7 Matching Questions

1. what determines what color an object is?
2. Earth's largest source of EM waves
3. sound intensity
4. sound waves move fastest in which type of medium?
5. waves used to kill cancer cells
6. EM waves that bees can see
7. waves used in radios and TVs

1. a radio waves
2. b ultraviolet
3. c sun
4. d the color that is reflected by the object and the color of light hitting the object
5. e gamma
6. f solid
7. g measure of the energy or amplitude of a wave

7 Multiple Choice Questions

1. hertz
   1. color of visible light with highest frequency
   2. unit of measurement of sound frequency
   3. color of visible light with lowest frequency
   4. unit of measure of sound amplitude
2. radio waves
   1. uses of microwaves
   2. uses of infrared waves
   3. speed of EM waves
   4. lowest energy waves
3. red
   1. color of visible light with lowest frequency
   2. waves with the highest frequencies
   3. unit of measurement of sound frequency
   4. color of visible light with highest frequency
4. medium and temperature
   1. uses of infrared waves
   2. EM waves that bees can see
   3. factors affecting the speed of sound
   4. waves used in radios and TVs
5. x-rays
   1. waves that can travel through soft tissue but not bone
   2. waves with the highest frequencies
   3. EM waves that bees can see
   4. waves used in radios and TVs
6. remote controls, laser pointers, heat lamps
   1. uses of infrared waves
   2. uses of microwaves
   3. speed of EM waves
   4. lowest energy waves
7. radio, micro, infrared, visible, ultraviolet, x-ray, gamma
   1. speed of EM waves
   2. uses of infrared waves
   3. 7 types of electromagnetic waves
   4. uses of microwaves

6 True/False Questions

1. doppler effect →
   the change in perceived pitch that occurs when the source of a sound is moving

   True        False

2. speed of EM waves → speed of light

   True        False

3. color of visible light with highest frequency → red

   True        False

4. higher frequency makes a ________ pitch → radio waves

   True        False

5. echolocation →
   none of the light waves get through

   True        False

6. uses of microwaves → microwave oven, cell phone, radar

   True        False