ESJH Physical Science - Med 101

Write all Answers on Looseleaf (do not copy question).

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Electromagnetic waves ____.
a. are compressional waves
b. must have a medium
c. are transverse waves
d. are generated by static electricity


____ 2. The ____ is the particle that carries radiant energy.
a. proton
b. neutron
c. photon
d. electron


____ 3. Electromagnetic radiation with the shortest wavelengths is ____.
a. gamma rays
b. radio waves
c. ultraviolet waves
d. infrared waves


____ 4. The electromagnetic waves with wavelengths slightly longer than visible light are ____.
a. microwaves
b. ultraviolet waves
c. infrared waves
d. X rays


____ 5. The frequency of purple light is ____ that of yellow light.
a. higher than
b. the same as
c. lower than
d. faster than


____ 6. ____ are used for medical imaging.
a. Ultraviolet waves
b. X rays
c. Infrared waves
d. Gamma rays


____ 7. Gamma rays are dangerous because they ____.
a. break down molecules and cells
b. fluoresce
c. cause sunburn
d. cause food to spoil


____ 8. Television uses ____ to transmit signals.
a. microwaves
b. visible light waves
c. infrared waves
d. radio waves


____ 9. The part of the electromagnetic spectrum usually used for communication is ____.
a. radio waves
b. ultraviolet waves
c. infrared waves
d. gamma rays


____ 10. Data from the U.S. Census shows that people who have No High School Diploma earn $15,570 a year, people with a High School Diploma earn $22,481 a year and people with a Bachelor’s Degree earn .
a. $5 a year
b. $0 a year
c. $40,347 a year
d. $2 a year

Completion
Complete each sentence or statement.

11. As the wavelength of an electromagnetic wave gets longer, the frequency ____________________.

12. The entire range of electromagnetic frequencies is called the ___________________________________.

13. Police use radio waves in a method called ____________________ to detect speeders.

14. I found today’s activity interesting. Why or why not?

# posted by Mr. Gibney @ 4:45 PM