Sound and Vibration Experiments

What is the primary function of a subwoofer in sound systems?

• To produce high-pitched sounds

• To enhance mid-range frequencies

• To deliver low-frequency bass sounds

• To amplify all sound frequencies equally

What happens to cornstarch mud when it is impacted by vibrations?

• It turns into a gas

• It changes color

• It evaporates

• It solidifies temporarily

How can you make sound visible using household items?

• By using a flashlight and a mirror

• By using a magnifying glass and water

• By using plastic wrap, salt, and a bowl

• By using a fan and a piece of paper

What is the purpose of the Chladni plate in sound experiments?

• To reduce noise levels

• To amplify sound waves

• To create visual patterns in sand

• To measure sound frequency

How do sound waves create patterns on a Chladni plate?

• By changing temperature

• By interacting with each other

• By reflecting light

• By altering magnetic fields