Chapter Resources
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Image Bank
Foldables
Video Clips and Animations
Chapter Summary
Chapter Review Questions
Standardized Test Practice
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Image Bank
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Transfer Images
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the following steps:
• Open the “Resource” file from the CD-ROM disc –
view the file in the “normal view” or “slide sorter
view” mode - go to slide #2 – from there you can
click through the images and follow these
instructions. Click once on the image.
• Copy the image
• Go to your own power point document
• Paste the image.
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Earthquake Damage
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Transverse
Waves
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Compressional Waves
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Seismic Waves
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Wavelength
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Amplitude of a Transverse Wave
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Amplitude of a
Compressional
Wave
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Refraction
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Singer
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Sound Waves are
Compressional
Waves
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Table –
Speed of
Sound in
Different
Materials
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Intensity
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The Decibel Scale and Loudness
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Bats Flying
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Moon Shining
at Night
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Properties of Light Waves
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The Electromagnetic Spectrum
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Visible Light
and Color
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X ray of
an Arm
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Electromagnetic Waves from the Sun
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The Eye and Seeing Light
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More Curved Lens
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Flatter Lens
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Wavelength
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Foldables
Waves
Make the following Foldable to compare and
contrast the characteristics of transverse and
compressional waves.
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Foldables
Fold one sheet of lengthwise paper in half.
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Foldables
Fold into thirds.
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Foldables
Unfold and draw overlapping ovals.
Cut the top sheet along the folds.
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Foldables
Label the ovals as shown.
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Foldables
Construct a Venn
Diagram
As you read the chapter, list the characteristics
unique to transverse waves under the left tab,
those unique to compressional waves under
the right tab, and those characteristics
common to both under the middle tab.
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Video Clips
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Reviewing Main Ideas
1
Waves
• Waves carry energy from place to place
without transporting matter.
• Transverse waves move particles in matter at
right angles to the direction in which the
waves travel.
• Compressional waves move particles back
and forth along the same direction in which
the waves travel.
• The speed of a wave equals its wavelength
multiplied by its frequency.
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Reviewing Main Ideas
2
Sound Waves
• Sound waves are compressional waves
produced by something vibrating.
• The intensity of sound waves is measured in
units of decibels.
• You hear sound when sound waves reach
your ear and cause parts of the ear to vibrate.
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Reviewing Main Ideas
3
Electromagnetic Waves and Light
• Electromagnetic waves are transverse
waves that can travel in matter or empty
space.
• Light waves are electromagnetic waves.
• The range of frequencies and wavelengths of
electromagnetic waves forms the
electromagnetic spectrum.
• You see an object when light waves emitted
or reflected by the object enter your eye and
strike light-sensitive cells inside the eye.
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Chapter Review
Question 1
Imagine that you are looking through a
telescope at an enormous volcano erupting on a
distant planet. If this were actually happening,
you could see the explosions but not hear them.
Why not?
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Chapter Review
Answer
Light waves can travel through the empty
space between Earth and the distant planet, but
sound waves can’t. They need a medium in
which to travel. No matter how big the
explosions were, it wouldn’t make any sound.
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Chapter Review
Question 2
Wavelengths of light are expressed in _______,
which are billionths of a meter.
Answer
The answer is nanometers. These are written
as nm.
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Chapter Review
Question 3
What is the term for the complete range of
electromagnetic frequencies?
Answer
The electromagnetic spectrum is the complete
range of electromagnetic wave frequencies
and wavelengths.
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Chapter Review
Question 4
All warm bodies emit a kind of radiation. What
kind?
A. gamma rays
B. infrared waves
C. ultraviolet waves
D. X rays
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Chapter Review
Answer
The answer is B. This is what you pick up
when you use night vision goggles.
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Chapter Review
Question 5
Which are the electromagnetic waves with the
highest energy, the highest frequency, and the
shortest wavelengths?
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Chapter Review
Answer
The answer is gamma rays. These high-energy
rays are so powerful they are used in the food
industry to kill bacteria.
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Standardized Test Practice
Question 1
From the point of view of optics, why is a
blueberry blue?
A. because it absorbs blue wavelengths of light
B. because it reflects blue wavelengths of light
C. because it emits blue wavelengths of light
D. it has nothing to do with wavelengths of light
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Standardized Test Practice
Answer
The answer is B. Any object is the color it is
because it is reflecting those wavelengths back
into your eye.
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Standardized Test Practice
Question 2
If a person is farsighted, then they can see
_______.
A. all objects clearly
B. close objects clearly, but not far off ones
C. far off objects clearly, but not close ones
D. no objects clearly
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Standardized Test Practice
Answer
The answer is C. Farsightedness can be
corrected by wearing glasses.
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Standardized Test Practice
Question 3
Light waves travel through space at around
_______.
A. 30 km/s
B. 300 km/s
C. 3,000 km/s
D. 300,000 km/s
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Standardized Test Practice
Answer
The answer is D. This is called the speed of
light, and is as fast as any material object can
go in our universe.
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Standardized Test Practice
Question 4
According to the law of reflection, the angle
that an incoming wave makes with the normal
equals _______.
A. the angle that the outgoing wave makes with
the normal
B. the normal itself
C. the sum of all other possible angles
D. 180 degrees
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Standardized Test Practice
Answer
The answer is A; this is the rule by which
waves change direction when they move from
one medium to another.
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Standardized Test Practice
Question 5
The bending of a wave around an object is
called _______.
A. deflection
B. diffraction
C. deflection
D. reaction
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Standardized Test Practice
Answer
The answer is B. The amount of diffraction
will depend on the size of the obstacle.
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