Understanding Sound: Loudness and Pitch

The video tutorial for grade 1 students introduces the concept of sound, focusing on loud and soft sounds, and the idea of pitch. It begins with a review of the previous lesson, explaining sound as a form of energy created by vibrations. The lesson then explores the differences between loud and soft sounds, providing examples like a lion's roar and raindrops. The concept of pitch is introduced using bells, explaining high and low pitches. Optional tasks are provided for students to apply their knowledge, including categorizing sounds and writing about emergency sounds. The lesson concludes with an exploration of loudness and pitch using musical instruments.

What is sound created by?

• Light waves

• Vibrations

• Magnetism

• Electricity

Why is it easier to hear fireworks than a whisper?

• Whispers are louder

• Fireworks are closer

• Fireworks are louder

• Whispers are clearer

Which of the following is an example of a loud sound?

• A clock ticking

• A cat purring

• A lion roaring

• A leaf falling

What kind of sound does a small bell make compared to a big bell?

• No sound

• Same pitch

• Higher pitch

• Lower pitch

What should you do if you hear a fire alarm?

• Evacuate the building

• Call a friend

• Continue working

• Ignore it

Which task involves writing about emergency sounds?

• Option one

• Option two

• None of the above

• Option three

How does hitting a drum harder affect its sound?

• Makes it softer

• Stops the sound

• Makes it louder

• Changes its pitch

What determines the pitch of a sound?

• The size of the object

• The speed of light

• The color of the object

• The temperature

Which bars on a xylophone have a low pitch?

• All bars

• Large bars

• Medium bars

• Small bars

What is loudness?

• How long a sound lasts

• How loud or soft a sound is

• How fast a sound travels

• How high or low a sound is