Homework Practice

Printable assignment

Sound Starter: Vibrations and Mediums

Section A: Sound Production

Question 1mcq

Sound is produced by:

A.Only hot objects

B.Only still objects

C.Only bright objects

D.Vibrating objects

Question 2mcq

A tuning fork produces sound when its prongs:

A.Reflect light

B.Vibrate

C.Stop moving

D.Melt

Question 3mcq

A guitar makes sound mainly due to vibrating:

A.Strings

B.Mirrors

C.Water only

D.Dust

Question 4mcq

A drum produces sound when its:

A.Colour changes

B.Air disappears

C.Handle dissolves

D.Membrane vibrates

Question 5mcq

Higher pitch in a string instrument is produced by:

A.Higher frequency vibration

B.No vibration

C.Lower frequency always

D.More darkness

Question 6mcq

If vibration stops, sound production:

A.Becomes light

B.Stops

C.Becomes vacuum

D.Increases forever

Section B: Sound Propagation

Question 7mcq

Sound cannot travel through:

A.Vacuum

B.Steel

C.Water

D.Air

Question 8mcq

Sound needs a medium because it travels by:

A.Magnetic poles only

B.Particle vibrations

C.Light rays only

D.Empty space compression

Question 9mcq

Sound generally travels fastest in:

A.Gases

B.Solids

C.Empty space

D.Vacuum

Question 10mcq

Placing ear on railway track can let you hear train earlier because sound travels faster through:

A.Steel

B.Vacuum

C.Cotton

D.Air only

Question 11mcq

Sound in air is a:

A.Transverse light wave

B.Chemical reaction

C.Static charge

D.Longitudinal wave

Question 12mcq

Compressions and rarefactions are regions of:

A.High and low pressure

B.Mass and no mass

C.Solid and vacuum only

D.High and low colour