Copy of 8th Grade Science Waves Review

Multiple Choice

What is the "top" of a wave called?

• Crest

• Trough

• Amplitude

• Wavelength

Multiple Choice

What does the term "trough" refer to in a wave?

• The height of the wave

• The bottom of the wave

• The length of the wave

• The top of the wave

Multiple Choice

What is amplitude in a wave?

• The length of the wave

• The top of the wave

• The height of the wave from the centerline

• The bottom of the wave

Multiple Choice

Which symbol is used to represent wavelength?

• α

• λ

• β

• ω

Multiple Choice

Frequency is most related to which property of a wave?

• Wavelength

• Amplitude

• Type of wave

• Loudness

Multiple Choice

Which type of wave has more cycles in the same amount of time?

• High frequency wave

• Low frequency wave

• Both have the same number

• Neither

Multiple Choice

What does the amplitude of a wave measure?

• The height of the wave from the center line to the peak or trough

• The distance between two wave peaks

• The speed of the wave

• The color of the wave

Multiple Select

What is the wavelength of a wave?

(Choose 2)

• The distance between two consecutive peaks

• The distance between two consecutive troughs

• The speed of the wave in a vacuum

• The frequency of the wave as it passes

Multiple Choice

If a wave has a higher amplitude, what does it mean?

• The wave is taller from the center line

• The wave is shorter from the center line

• The wave has a longer wavelength

• The wave has a lower frequency

Multiple Choice

Which of the following describes a wave with a lower wavelength?

• The wave peaks are closer together

• The wave peaks are farther apart

• The wave is taller

• The wave is slower

Multiple Choice

What is the main difference between longitudinal waves and transverse waves?

• Longitudinal waves move particles perpendicular to the wave direction, while transverse waves move particles parallel.

• Longitudinal waves move particles parallel to the wave direction, while transverse waves move particles perpendicular.

• Both waves move particles in random directions.

• Longitudinal waves only occur in water, while transverse waves only occur in air.

Multiple Choice

Which of the following is an example of a longitudinal wave?

• Ripples on the surface of water

• Sound waves

• Light waves

• Ocean waves

Multiple Choice

In transverse waves, how do the particles of the medium move relative to the direction of wave propagation?

• Parallel

• Circular

• Perpendicular

• Diagonal

Multiple Choice

What is shown by the distance between two consecutive compressions in a longitudinal wave?

• Frequency

• Amplitude

• Wavelength

• Speed

Multiple Choice

Which of the following is an example of a transverse wave?

• Sound waves

• Ripples formed on the surface of water

• Seismic P-waves

• Radio waves in a vacuum

Multiple Choice

What are the two main components of an electromagnetic wave?

• Electric field and magnetic field

• Sound and light

• Heat and pressure

• Gravity and friction

Multiple Choice

In the diagram, which color represents the magnetic field component of the electromagnetic wave?

• Red

• Blue

• Green

• Yellow

Multiple Choice

Which axis does the electric field component of the electromagnetic wave lie along in the diagram?

• X-axis

• Y-axis

• Z-axis

• W-axis

Multiple Choice

What does the distance between two consecutive peaks in the wave represent?

• Wavelength

• Frequency

• Amplitude

• Speed

Multiple Choice

What is the main difference highlighted between electromagnetic and transverse waves in the title?

• What to know about their properties

• Their color

• Their speed

• Their temperature

Multiple Choice

Which type of electromagnetic wave has the longest wavelength?

• Gamma Ray

• X-Ray

• Radio

• Ultraviolet

Multiple Choice

What is associated with high frequency in the electromagnetic spectrum?

• Long wavelength

• Low energy

• Short wavelength

• Radio waves

Multiple Choice

Which of the following is an example of something that uses microwaves?

• Light bulb

• Microwave oven

• X-ray machine

• AM radio

Multiple Choice

Which part of the electromagnetic spectrum can be seen by humans?

• Infrared

• Visible

• Ultraviolet

• Gamma Ray

Multiple Choice

What is true about gamma rays compared to radio waves?

• Gamma rays have longer wavelengths and lower energy.

• Gamma rays have shorter wavelengths and higher energy.

• Gamma rays have lower frequency and lower energy.

• Gamma rays have the same properties as radio waves.

Multiple Choice

Which type of wave requires a medium to travel?

• Mechanical waves

• Electromagnetic waves

• Light waves

• Radio waves

Multiple Choice

Which of the following is an example of a longitudinal wave?

• Sound waves

• Water waves

• Light waves

• Microwaves

Multiple Choice

Which type of wave does NOT require a medium to travel?

• Electromagnetic waves

• Mechanical waves

• Longitudinal waves

• Transverse waves

Multiple Choice

Which of the following is NOT an example of an electromagnetic wave?

• Sound waves

• Light

• Microwaves

• X-rays

Multiple Choice

Water waves are an example of which type of mechanical wave?

• Transverse waves

• Longitudinal waves

• Electromagnetic waves

• Radio waves

Multiple Choice

What is the formula for calculating wave speed?

• v = f + λ

• v = f x λ

• v = λ / f

• v = f - λ

Multiple Choice

In the wave speed formula, what does the symbol 'f' represent?

• Wavelength

• Speed

• Frequency

• Velocity

Multiple Choice

What are the units for wave speed in the wave speed formula?

• Hertz (Hz)

• Meters (m)

• Meters per second (m/s)

• Seconds (s)

Multiple Choice

Which variable in the wave speed formula represents wavelength?

• v

• f

• λ

• Hz

Multiple Choice

If you know the frequency and wavelength of a wave, what can you calculate using the wave speed formula?

• The amplitude of the wave

• The speed of the wave

• The color of the wave

• The direction of the wave