Unit 3 Final Exam Forces & Interactions Read each question and all answers carefully. Eliminate obvious wrong answers, then choose the best remaining answer. Do not waste time as you will have 45-60 seconds to answer each question. No going back!

MS: Waves & Information Transfer MS-PS4-1 A transverse wave is transporting energy from east to west. The particles of the medium will move_____. east to west only both eastward and westward north to south only both northward and southward

2. A wave is transporting energy from left to right. The 2. A wave is transporting energy from left to right. The particles of the medium are moving back and forth in a leftward and rightward direction. This type of wave is known as a ____. Mechanical Electromagnetic Transverse Longitudinal

3. The amount of energy carried by a wave is determined by 3. The amount of energy carried by a wave is determined by the formula E = A2. If E is the energy, what is A called? Crest Trough Wavelength Amplitude

4. How does the energy in a TRANSVERSE wave move? Parallel to the wave vibrations. Perpendicular to the wave direction. Opposite to the wave vibrations. Independent of wave direction.

5. How does the energy in LONGITUDINAL waves move? Parallel to the wave vibrations. Perpendicular to the wave direction. Apart from the wave vibrations. Independent of wave direction.

6. In the diagram below, what letter represents the amount 6. In the diagram below, what letter represents the amount of energy the wave has?

What does Line D represent in the diagram above? The total energy of the wave. The frequency of the wave. The Amplitude of the wave. How strong we feel the wave. None of the above is correct.

8. In the diagram below, what letter denotes (shows) the wavelength? MS-PS2-2 8. In the diagram below, what letter denotes (shows) the wavelength?

What type of wave is represented in the diagram below? Longitudinal Compressional Transverse Sound

10. What type of wave does the diagram below represent? Transverse Sound Electromagnetic Light

MS: Waves and Information Transfer MS-PS4-2 11. A medium is able to transport a wave from one location to another because the particles of the medium are ____. frictionless isolated from one another able to interact very light

12. In order for John to hear Jill, air molecules must move 12. In order for John to hear Jill, air molecules must move from the lips of Jill to the ears of John. True False

13. In which of the following do transverse waves move fastest? space solids water air

In which medium do Sound waves move fastest? Air Water Space Solids

15. Which type of object transmits light easily? opaque translucent transparent colored

16. What is represented by this diagram? a. reflection b. refraction c. wavelength d. absorption

MS-PS3-1 17. What is represented by this diagram? a. reflection b. refraction c. wavelength d. absorption

18. What do Electromagnetic waves transmit? charges fields matter energy

19. An object is seen when light. reflected from an. object enters the 19. An object is seen when light reflected from an object enters the eye. True False

What do waves transfer? matter energy particles water

What do we call reflected sound waves? Echoes Noise Rebounds Reverberations

All sounds are created by vibrations or particle to particle transfer of energy. True False

23. What is changed when you change the frequency of a sound wave? pitch amplitude volume color

What is a popular use for Microwaves? cooking scattering diffraction refraction

Which type of object transmits light easily? opaque translucent transparent colored

26. What color of light will pass through this filter? Red Green Blue All

What part of the electromagnetic spectrum is visible to humans? All parts Infrared Visible Ultraviolet

Light is a type of what? electromagnetic wave electromagnetic spectrum electromagnetic energy horizontal wave

Which of these has the longest wavelength? Blue light Infrared radiation Radio wave X-ray

Which of these has the highest frequency? Blue light Infrared radiation Radio wave X-ray

MS: Waves and Information Transfer MS-PS4-3 What is NOT an example of a Digital Transmission? A cell phone. High Speed Internet Cable TV Sirius XM Radio All of the above are examples

Which option below lists the type of signal denoted by Which option below lists the type of signal denoted by binary 1s and 0s? Analog Digital Static Linear

Which of the following is NOT true for an Analog Wave? An Analog signal has a continuous change in amplitude and frequency. An Analog wave can carry much more information than a Digital wave. A person’s voice or a dog barking are examples of Analog waves. Analog wave transmission is more reliable than Digital. Both b and d are not true about Analog Waves

Analog signal are created when information is translated Analog signal are created when information is translated into electrical pulses of varying amplitude. True False

Which of the following is NOT true for a Digital Wave? An Analog wave can carry much more information than a Digital wave. Digital signals are used to make CD’s and MP3’s. Digital signals are defined and consistent. Digital signals are created from 0’s and 1’s.