FREE AND STUDY GAMES ABOUT SCI CH 11 UNIT TEST

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FREE AND STUDY GAMES ABOUT SCI CH 11 UNIT TEST

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -31 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Vibrating electric charges that travel through space are known as____.

Answer:

Electromagnetic Waves

Question 2: The ozone layer protects us from too much_____Radiation.

Answer:

Ultraviolet

Question 3: FM radio wave frequencies are_____AM waves.

Answer:

Higher than

Question 4: Energy transmitted by____will feel waves.

Answer:

Infrared Rays

Question 5: What type of wave borders visible light at the red end of its range. What type of wave borders the violet end.

Answer:

1.(Infrared) 2.(Ultraviolet)

Question 6: The energy of the____is dependent on its frequency.

Answer:

Photon

Question 7: Cordless and cellular telephones are examples of____.

Answer:

Transceivers

Question 8: Television video signals are sent by______modulation.

Answer:

Amplitude Question 9: Which part of the electromagnetic spectrum can humans detect with their eyes?

Answer:

Visible Light

Question 10: Radiation therapy uses_____to kill diseased cells.

Answer:

Gamma Rays Question 11: As the frequency of an electromagnetic wave decreases its energy_____.

Answer:

Decreases

Question 12: What two types of electromagnetic waves do microwaves overlap?

Answer:

Radio and Infrared

Question 13: In which ways can ultraviolet waves be useful?

Answer:

Vitamin D and killing bacteria

Question 14: ____are not the same as sound waves.

Answer:

Radio Waves

Question 15: Which electromagnetic waves have the highest frequency.

Answer:

Gamma Rays

Question 16: To track a hurricane meteorologist use_____.

Answer:

Radar

Question 17: Each color of visible light has a different____.

Answer:

Wavelength

Question 18: The unit of radiant energy is the_____.

Answer:

Photon

Question 19: Cellphones use______waves to transmit information.

Answer:

Radio Waves

Question 20: ____is measured in hertz.

Answer:

Frequency

Question 21: The rays that can damage skin are known as_____.

Answer:

Ultraviolet Rays

Question 22: When gamma rays pass through living tissue they damage_____.

Answer:

Molecules

Question 23: The picture part of a television is____.

Answer:

Cathode-ray tube

Question 24: Which waves are used to inspect luggage at airports.

Answer:

X-rays Question 25: As the wavelength of an electromagnetic decreases its frequency_____.

Answer:

Increases Question 26: Doctors and dentists can apply low doses of_____onto photographic film.

Answer:

X-Rays Question 27: By using the_____you can determine your exact position and altitude.

Answer:

GPS Question 28: The type of electromagnetic waves that you have the most experience with is____.

Answer:

Visible light