Sound and Vibrations Quiz

What are all noises made by?

• Electricity

• Heat

• Light

• Vibrations

What are the two little things in your throat that vibrate to make the sound of your voice?

• Vocal cords

• Teeth

• Lungs

• Tongue

What makes the air move to produce sound?

• Piano keys

• Vibrations

• Guitar strings

• Vocal cords

What do you need to make a string phone?

• Two cups, tape, and a pencil

• Two cups, a piece of paper, and glue

• Two cups, a long piece of string, and scissors

• Two cups, a rubber band, and a marker

What happens when the string of the string phone is loose?

• The sound travels better

• The sound doesn't travel well

• The cups vibrate more

• The cups make a louder sound

What happens when the string of the string phone is tight?

• The cups vibrate more

• The cups make a louder sound

• The sound doesn't travel well

• The sound travels better

What happens when you pluck the string of the string phone when it's tight?

• The string makes a loud noise

• The string doesn't move

• The string moves a little

• The string moves back and forth

What happens when you pluck the string of the string phone when it's loose?

• The string makes a loud noise

• The string moves back and forth

• The string moves a little

• The string doesn't move

What do you need to do to the string of the string phone for vibrations to travel through it?

• Cut it in half

• Tie a knot in the middle

• Keep it tight

• Keep it loose

What can you do to make the sound travel farther with the string phone?

• Use a thicker string

• Use a thinner string

• Use a shorter string

• Use a longer string