Physics Instructional Guide

Vibrations and Waves

Physics

Quarter 3

McGraw Hill Module 13

Standard 4.1

END OF THE UNIT COMPETENCY WITH LANGUAGE SUPPORTS

Standard 4.1 Representation

Students identify and describe the relevant components in the mathematical representations: ● Mathematical values for frequency, wavelength, and speed of waves traveling in various specifed media ● The quantitative relationships between frequency, wavelength, and speed of waves traveling in various specifed media. ● The qualitative relationships between frequency, wavelength, and speed of waves traveling in various specifed media. Mathematical modeling Students use mathematical models based on data to ● Show that the product of the frequency and the wavelength of a particular type of wave in a given medium is constant ● Identify the constant relationship between frequency and wavelength as the wave speed according to the mathematical relationship = . ● Show that the wave speed for a particular type of wave changes as the medium through which the wave travels changes. ● Predict the relative change in the wavelength of a wave when it moves from one medium to another (thus different wave speeds using the mathematical relationship = ). ● Express the relative change of speed in terms of cause (different media) and effect (different wavelengths but same frequency). Analysis Students use the mathematical relationship = : ● Assess claims about any of the three quantities when the other two quantities are known for waves traveling in various specifed media. ● Distinguish between cause and correlation with respect to the supported claims.

DIFFERENTIATION IN ACTION

Skill Building

STEM Unit Project- Have students apply what they learned in their module to their Unit Projects Data Analysis Lab: How does the strength of gravity affect periodic motion? (p. 358)

Extension

FORMATIVE ASSESSMENTS

Standard 4.1

ELA CONNECTIONS