Sound end of unit

In this diagram of the ear, what is the name of number 2?

• Ear bones

• Cochlea

• Ear drum

• Ear canal

In this diagram of the ear, what is the name of number 4?

• Outer ear

• Inner ear

• Auditory nerve

• Ear drum

What happens if an object vibrates quickly?

• We hear a high pitched sound

• We hear nothing

• We hear a low pitched sound

What happens if an object vibrates slowly?

• The object is silent

• We hear a low pitched sound

• We hear a high pitched sound

What is the name of the language deaf people use?

• British Sign language

• Braille
• Morse code
• Hieroglyphics

What is the name of this ear part?

• Ear canal

• Auditory nerve

• Cochlea

• Ear wax

How does sound travel?

• In jumps

• In waves

• In silence

• In drips

Which statement is correct?

• Sounds can only travel through liquids.

• Sounds can only travel through solids.

• Sounds can only travel through gases.

• Sound can travel through solids, liquids and gases.

Which of these instruments would produce a sound with a low pitch?

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Which of these waves show the highest pitched sound?

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