Grade 6 Science Quiz: Sound

What is pitch?

• How loud a sound is

• How high or low a sound is

• The direction of a sound

• The silence between sounds

Which part of the ear helps you keep your balance?

• Eardrum

• Cochlea

• Semicircular canals

• Ear canal

What is frequency?

• How often a sound is played

• The number of vibrations per second

• The loudness of a sound

• The time between sounds

Which object would produce a low-pitch sound?

• Whistle

• Flute

• Large drum

• Bird chirp

What happens when a sound wave hits a surface and bounces back?

• Diffraction

• Absorption

• Reflection (Echo)

• Refraction

You hear a high-pitched beep from a device. What does that tell you about the frequency of the sound wave?

You tap a metal pipe and hear the sound clearly and quickly. What does this tell you about how sound travels through solids?

Describe how sound is made and how it travels.

How can you tell the difference between a high pitch and a low pitch using an instrument?

Look at the two images.

Identify which makes a quiet sound and which makes a loud sound

a

b

Loud sound

Quiet sound