Sound

A very loud sound can harm our....

• ears

• eyes

Listen carefully. What sound do you hear?

• door knocking

• rain falling

• bell ringing

Listen carefully. What sound do you hear?

• door knocking

• hammering

• telephone ringing

Listen carefully. What sound do you hear?

• people laughing

• hands clapping

• door banging

Did you know sound is also a type of energy? Sound is everywhere. Sound is a special type of movement. Sound is energy that makes substances vibrate. Sound travels as vibrations that we can hear and sometimes even feel. All sounds are caused by the vibration of substances. Sound can come from different sources. You can clap your hands, stamp your feet, talk, sing, or play a musical instrument. Different vibrations will make different sounds. What makes sound?

• movement

• energy

• vibrations

• waves

Audio

• Book

• Insect

• sound; hearing

• science of

Did you know sound is also a type of energy? Sound is everywhere. Sound is a special type of movement. Sound is energy that makes substances vibrate. Sound travels as vibrations that we can hear and sometimes even feel. All sounds are caused by the vibration of substances. Sound can come from different sources. You can clap your hands, stamp your feet, talk, sing, or play a musical instrument. Different vibrations will make different sounds. What makes sound?

• movement

• energy

• vibrations

• waves

Listen carefully. What sound do you hear?

• police siren

• jet landing

• thunder rumbling

Listen carefully. What sound do you hear?

• rain falling

• people laughing

• thunder rumbling

Is it loud or soft sound?

• loud

• soft