![1st Grade Sound](https://img.oercommons.org/160x134/oercommons/media/screenshots/dbfd9f556d0ac726a66206176136be9148e63317070fa377d90dd58cb4d4d8f7.png)
A first grade unit on sound waves.
- Subject:
- Physical Science
- Material Type:
- Module
- Author:
- Kayleigh Tuttle
- Date Added:
- 08/25/2020
A first grade unit on sound waves.
Every musical instrument is different, but they all have one thing common: they convert energy from motion into sound by causing a part of the instrument to vibrate. These vibrations cause waves in the air that, when sensed by our ears, are interpreted as sound. Sound waves travel at different speeds depending on the source of the vibrations. The faster a sound wave moves, the higher the pitch of the sound.
This sequence of instruction was developed in the Growing Elementary Science Project to help elementary teachers who were working remotely. We developed a short storyline that ties together a few sessions to help explore a specific concept. We tried to include some activities that honored and included the student’s family and experience, and some that included the potential for ELA learning goals.Unlike other units in our series, this was not developed as a complete stand-alone unit. Our intent, in this case, was to provide a set of options for the teacher, as well as some materials for consideration of opportunities to integrate reading in science.It is part of ClimeTime - a collaboration among all nine Educational Service Districts (ESDs) in Washington and many Community Partners to provide programs for science teacher training around Next Generation Science Standards (NGSS) and climate science, thanks to grant money made available to the Office of the Superintendent of Public Instruction (OSPI) by Governor Inslee.
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Vibrating materials can make sound, and sound can make materials vibrate. When a mallet taps the glass, the water inside the glass vibrates. The pitch of the sound depends on the speed of the vibrations. Since the glass with the most water slows down the vibrations the most, it produces a lower pitched sound.
Vibrating materials can make sound, and sound can make materials vibrate. When a mallet taps the glass, the water inside the glass vibrates. The pitch of the sound depends on the speed of the vibrations. Since the glass with the most water slows down the vibrations the most, it produces a lower pitched sound.
You hear sounds when vibrations go inside your ears and stimulate your nerves to send electrical signals to your brain. For instance, when the spoon is bumped against an object, it vibrates. As it vibrates, it sends out sound waves that bump into air molecules and cause them to bounce to and fro. Those bouncing air molecules bump into other air molecules and start them moving. This chain reaction of moving air molecules carries sound through the air in a series of waves that we call sound. Inside your ear, moving air molecules push on your eardrum and cause it to vibrate.