waves

1. Energy in Motion
Module 3: Sound
Cerilina M. Maramag
UP NISMED

2. Grades 3-6
• Characteristics
• Effects
• Sources
• Uses
• Production
• Propagation

3. • Propagation
through various
media
• Speed of sound
• Properties
(reflection and
refraction)
•Interference
•Resonance
•Doppler Effect
•Production
•Characteristics
Grades 7-10

4. Objectives of Module 3
 Explain how sound is produced
 Use the concepts of wavelength, velocity, and amplitude
to describe characteristics of sound
 Create harmonious music using indigenous products.
 Explain sound production in the human voice box and
how characteristics of sound vary from one person to
another
 Describe how organisms produce, transmit and receive
sound of various frequencies

5.  How are sounds produced?
 How do sounds differ from each
other?
Focus Questions:
Activity :
My Own Sounding Box

6. 1. Tap the drum with the stick.
2. Place your palm on your throat and talk.
3. Strike the tuning fork with the hammer then
touch the prongs of the tuning fork.
Strike it again and this time, dip the prongs into a
bowl of water.
4. Hold one end of the ruler down firmly at the edge of
a table with the other end extending over the edge.
Snap the end that extends beyond the edge of the
table.
What do you hear and see/feel?

7.  How are sounds produced?
 How do sounds differ from each
other?
Focus Questions:
Activity :
My Own Sounding Box

8.  What happens when you make the string of the
guitar shorter?
… longer?
… thicker?
… thinner?
… tighter?
… looser?

9. Hold one end of a ruler flat
against a table and hit the other
end that extends beyond the
edge of the table.
Frequency and Pitch Activity (Extension)

10. High or low
pitch?
= _________________
= _________________

11. Complete the ff
1. Higher frequency, ______ pitch.
2. Shorter string, _______ frequency.
3. Thicker string (with larger diameter), _____
frequency.
4. More stretched or tightened string, ______
frequency.
5. ______, _______, and ______________string
has lower pitch.

12. Summary
1. Higher frequency, higher pitch.
2. Shorter string, higher frequency.
3. Thicker string (with larger diameter), lower
frequency.
4. More stretched or tightened string, higher
frequency.
5. Longer, thicker, and more stretched string,
lower pitch.

13. Activity 3: Big Time Gig!!!
Students will create musical
instruments using indigenous
products and use these
instruments to compose tunes and
present in a Gig. Students may also
utilize other indigenous musical
instruments
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