Front

What is sound energy?

Back

Sound energy is a type of energy produced by vibrating objects, which creates sound waves that travel through different materials.

Front

Can sound travel through solids?

Back

Yes, sound can travel through solids, liquids, and gases.

Front

What do sound waves need to travel?

Back

Sound waves need a medium, such as air, water, or solid materials, to travel.

Front

Which material does sound travel fastest through?

Back

Sound travels fastest through solids, especially metals.

Front

What is the role of the pinna in hearing?

Back

The pinna is the outer part of the ear that collects sound waves and directs them into the ear canal.

Front

Why are carpets used in libraries?

Back

Carpets help absorb sound, keeping the environment quiet.

Front

What is a sound wave?

Back

A sound wave is a vibration that travels through a medium, creating areas of compression and rarefaction.

Front

What happens to sound waves when they hit a hard surface?

Back

When sound waves hit a hard surface, they can reflect, causing echoes.

Front

What is the difference between pitch and volume?

Back

Pitch refers to how high or low a sound is, while volume refers to how loud or soft a sound is.

Front

How does temperature affect the speed of sound?

Back

Sound travels faster in warmer temperatures because the molecules in the medium move more quickly.