TTO 1 Chapter 5.1 and 5.2: Sound

• Science
• Middelbare school
• vwo
• Leerjaar 1

Introduction P4: Sound

In this period we will discuss Sound. The following subjects will be discussed:

Speed of sound                             Properties of sound
Detect sound                                  Decibel

Properties of waves                     Calculations speed of sound

Recording

Watch the recording on the next page

Do not forget to switch on the sound

 5.1 Sound, vibrations and energy transfer. 

Learning objectives:

Explain how sound waves travel

Watch the recording on the next page. Make notes!

What type of wave is a sound wave

1. Longitunidal wave
2. Transverse wave
3. COVID-19 wave
4. Sound is not a wave

Move the text boxes into the rigt red boxes

Property of sound

Not a property of sound

Sound needs a medium to travel

Longitunidal wave

Compression

refraction

Rarefaction

Vacccuum

Make a list of five different sounds that they have heard that day, and what makes those sounds.

DO

Finish questions paragraph 5.1 in the 

• textbook  (page 95)
• workbook (page 45)
• Check your answers
• Contact your teacher if something is unclear

Learning objective 1: Explain how sound waves are produced

Learning objective 2:
Explain how sound waves travel

5.2 Detecting Sound

Learning objectives

• Describe how the ear detects sound
  
• Explain how your hearing can be damaged
  
• Describe how a microphone works

The human ear

Read page 96 and 97 upto microphones and loudspeakers

What is the function of the outer ear

1. To look beautiful (is looks strange not having ears)
2. Send the signal to the brain
3. Gather the sound waves and direct it to the eardrum
4. Gathers the sound waves and direct it to the auditory nerve

Which part does NOT belong to the outer ear

1. Oval window
2. Pinna
3. Auditory canal
4. Eardrum

Which of the following will NOT lead to hearing loss

1. Wax in your ear
2. Ear infection
3. Perforation of your eardrum
4. Snoring of your cat or dog

Microphone and loudspeaker 

Read the remaing of page 97

Watch the recording on the next page

Pinna

Outer ear

Hammer

Auditory nerve

Oval window

Cochlea

DO

Finish questions paragraph 5.2 in the 

• textbook  (page 97)
• workbook (page 46)
• Check your answers
• Contact your teacher if something is unclear

Learning objective 1: Describe how your ear detects sound

Learning objective 2: Explain how your hearing can be damaged

Learning objective 3: Describe how a microphone works