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WorksheetsEM Waves, Light, & Heat
Total questions: 30
Worksheet time: 7hrs 16mins
Name
Class
Date
1.
The _______ rays in sunlight can cause sunburn and cancer.
a)
infrared
b)
x-rays
c)
UV
d)
gamma
2.
True or false: as you move along the spectrum, left to right, the wavelengths decrease in size (get smaller)
a)
true
b)
false
3.
Select the correct order of waves on the EMS
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
4.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
5.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
6.
Which of the following electromagnetic waves is given off as heat?
a)
Radio Waves
b)
Infrared Rays
c)
Visible Light
d)
Gamma Rays
7.
Airport security is an example of _________.
a)
infrared rays
b)
radio waves
c)
x-rays
d)
gamma rays
8.
Televisions and radios use ______radiation
a)
radio wave
b)
Infrared waves
c)
Gamma wave
d)
Microwaves
9.
Which of the following happens when light hits a new medium and bends as it passes through it?
a)
reflection
b)
refraction
c)
electromagnetic
d)
spectrum
10.
Which of the following happens when light bounces off a surface?
a)
reflection
b)
refraction
c)
electromagnetic
d)
spectrum
11.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer?
a)
Infrared Rays
b)
Radio Waves
c)
Microwaves
d)
Ultraviolet Rays
12.
Which describes a convex lens?
a)
triangular in shape
b)
more transparent in the middle
c)
thicker on the edges than in the middle
d)
thicker in the middle than on the edges
13.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
14.
Blow drying your wet hair.
a)
conduction
b)
convection
c)
radiation
15.
The man goes to take the hot pot off the stove with his bare hands.
a)
conduction
b)
convection
c)
radiation
16.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
17.
The baby chickens are kept warm from the heat lamps.
a)
conduction
b)
convection
c)
radiation
18.
The warm air from this heater creates a current when the warm air rises and the cold air sinks.
a)
conduction
b)
convection
c)
radiation
19.
What Does a Concave Lens Do?
a)
Make things bigger
b)
Make things smaller
c)
Make things closer
d)
Make things happy
20.
What Does a Convex Lens Do?
a)
Make things bigger
b)
Make things smaller
c)
Make things closer
d)
Make things sader
21.
Which of the following does not refract light?
a)
prism
b)
convex lens
c)
concave lens
d)
mirror
22.
why does a pencil look bent in the water
a)
because light moves faster in water
b)
because light moves sideways in water
c)
because light moves slower in water
d)
because light moves backwards in water
23.
Which waves have some electrical properties and some magnetic properties?
a)
transverse waves
b)
longitudinal waves
c)
mechanical waves
d)
electromagnetic waves
24.
Electromagnetic waves can transfer energy without a(n)
a)
medium
b)
electric field
c)
magnetic field
d)
change in either a magnetic or an electric field
25.
The range of electromagnetic waves placed in a certain order is called the
a)
EM spectrum
b)
EM wavelength
c)
EM frequency
d)
EM field
26.
When a police officer uses radar for speed control, he/she is using what kind of EM waves?
a)
radio
b)
gamma rays
c)
UV rays
d)
x-rays
27.
What kind of waves do cell phones use to transmit and receive signals?
a)
gamma rays
b)
microwaves
c)
UV rays
d)
infrared rays
28.
Which material would cause the light to behave as shown in the diagram?
a)
glass
b)
tissue paper
c)
aluminum foil
d)
clear plastic wrap
29.
Frosted glass and wax paper are examples of _____________ materials.
a)
transparent
b)
translucent
c)
clear
d)
opaque
30.
Heat transfers through solids by ____________ only.
a)
conduction
b)
convection
c)
radiation
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