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8th grade-waves

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QuestionAnswer
A wave is any disturbance that transmits ___________ through matter or space.
The material or substance through which a wave may travel is called the ____________.
Sound waves travel by ___________ of particles.
Waves that require a medium are called ______________ waves.
Waves that do not require a medium are ___________________ waves.
Sound travels faster in a solid than a liquid or a gas. That is because the denser or more concentrated the medium, the ____________ sound will travel.
A transverse wave that does not require a medium is called an ____________________ wave.
___________ waves are waves in which the particles of the medium vibrates in an up and down motion.
Particles of a transverse wave move _________________ to the direction that the wave is traveling.
The _________ is the highest point of a transverse wave.
The _________ is the lowest point of a transverse wave.
The ___________ of a wave is the maximum distance of the wave vibration from its rest position to the crest.
The _________ position of a wave is where the particles of a medium stay when there are no disturbances.
The larger the amplitude, the greater the ___________ of the wave.
_______________ is the distance between two adjacent crests or compressions in a wave.
______________ is the number of waves produced in a given amount of time.
Frequency is expressed in ____________ (Hz).
Higher frequency, just like higher amplitude, means more ______________.
Sound waves travel fastest in _____________ and slowest in air.
The __________ of a sound wave is directly related to the frequency.
A dog whistle has a _____________ frequency.
_____________ waves are waves in which the particles of the medium vibrate back and forth along the path that the wave travels.
A _____________ is a section of longitudinal wave where the particles are crowded together.
A _____________ is a section of the wave where particles are less crowded.
_________ waves are longitudinal waves.
List the seven types of electromagnetic waves in the electromagnetic spectrum - from lowest frequency to highest frequency.
_____________ occurs when a wave bounces back after striking a barrier.
Reflected sound waves are called an _______.
Light travels at different speeds in different materials. This is why light ___________, or bends as it enters a new substance.
The surface of a red apple __________ all the colored light rays, except for red.
The red light from an apple is _____________ to the eye.
___________ is the bending of waves around a barrier or through an opening.
___________ waves travel around corners better because it has larger wavelengths than light.
____________ is when light is taken in by an object.
A lens that is thicker in the middle is called a ____________ lens.
A lens that is thinner in the middle is called a ____________ lens.
A convex lens bends light ____________.
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