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UNIT PLAN
Subject Area:
Unit #:
Unit Name:
Physical Science
8
Nature and Properties of Waves
Big Idea/Theme:
Waves transfer energy from place to place without transferring matter.
Culminating Assessment:
On a written assessment, solve problems involving velocity, frequency and
wavelengths, diagram and label the two types of waves, and diagram and
label the electromagnetic spectrum.
Create a poster, brochure or PowerPoint explaining earthquakes including
how and why the waves form, and why they form in the places they do form.
Unit Understanding(s)
Students will understand that…
energy of waves is transferred by
interaction with matter.
transverse and longitudinal
(compressional) mechanical waves
have similar properties.
Waves have characteristics.
the formulas v = f and v = d/t to
solve problems related to the
velocity of waves.
characteristics of the
electromagnetic spectrum (include
a range of wavelengths, frequency,
energy, and propagation without a
medium).
Sound and light waves are related
in terms of reflection, interference
refraction, and defraction.
the frequency and the pitch
changes of sound due to the
Doppler effect.
Unit Essential Question(s):
What are the two types of waves?
How is energy carried through
matter?
What are the properties of
transverse waves?
What are the properties of
longitudinal (compressional)
waves?
What are the parts of a wave?
Indicate by draw and label format.
What is wave velocity?
What is frequency?
What is wavelength?
What are the parts of the
electromagnetic spectrum?
The electromagnetic spectrum
consists of what type of wave?
How is the electromagnetic
spectrum broken down according to
decreasing wavelength? (Increasing
frequency)
What is reflection?
What is interference?
What is refraction?
What is defraction?
What is pitch?
How does the Doppler effect
change the frequency of the waves
and the pitch of the sound?
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Amplitude
Frequency
Rarefaction
Vocabulary
Compressional
Crest
wave
Interference
Medium
Refraction
Resonance
Transverse
wave
Acoustics
Trough
Wave
Cochlea
Decibel
Eardrum
Music
Sonar
Echolocation
Overtone
Sound quality
Intensity
Pitch
Ultrasound
Cathode-ray
tube
Electromagnetic
wave
Gamma rays
Infrared waves
Microwaves
Photon
Radio waves
X rays
Incandescent
light
Opaque
Transceiver
Coherent light
Incoherent light
Pigment
Ultraviolet waves
Fluorescent light
Index of
refraction
Polarized light
Translucent
Transparent
Concave lens
Convex lens
Convex mirror
Cornea
Focal point
Real image
Microscope
Reflecting
telescope
Optical axis
Refracting
telescope
Diffraction
Period
Standing
wave
Wavelength
Doppler
effect
Loudness
Resonator
Carrier
wave
Global
Positioning
System
Radiant
energy
Visible light
Holography
Mirage
Total
internal
reflection
Concave
mirror
Focal
length
Plan mirror
Retina
Virtual image
Students will know… / Students will be able to…
Recognize that waves carry energy but not matter.
Define mechanical waves.
Compare and contrast transverse waves and compressional waves.
Define wavelength, frequency, period, and amplitude.
Describe the relationship between frequency and wavelength.
Explain how a wave’s energy and amplitude are related.
Calculate wave speed.
State the law of reflection.
Explain why waves change direction when they travel from one material to
another.
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Compare and contrast refraction and diffraction.
Describe how waves interfere with each other.
Explain how sound travels through different mediums.
Identify what influences the speed of sound.
Describe how the ear enables you to hear.
Recognize how amplitude, intensity, and loudness are related.
Describe how sound intensity is measured and what levels can damage
hearing.
Explain the relationship between frequency and pitch.
Discuss the Doppler effect.
Distinguish between noise and music.
Describe why different instruments have different sound qualities.
Recognize some of the factors that determine how a concert hall or theater
is designed.
Discuss the uses of sonar.
Explain how ultrasound is useful in medicine.
Describe how electric and magnetic fields form electromagnetic waves.
Explain how vibrating charges produce electromagnetic waves.
Describe properties of electromagnetic waves.
Describe the waves in the different regions of the electromagnetic
spectrum.
Compare the properties of different electromagnetic waves.
Identify uses for different types of electromagnetic waves.
NOT ON STANDARDS BUT NEEDED
Distinguish between amplitude modulation and frequency modulation.
Describe how light waves interact with matter.
*Describe the difference between light color and pigment color.
*Explain how incandescent and fluorescent light bulbs work.
*Analyze the advantages and disadvantages of different lighting devices.
*Explain how a laser produces coherent light.
*Describe various uses of lasers.
Describe how an image is formed in there types of mirrors.
Identify examples and uses of plane, concave, and convex mirrors.
Compare refracting and reflecting telescopes.
South Carolina Academic Standards:
PS-1: The student will demonstrate an understanding of how scientific inquiry
and technological design, including mathematical analysis, can be used
appropriately to pose questions, seek answers, and develop solutions.
PS-7.1 Illustrate ways that the energy of waves is transferred by interaction with
matter (including transverse and longitudinal/compressional waves).
PS-7.2 Compare
the
nature
and
properties
of
transverse
and
longitudinal/compressional mechanical waves.
PS-7.3 Summarize characteristics of waves (including displacement, frequency,
period, amplitude, wavelength, and velocity as well as the relationships
among these characteristics).
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PS-7.4 Use the formulas v = f and v = d/t to solve problems related to the
velocity of waves.
PS-7.5 Summarize the characteristics of the electromagnetic spectrum
(including range of wavelengths, frequency, energy, and propagation
without a medium).
PS-7.6 Summarize reflection and interference of both sound and light waves
and the refraction and diffraction of light waves.
PS-7.7 Explain the Doppler effect conceptually in terms of the frequency of the
waves and the pitch of the sound.
Interim Assessment (formative)
Class Participation
Exit Slips
Formal/Informal Pre-assessment
Graphic Organizer
Group Work
Laboratory assignments
Notebooks
Projects
Quizzes
Teacher Observations
Tests
Writing assignments
Key Criteria (to meet the standard/rubric)
See rubric guide for the following rubrics:
Brochure
Poster
PowerPoint
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