Light & Sound — Answer Key
Part A: Trace the Words
Trace each word carefully by following the dotted lines.
1. drum
2. bell
3. song
4. buzz
5. ring
6. sound
Part B: Fill in the Blank
Write the missing word or number on each line.
1. You hit a drum and it makes a loud beat.
Drums make sound when the top shakes after a hit.
2. A bell rings when you shake it side to side.
Bells shake inside and make a ringing sound.
3. Your voice makes sound when you talk or sing.
Your vocal cords vibrate when air moves past them to make your voice.
4. Sound is made when something vibrates.
All sounds begin with something shaking quickly back and forth.
Part C: True or False?
Read each statement. Circle True or False.
1. Sound is made when things vibrate.
True False
Every sound starts with a fast shake called a vibration.
2. Your voice uses vibrations when you talk.
True False
Your vocal cords vibrate to push out sounds when you speak.
3. You need silence for sound to travel.
True False
Sound travels through air, water, or solids, not through silence.