Sound and Heat Practice Questions

An ________ is a reflected sound.

• Vibration
• Echo
• Pitch
• Volume

Sound is a form of energy produced by ______________.

• Vibrations

• Distances

• Prisms

• Forces

A place where no sound exists is...

• in the air.

• under water.

• space.

• all of the above

Why do we see lightning before we hear the thunder?

• Our eyes trick us.

• Light travels faster than sound.

• they're two separate things.

What is Pitch?

• How loud or soft a sound is.

• Muscle that holds vocal cords.

• Movement back and forth.

• How high or low a sound is.

The part of the ear that vibrates first when hearing a sound

• eardrum
• cochlea
• Outer ea
• Lobe

the number of vibrations per second

• vibration
• volume
• pitch
• frequency

Sound waves propagate (move) as ______________ waves.

• longitudinal

• transverse

• ocean

• space

When a sound is louder what measurement gets bigger?

• Frequency 
• Amplitude 
• Wavelength 
• Crest

What type of heat transfer takes place when you touch a warm mug of hot chocolate?

• Radiation

• Convection

• Conduction

• None of the above