Sound - Year 5

Sound does not travel through a vacuum because sound needs particles to vibrate in order to travel.

• true

• false

Sounds can travel ........

• only through solids

• only through liquids

• only through gasses

• through solids, liquids and gasses.

Sounds travel best through ..........

• solids

• liquids

• gasses

Sounds cannot travel in a vacuum so there is no sound in space.

• true

• false

Which one of these materials would be best at blocking noises?

• tin foil

• foam

• paper

Foam is good a blocking sound because it is soft and it has air pockets in it which trap the sound waves.

• true

• false

Why are big rooms like cinemas covered in soft fabric?

• to make the room dark

• to make the room nicer

• to reduce sound reflection

• to increase sound reflection

Sound travels best through solids because the particles (molecules) of a solid are close to each other.

• true

• false

Sound is caused due to

• sound waves

• noise

• vibrations

How does sound travel?

• waves

• fast

• slow