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WorksheetsElectromagnetic Spectrum
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
Based on Hubble's observations, the universe is
a)
moving at the same speed
b)
going to explode
c)
moving apart
d)
not changing
2.
What is an example of a wave with a long wavelength and low frequency?
a)
Gamma rays
b)
Infrared
c)
Radio
d)
Visible light
3.
The frequency of infrared waves is..
a)
1012 Hz
b)
1020 Hz
c)
104 Hz
d)
1015 Hz
4.
What is the correct order of the visible light spectrum starting with the longer wavelength?
a)
Red, yellow, orange, blue, violet, indigo
b)
Violet, indigo, blue, green, yellow, orange, red
c)
Green, yellow, blue, indigo, red, orange
d)
Red, orange, yellow, green, blue, indigo, violet
5.
What is an example of a wave with a short wavelength, high frequency, and high energy?
a)
Xray
b)
Microwave
c)
Visible light
d)
Infrared
6.
An example of a wave with a short wavelength, high frequency, and high energy is a
a)
X-ray
b)
Microwave
c)
Visible light wave
d)
Infrared wave
7.
What gases are in the unknown mixture?
a)
Gas B & Gas D
b)
Gas C & Gas B
c)
Gas A & Gas D
d)
Gas D & Gas C
8.
Frequency is..
a)
The distance of a wave from crest to crest.
b)
The shifting of waves away from Earth.
c)
The amount of time it takes a wave to travel in one second.
9.
If Sirius is 8.7 light years away from Earth, how long will the light to reach our eyes?
a)
16 years
b)
8.7 years
c)
4.2 years
d)
87 years
10.
A light year is...
a)
The distance light travels in one year.
b)
The speed of light.
c)
The revolution of the Earth around the Sun.
d)
The amount of time it takes light to reach our eyes.
11.
The Big Bang Theory states..
a)
Stars exploded to create the universe.
b)
Several galaxies burned and ran out fuel that resulted in the universe.
c)
The universe came from a single point , then exploded all matter that formed the universe.
d)
Some of the universe was formed from an explosion and formed galaxies.
12.
The movement of emitted light of gases towards Earth is..
a)
blue shift
b)
light year
c)
red shift
d)
no shift
13.
How can we see the orange star in the Astros logo?
a)
Orange is shifted in our eyes and then reflected.
b)
Orange is the star is absorbed and all other colors are reflected into our eyes.
c)
The frequency of orange is reflected into our eyes.
d)
Orange is reflected into our eyes and all other colors are absorbed.
14.
What waves have the lowest energy?
a)
Gamma rays
b)
Visible light waves
c)
Radio waves
d)
X rays
15.
Wavelengths are measured from ...
a)
the crest of one wave to the trough of another.
b)
the frequencies of one wave to another.
c)
the middle of one wave to another.
d)
the crest of one wave to the crest of another.
16.
What waves send text messages?
a)
Gamma rays
b)
Satellite rays
c)
Light waves
d)
Microwaves
17.
If objects in space are red shifting they are..
a)
moving at a constant speed
b)
moving away from us
c)
not moving
d)
moving towards us
18.
An example of an ionizing wave is..
a)
radio
b)
infrared
c)
visible light
d)
xray
19.
Flash, the bearded dragon is so happy basking under his infrared light. How does the light benefit Flash's homeostasis?
a)
Infrared light helps increase the reptiles body temperature
b)
Infrared light gives him a suntan
c)
Infrared light helps reptiles see their surroundings
d)
Infrared light helps humans to see him better in his habitat
20.
What waves is used in night vision goggles and remote controls?
a)
Visible light
b)
Radio
c)
Infrared
d)
Xray
21.
Why do we use light years to measure the universe?
a)
They measure the distance from the Earth to the Sun.
b)
Objects is the universe are spread vastly amongst each other.
c)
They measure the size of planets and stars.
d)
Objects in the universe move really fast.
22.
Red shifting objects in the universe have..
a)
short wavelengths and low frequency
b)
long wavelengths and high frequencies
c)
long wavelengths and low frequencies
d)
short wavelengths and high frequencies
23.
True or False: NOTHING existed before the Big Bang Theory, then a massive explosion occurred and all the material of the universe was expelled in many directions at high speed.
a)
True
b)
False
24.
If an intelligent being from another galaxy that is 30 light years away from Earth in 2017, what year are they observing?
a)
2047
b)
1987
c)
2020
d)
1997
25.
True or False: Infrared waves are non ionizing.
a)
True
b)
False
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