Physical Science: Unit 9 Waves, Sound, and Light

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Physical Science: Unit 9 Waves, Sound, and Light

Unit Title: Waves, Sound, and Light

Included
7 - PowerPoint Presentations (pptx) 84 slides
15 - Labs/Worksheets (pdf, pptx, and docx)
4 - Unit Tests (CP and Pre-AP) with answer key (Examview and docx)
2 - Unit Review Guides (with Answer Key)

Subject/Topic Areas: Types of waves, characteristics of waves, wave interactions, sound, nature of light, reflection of color, refraction, lenses, and prisms

Brief Summary of Unit

Enduring Understanding:
Students will understand that:
• All waves transfer energy without the movement of matter
• Waves travel at different speeds according to the density of a medium
• Amplitude determines the amount of energy a wave carries
• Wavelength and frequency are related

Essential Question:
• How do waves transfer energy?
• How are frequency and wavelength related?
• How are amplitude and energy related?
• How are waves generated?
• What is the difference between and transverse and longitudinal wave?
• How do the particles in ocean waves move?
• What are some ways to measure and compare waves?
• How can you calculate the speed of a wave?
• Why does the pitch of an ambulance siren change as the ambulance rushes past you?
• How do waves behave when they hit a boundary, when they pass around an edge or opening, and when they pass from one medium to another?
• What happens when two or more waves are in the same location?
• How does a wave affect the medium in which it travels?
• What are the characteristics of sound waves?
• How do musical instruments make sound?
• How do ears help humans hear sound waves?
• How are the reflections of sound waves used?
• How do scientific models describe light?
• What does the electromagnetic spectrum consist of?
• How do objects interact with incoming light?
• How can you see an image in a mirror?
• Why do we see colors?
• What happens to light when it passes from one medium to another medium?
• What happens when light passes through a lens?
• How can a prism separate white light into colors?

Learning Goals

Students will know: (Knowledge)
• Characteristics of waves
• Types of waves (transverse, longitudinal, compression)
• Speed of waves and how it is affected by medium
• Doppler effect

Students will be able to do (Skills)
• Describe the types of waves, their wavelengths, and frequencies of the electromagnetic spectrum
• Demonstrate the Doppler effect
• Relate reflection, refraction, interference, and diffraction to their everyday lives
• Describe the types of wave interference

Formal Assessments
Unit 10 Written test
Lab write up
Vocabulary Quiz

Informal Assessments and Other Evidence
Lab Activities
Quizzes(CPS clickers)
Homework

Differentiation:
• Pair students; students with high ability, low ability, and other.
• Extended time on tests or assignments
• Enhanced learning material

Relevant Content Vocabulary
Chapter 15
medium, mechanical wave, electromagnetic wave, transverse wave, longitudinal wave, crest, trough, amplitude, wavelength, period, frequency, Doppler effect, reflection, diffraction, refraction, interference, constructive interference, destructive interference, standing wave
Chapter 16
sound wave, pitch, infrasound, ultrasound, resonance, sonar, photon, intensity, radar, light ray, virtual image, real image, lens, magnification, prism, dispersion

Total Pages
100+
Included
Teaching Duration
2 Weeks
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