sound

If you want to change the pitch of a sound, you have to change the ___

• frequency
• amplitude
• speed
• volume

What happens when you increase the amplitude of a sound?

• it makes the sound louder
• it makes the sound travel faster
• it increases the wavelength of the sound
• it increases the frequency of the sound

True or False: Sound travels better through solids than through liquids

• True 
• False

What is a pitch?

• highness or lowness of a sound
• the intensity of a vibration
• the amplitude of the sound wave
• volume of sound

Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

A kind of energy that travels in waves that you hear

• Sound

• Crest

• Light

• Pitch

Sound is caused by....

• molecules
• vibrations
• people
• space

Sound is a form of? 

• energy
• pitch
• volume

The number of wavelengths that pass a point each per second is:

• frequency
• period
• longitudinal 
• transverse wave 

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations