Chemical energy is changed into sound energy. d. Mechanical energy is changed into sound energy.
What is "Electrical energy is changed into sound energy?"
500
Two glasses sit on a table. One glass is full of water. The other glass is empty. You tap each glass gently with a metal spoon. What do you hear?
What is "the full glass has a lower pitch than the empty glass?"
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