WorksheetsOrigins of the Universe McGrane
Total questions: 34
Worksheet time: 3hrs 32mins
Redshift and cosmic background radiation are evidence supporting the _____________.
Big Bang Theory
Nebula
Electromagnetic spectrum
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
Moving towards the Earth
Moving away from the Earth
This is a trick question that cannot be answered
If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...
Moving towards the Earth
Moving away from the Earth
This is a trick question that cannot be answered
The vast majority of galaxies in our universe are moving away from us. We know this because we observe __________ in the galaxies absorption spectra.
Redshift
Blueshift
Superposition
When redshift occurs, the perceived WAVELENGTH of the wave would...
Get longer
Get shorter
Stay the same
EM waves________________travel through outer space.
Never
Cannot
Can
_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
microwaves
radio waves
gamma rays
_______ carry the greatest amount of energy.
x-rays
gamma rays
infrared rays
High frequency waves have _________ wavelengths.
the same
long
short
The blue section of the wave is measuring _________________.
wavelength
crest
trough
If the wavelength of an electromagnetic wave is longer, what is true about the energy?
Energy is higher.
Energy is lower.
energy is cancelled out
Most scientists believe the Big Bang Theory explains which of the following questions?
How our planets and moons formed
How our universe began
How the sun turns hydrogen into helium
Object NGC5490 is traveling at a speed of about...
225 mly from Earth
3000 km/sec away from Earth
5000 km/sec away from Earth
What happened to the electromagnetic radiation emitted from the Big Bang?
It is visible in optic telescopes
I has moved to the gamma ray part of the spectrum
It has stretched out to the microwave part of the spectrum
The leftover radiation from the Big Bang is known as ___________.
Comic Micro Back Radiation
Cosmic Radiowave Radiation
Cosmic Microwave Background Radiation
What can we conclude from the observation that nearly all galaxies are moving away from us?
The once-smaller universe is expanding in all directions.
The Sun and Earth are located at the center of the universe.
Everything in the universe is moving the same direction.
As galaxies move away from us, the light waves we see coming from them are
scrunched together.
louder.
stretched out.
Which statement is true?
Most of the galaxies are moving toward us.
Most of the galaxies are moving away from us.
The universe remains static or unchanged in motion.
This type of wave NEEDS to travel through a MATERIAL to move from place to place, like a sound wave.
non-mechanical wave
electromagnetic wave
mechanical wave
Which characteristic(s) describe a wave?
they carry energy
they have a frequency
they have a wavelength
All of these
The drawings below represent four different objects moving away from the Earth. Which one is moving at the slowest speed?
A
B
C
D
How old do scientists think the Universe is?
13.8 billion years old
4.5 billion years old
24,000 years old
What 2 things make up everything in the Universe?
Matter and Heat
Energy and Matter
Mass and Volume
In ____shift, the galaxies appear _____ in color b/c they are moving away from us.
blue; red
red; red
red; blue
How does Cosmic Microwave Background Radiation support the Big Band Theory?
Microwaves are found everywhere in the universe.
Microwaves occurred at the time of the Big Bang
Microwaves are useful in our everyday lives
As the Universe cooled, the Energy from the big bang turned into...
more energy.
molecules
sub atomic particles
What is red shift?
Things in space are red
Things in space will appear redder than they are if they are not moving
Things in space will appear redder than they are if moving away from you
What does the Big Bang theory suggest?
The universe was just there
The Milky Way is the only solar system
The universe is continually expanding
The drawings below represent four different objects moving away from the Earth. Which one is the farthest distance from Earth?
A
B
C
D
If the frequency of the wave is DECREASED (less frequent), then the wavelength will...
increase (get longer)
decrease (get shorter)
stay the same (no change)
If this bug started moving towards letter A, what would the waves look like?
The waves would be stretched out in front of the bug
The waves would be compressed in front of the bug
The waves would be compressed behind the bug
Which Galaxy is blue shifted in light?
Galaxy A
Galaxy B
Galaxy C
Which Galaxy is moving TOWARDS us?
Galaxy A because it is Red shifted
Galaxy B because it is Red shifted less than Galaxy A
Galaxy C because it is Blue Shifted in light
