1. Practice CRCT Question
Warm Up 03/25
Practice CRCT Question
Which waves have some electrical properties and some magnetic properties?
A. longitudinal
B. transverse
C. mechanical
D. electromagnetic

2. Closing 03/25 Electromagnetic waves can transfer energy without a(n)…
Practice CRCT Question
Electromagnetic waves can transfer energy without a(n)…
A. electric field
B. medium
C. magnetic field
D. change in either electric or
magnetic fields.

3. Practice CRCT Question
Warm Up 03/26
Practice CRCT Question
Which electromagnetic waves have the longest wavelengths and lowest frequencies?
infrared
radio waves
ultraviolet
gamma rays

4. Closing 03/26 Which of the following is true of ultraviolet rays?
Practice CRCT Question
Which of the following is true of ultraviolet rays?
a. They are visible.
b. They carry data to televisions and radios.
c. They help your body produce vitamin D.
d. They provide the energy that bakes your pizza.

5. Practice CRCT Question
Warm Up 03/27
Practice CRCT Question
Which color in visible light has the longest wavelength?
A. red
B. violet
C. blue
D. yellow

6. Closing 03/27 a. radio waves b. gamma rays c. ultraviolet rays
Practice CRCT Question
Which type of electromagnetic wave has the greatest wavelength?
a. radio waves
b. gamma rays
c. ultraviolet rays
d. microwaves

7. Practice CRCT Question
Warm Up 03/28
Practice CRCT Question
Frosted glass and wax paper are materials that are…
a. transparent
b. translucent
c. clear
d. opaque

8. Closing 03/28
Practice CRCT Question
A clear glass and water are examples of what kind of material?
a. opaque
b. transparent
c. translucent
d. shiny

9. Warm Up 03/29 reflection. refraction. diffraction. absorption.
Practice CRCT Question
The bending of light rays as they enter a new medium is called…
reflection.
refraction.
diffraction.
absorption.

10. Closing 03/29
Practice CRCT Question
The range of electromagnetic waves placed in a certain order is called the…
electromagnetic spectrum
electromagnetic wavelength
electromagnetic frequency
electromagnetic field