Mosaic is a K–5 supplemental instructional program that provides engaging and rigorous lessons and resources that integrate math, science, and technology while supporting English learners and academic language skills.
Objective
Students can say that sound is produced when objects vibrate.
Materials
Tuning fork; pan with water; cereal flakes; rubber band; drum; radio;
paper towels
Procedures
Students:
Strike a turning fork and dip it in water.
Sprinkle cereal flakes on a drum, then tap the top of the drum.
Stretch a rubber band between two fingers and pluck it; stretch the elastic
farther and pluck it again.
Put your hand on the top of a playing radio. Describe sounds and changes of
sounds of different objects.
Put your fingers on the front of your throat, very close to your "voice
box." Be careful that you don't press hard enough to hurt yourself. Make a noise.
Describe what you felt in your throat as the noise was coming out.
Questions
What did you feel when you touched the turning fork after you hit it?
What did the rubber band do when you plucked it? What did it do when you
stretched it farther and then plucked it?
What was each one of these objects doing as it was making a sound, including
your throat?
