Why is there no sound in space?

The video explains that sound cannot be heard in space because it is a vacuum with no molecules to transmit sound waves. On Earth, sound travels through air, liquids, and solids, but in space, the absence of a medium prevents sound from traveling. This is why shouting in space would not be heard.

What is necessary for sound waves to be heard on Earth?

• Light waves

• Silence

• Air molecules

• A vacuum

Through which states of matter can sound travel?

• Only gases

• Only liquids

• Only solids

• Gases, liquids, and solids

Why can't sound be heard in space?

• Sound waves are too weak

• There are no molecules to carry sound

• Space is too dark

• Space is too cold

What is space described as in terms of sound transmission?

• A vacuum

• A dense medium

• A sound barrier

• A sound amplifier

What happens to sound waves in the vacuum of space?

• They become louder

• They travel faster

• They change into light waves

• They have no medium to travel through