All About Sound

Alex HennMrs. Elstner

What is sound?

• Sound is invisible.• Sound is created

by vibrations.• You use sound to

hear.

Pitch

• Pitch is a high and low sound.• A whistle is a high sound.• A drum is a low sound.

Volume

• Volume is how loud and soft a sound is.

• A dog’s bark is a loud sound.

• A cat’s meow is a soft sound

My Favorite Sound Experiment

• Drop Chamber- My favorite sound

experiment is the drop chamber.

- I liked it because it had different sounds.

- Also because it was noisy.

Making Sound

• I made a harp for my sound experiment.• My dad helped me make it.• It is a very fancy instrument that we made.