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The video explains how sound travels from a source to our ears. Sound is produced by vibrations, which cause air particles to collide and transmit the sound through the air. Although sound waves are invisible, they can be heard when they reach our ears. The video emphasizes that sound can only be heard when its vibrations travel through the air to our ears.

How does sound travel from the source to our ears?

• Through visible waves

• By air particles colliding

• Via light particles

• Through solid objects only

What are air particles responsible for in the context of sound?

• Colliding to transmit sound

• Blocking sound

• Creating light

• Absorbing sound

What happens when an object makes a sound?

• It absorbs air particles

• It stops air particles

• It causes air particles to collide

• It creates light waves

When do we actually hear sound?

• When air stops moving

• When particles stop colliding

• When vibrations reach our ears

• When light reaches our eyes

What is necessary for sound to be heard?

• Vibrations reaching the ears

• Light waves traveling

• Sound waves being visible

• Air particles stopping