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WorksheetsEM Radiation and Detection #1
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of these has the lowest energy?
a)
X-rays
b)
Gamma rays
c)
microwaves
d)
radio waves
2.
Which of these has the shortest wavelength?
a)
X-rays
b)
Gamma rays
c)
microwaves
d)
radio waves
3.
Which of these has the highest energy?
a)
X-rays
b)
Gamma rays
c)
microwaves
d)
radio waves
4.
Which of these has the highest frequency?
a)
X-rays
b)
Visible Light
c)
microwaves
d)
radio waves
5.
Due to their temperature, humans primarily emit this type of EM Radiation.
a)
Visible Light
b)
Infrared
c)
Ultraviolet
d)
microwaves
6.
Nebulae are huge clouds of gas and dust in space. Because they are not as hot as stars, they are best viewed using telescopes that are sensitive to...
a)
ultraviolet light
b)
visible light
c)
infrared light
d)
X-rays
7.
Without any special equipment, humans are capable of observing ___________ .
a)
ultraviolet light
b)
visible light
c)
infrared light
d)
microwaves
8.
The observation of quasars, pulsars, and radio galaxies require telescopes that are sensitive to ____________ .
a)
radio waves
b)
infrared
c)
gamma rays
d)
visible light
9.
Sun-sized stars emit primarily this type of EM radiation.
a)
ultraviolet light
b)
visible light
c)
gamma rays
d)
infrared light
10.
Which of these types of radiation moves the fastest?
a)
X-rays
b)
gamma rays
c)
visible light
d)
(all light moves at the same velocity)
11.
Who is this?
a)
Han Solo
b)
Lando Calrissian
c)
Obi Wan Kenobi
d)
Chewbacca
12.
Which of these is a form of ionizing radiation?
a)
microwaves
b)
visible light
c)
ultraviolet light
d)
infrared light
13.
Humans have been developing constellations possibly as far back as...
a)
30,000 years ago
b)
20,000 years ago
c)
3,000 years ago
d)
500 years ago
14.
Which of these is not a primary reason for the development of constellations?
a)
navigation
b)
estimating the right time to plant crops
c)
estimating the right time to harvest crops
d)
Estimating when comets would appear
15.
The planets orbit the sun nearly on a two dimensional surface called the...
a)
ecliptic
b)
planetary disc
c)
celestial equator
d)
azimuthal zenith
16.
The line in the night sky that is a projection of the equator on the celestial sphere.
a)
The celestial equator
b)
The ecliptic
c)
The planetary disc
d)
The Milky Way
17.
The zodiac signs are determined by 12 constellations that exist on the...
a)
ecliptic
b)
celestial equator
c)
horizon
d)
celestial meridian
18.
Constellations are...
a)
pictures that can be made by connecting stars with lines
b)
an area of the night sky designated by an asterism
c)
a group of stars that are all about the same distance from Earth
d)
12 constellations that revolve around the celestial meridian during the course of a year
19.
The celestial sphere is divided into ____ constellations.
a)
44
b)
88
c)
22
d)
11
20.
The Big Dipper is an example of a(n)...
a)
asterism
b)
constellation
c)
tall tale
d)
open cluster
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