This module discusses the nature, behavior, and application of sound.
Objective
1. compare the transmission of sound through air with its transmission through solids, liquids, and a vacuum.
2. discuss the factors that affect the speed of sound.
3. explain how sound waves are produced, transmitted and propagated.
4. discuss how information is transmitted and received in terms of energy transfer
and transformation in a telephone.
5. recognize the contributions of Graham Bell, Maxwell, Hertz and Marconi in the development of telecommunications.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 7, Grade 4, Grade 6
Learning Area
Science
Content/Topic
Force Motion and Energy
Force and Motion
Intended Users
Learners, Students
Competencies
Demonstrate how sound heat light and electricity can be transformed
Describe the characteristics of sound using the concepts of wavelength velocity and amplitude
Explain sound production in the human voice box and how pitch loudness and quality of sound vary from one person to another
Describe how organisms produce transmit and receive sound of various frequencies infrasonic audible and ultrasonic sound
