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- 1. Multiple Choice
The diagram below shows two waves. Which statement BEST compares the waves?
Wave 1 has a greater amplitude than Wave 2.
Wave 1 has taller crests than Wave 2.
Wave 2 as a higher frequency than Wave 1
Wave 2 has a greater wavelength than Wave 1.
- 2. Multiple Choice
Which of these statements is NOT true about both mechanical and electromagnetic waves?
Both types of waves carry energy.
Both types of waves need a medium to travel.
Both types of waves can have a variety of frequencies.
Both types of waves can be described by their wavelengths.
- 3. Multiple Choice
Which number in the diagram represents a wavelength?
1
2
3
4
- 4. Multiple Choice
Which of them following is a MAIN factor that affects the speed of a wave?
the pitch of sound.
the loudness of sound.
the amplitude of the wave.
the properties of the medium
- 5. Multiple Choice
Which of the following changes in wave properties is a result of an increase in wavelength?
higher crests
reduced height
lower frequency
faster movement.
- 6. Multiple Choice
Which change in wave properties increases wave amplitude?
greater length
increased energy
decreased frequency
shortened wave length.
- 7. Multiple Choice
By what process is energy transferred when sound waves travel through air?
absorption of sound waves by surfaces
vibrations of perpendicular electric and magnetic fields
flow of air currents away from the sound source to the listener
vibration of air particles parallel to the direction of the sound wave.
- 8. Multiple Choice
Wave produced by different sources are shown in the data table.
Which statement BEST describes the relationship among waves?
All transfer energy.
All are the same frequency.
All have equal wavelengths.
All travel the same speed.
- 9. Multiple Choice
The diagram shows two different wave changes.
Which wave characteristic changed in both instances?
ampltude
frequency
speed
wavelength
- 10. Multiple Choice
One could conclude that sound is transmitted fastest in
solids
liquids
gases
a vacuum
- 11. Multiple Choice
An empty cup was tightly covered with plastic wrap, and a few grains of salt were sprinkled on top of the plastic. When a tuning fork was struck and placed slightly above the plastic wrap, the salt began to move. Which characteristic of wave does the movement of the salt best demonstrate?
Echo formation
Diffraction
Resonance
Spectacular reflection
- 12. Multiple Choice
Which of the following statements best describes a difference between mechanical waves and electromagnetic waves.
Mechanical waves can produce colored light, while electromagnetic waves cannot.
Mechanical waves can travel in any direction, while electromagnetic waves travel only in one direction.
Mechanical waves travel only through a medium, while electromagnetic waves can also travel through a vacuum.
Mechanical waves travel only at the speed of light, while electromagnetic waves can travel at many different speeds.
- 13. Multiple Choice
Which list shows the order of radiation types from lowest to highest energy and frequency/
Infrared radiation, microwaves, radio waves, visible light, x-rays, gamma rays, UV rays
x-rays, gamma rays, infrared radiation, microwaves, radio waves, UV waves, visible light
Visible light, infrared radiation, UV rays, microwaves, radio waves, x-rays, gamma rays.
Radio waves, microwaves, infrared radiation, visible light, UV rays, x-rays, gamma rays.
- 14. Multiple Choice
Which type of electromagnetic wave has a wavelength longer than that of yellow light?
infrared radiation
UV rays
X-rays
Gamma ray
- 15. Multiple Choice
Ella is learning about different types of electromagnetic radiation. She is making the following list about one frequency.
*Can damage cells of living things
*Blocked by the Earth's ozone layer
Which type of radiation does Ella's list describe?
Infrared
Microwave
Ultraviolet
Visible
- 16. Multiple Choice
Which lists the colors of visible light in order from SHORTEST wavelength to the LONGEST wavelength?
blue, green, red, yellow
red, yellow, green, blue
blue, green, yellow, red
yellow, red, green, blue
- 17. Multiple Choice
In a vacuum, radio waves, visible light, and x-rays all have the same
wavelength
speed
frequency
energy
- 18. Multiple Choice
Which sentence correctly describes how light rays travel through the lens in the human eye?
Light rays come together through the convex lens.
Light rays come together through the concave lens.
Light rays are first spread apart and then come together through the convex lens.
Light rays are first spread apart and then come together through the concave lens.
- 19. Multiple Choice
Ultrasound devices use sound waves to create images that allow doctors to see inside the human body. Which BEST describes how sound waves are able to create these images?
Sound waves can be absorbed.
Sound waves reflect off objects.
Sound waves measure different temperatures.
Sound waves change speed in different materials.
- 20. Multiple Choice
Bats produce high-frequency sounds and then listen for echoes of these sounds bouncing off objects.
The high-frequency sound waves that bats produce MOST LIKELY have...
long wavelengths
short wavelengths
vibrating wavelengths
alternating wavelengths
- 21. Multiple Choice
A beam of light is shining on the surface of a liquid. The diagram shows what happens when the light is REFLECTED by the liquid.
- 22. Multiple Choice
Which diagram below illustrates the absorption of light energy?
- 23. Multiple Choice
Kelly shines a flashlight at a wall. the beam of light creates a bright spot on the wall. Kelly holds up a piece of black cardboard in front of the light. This stops the beam of light, and it does not shine on the wall.
Which effect does the black cardboard have on the beam of light?
Absorbtion
Brightness
Reflection
Refraction
- 24. Multiple Choice
Which of the following statements BEST explains why lightning is seen before thunder is heard?
Electromagnetic waves travel faster than mechanical waves in the air
Electromagnetic waves have a higher frequency than mechanical waves.
Electromagnetic waves experience less interference than mechanical waves.
Electromagnetic waves form faster than mechanical waves during a thunderstorm.
- 25. Multiple Choice
The diagram shows what occurs when a ray of light strikes and enters a pond.
Which property of light is illustrated when the ray enters the pond?
refraction
reflection
absorbtion
emission
- 26. Multiple Choice
Scientists use telescopes to make distant objects appear closer. Some parts of a telescope are shown below.
Which of the following best describes how the objective lens of the telescope helps a scientist observe the moon?
The objective lens produces light
The objective lens blocks light
The objective lens reflects light
the objective lens refracts light
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