Exploring Sound and Vibrations

What is sound made of?

• Sound is made of vibrations traveling through a medium.

• Sound consists of solid particles.

• Sound is created by chemical reactions.

• Sound is made of light waves.

Can you hear sound in space?

• You can hear faint sounds in space.

• Space is filled with sound waves.

• Yes, sound travels well in space.

• No, you cannot hear sound in space.

What do we call the movement of sound?

• Sound reflection

• Sound absorption

• Sound propagation

• Sound diffusion

What is a vibration?

• A vibration is a static position of an object.

• A vibration is a type of sound wave.

• A vibration is a mechanical oscillation of an object.

• A vibration is a chemical reaction in materials.

How do we hear sound?

• We hear sound through the vibration of sound waves that are converted into electrical signals by the ear.

• We hear sound by the brain producing vibrations without any external input.

• We hear sound through the movement of air particles only.

• Sound is heard by the eyes interpreting light waves.

What is the fastest way sound travels?

• In gases

• In vacuum

• In liquids

• In solids

What happens when you pluck a guitar string?

• The string vibrates, producing sound waves that create music.

• The string breaks and becomes unusable.

• The string glows and emits light.

• The string absorbs sound and becomes silent.

Can sound travel through water?

• Yes, sound can travel through water.

• Sound can only travel through solids, not liquids.

• Sound travels faster in air than in water.

• No, sound cannot travel through water.

What is an echo?

• A sound that is produced by a musical instrument.

• A type of animal that lives in water.

• A visual reflection seen in a mirror.

• An echo is a reflected sound that is heard again.

What do we call a sound that is very loud?

• deafening

• soft

• muffled

• quiet