2Identify the cause of waves. Vibrations2. What do waves carry?Energy
3LongitudinalTransverseIdentify the transverse and longitudinal wave.
4Which way do particles in a medium move when a wave is passing by Which way do particles in a medium move when a wave is passing by? In a circular path
5Explain the difference between mechanical and electromagentic waves Explain the difference between mechanical and electromagentic waves. Mechanical waves need a medium and electromagnetic waves do not need a medium. They can travel through a vacuum.
6Describe the movement of medium particles in a longitudinal wave Describe the movement of medium particles in a longitudinal wave. Particles move side to side (parallel to the movement of the wave)
7Describe the movement of medium particles in a transverse wave Describe the movement of medium particles in a transverse wave. Particles move up and down (at right angles to the movement of the wave)
8Bw 2 rarefactionsBw 2 compressionsDescribe a wavelength in a longitudinal wave. The distance between 2 compressions OR 2 rarefactions.
9Bw 2 crestsBw 2 troughsDescribe a wavelength in a transverse wave. The distance between 2 crests OR 2 troughs.
10CBAADIdentify the parts of this transverse wave. (Click to uncover the answer of each letter)
11What does a high amplitude indicate about the wave? It is high in energy.2. What does a high frequency indicate about the wave?It has a shorter wavelength.
12A B C Which wave has the highest frequency? C 2. Which wave has the longest wavelength?AABC
13Describe the relationship between: Frequency and wavelengthAs frequency increases, wavelength decreases.2. Frequency and periodAs frequency increases, period decreases.3. Amplitude and energyAs amplitude increases, energy increases.
14The wave bends because speed the wave changes speed. Which process is represented in the diagram?refractionExplain what happens to the wave and why.The wave bends because speed the wave changes speed.
15During refraction, which way does the wave bend when it traveling into a more dense medium? Explain. It bends towards the normal because the wave slows down.
16During refraction, which way does the wave bend when it traveling into a less dense medium? Explain. It bends away from the normal because the wave sppeds up.
17What process is taking place in this diagram. ReflectionDescribe what the light rays are doing.The light waves are bouncing off the surface.
18What kind of energy do electromagnetic waves carry? Radiant energy
19Which wave has the highest frequency? gamma rays2. Which has a shorter wavelength – infrared waves or x-rays?x-rays
20Which has a higher frequency – microwaves or ultraviolet waves Which has a higher frequency – microwaves or ultraviolet waves? ultraviolet waves
21A(n) _________ wave cannot travel through a vacuum. electromagnetic(2) mechanical(3) light(4) transverse
22In order for a wave to be produced, something must move (2) vibrate (3) spread apart (4) squeeze together
23Sound waves are _______________ waves. mechanical (2) transverse(3) Electromagnetic(4) longitudinal
24A transverse wave is a wave in which the (1) motion of the medium & direction of the wave are the same (2) medium is in its liquid phase (3) motion of the medium & direction are at right angles to each other (4) medium is in its solid phase
25Any substance through which a wave can travel is called a solid (2) vacuum (3) medium (4) liquid
26A large spring is stretched horizontally between 2 people A large spring is stretched horizontally between 2 people. One person wiggles the spring up and down at one end. The up-and-down vibration then moves along the spring on to the other person. Which of the following type of wave is created in the spring?pressure wavelongitudinal wavetransverse wavenonmechanical wave
27Which of the following statements applies to longitudinal waves? The motion of the medium is random.The motion of the medium is in a circular pattern.The motion of the medium is parallel to the motion of the wave.The motion of the medium is perpendicular to the motion of the wave.
28The part of a longitudinal waves where particles are farther apart is known as the crestcompressiontroughrarefaction
29The number of waves passing a point at a given time is known as 1 The number of waves passing a point at a given time is known as 1. wavelength 2. frequency 3. period 4. amplitide
30The time it takes one wavelength to pass a certain point is known as 1 The time it takes one wavelength to pass a certain point is known as 1. wavelength 2. frequency 3. period 4. amplitude
31Which of the following best describes the relationship between frequency and wavelength? If the frequency remains constant, wavelength increases.The wavelength decreases and frequency decreases.The frequency increases as wavelength decreases.If the wavelength remains constant, frequency increases.
32Which of the following electromagnetic waves have the highest frequency? Visible lightUltraviolet lightMicrowavesInfrared waves
34Which of the following statements best compares the wavelengths of the region of the electromagnetic spectrum?Microwaves are shorter then X-rays.Infrared rays are longer than gamma waves.Radio waves are shorter than visible light waves.UV waves are longer than visible light waves.