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WorksheetsThe Universe Part 1 Review
Total questions: 38
Worksheet time: 40mins
Which of the following is evidence of the Big Bang Theory?
The universe is getting smaller
Cavemen heard a loud bang at the beginning of time
The universe isn't moving
The universe is expanding
Redshift of light from galaxies helps support which idea?
The universe is expanding
The universe is condensing
The universe is cooling
The universe is getting hotter.
Which of the following statements would be included in the big bang theory?
Choose all that apply.
The universe is condensing
The universe emerged from single spot
The universe emerged from various spots
The universe is expanding
The universe is hotter and denser now
______________ can travel through space in the form of waves.
telescopes
electromagnetic waves
observatory
Why are line emission spectra of elements called "atomic fingerprints"?
They are all the same
They are all unique
They are all similar
They all contain colored light
Based on the picture, choose the best description of how wavelength and frequency are related
As wavelength increases, frequency increases
As frequency increases, wavelength decreases
As frequency increases, wavelength remains the same
Frequency and wavelength mean the same thing
Spectroscopy can be used to study
patterns of orbiting planets.
the surface of Mercury.
star composition.
UFO's.
A ___ is used in astronomy to produce a spectrograph.
telescope
spectroscope
stethoscope
microscope
Each element on the periodic table can be identified by its
classification as a solid, liquid or gas.
location on the table.
ability to react to form compounds.
unique spectrograph.
What best describes the doppler effect?
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
When sound changes pitch
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
RED shift of light means the star is moving
toward Earth
away from Earth
not moving
BLUE shift of light means the star is moving
toward Earth
away from Earth
not moving
RED shift is proof that the universe is
expanding (getting bigger)
contracting (getting smaller)
RED shifted light has a
shorter wavelength
longer wavelength
BLUE shifted light has a
shorter wavelength
longer wavelength
The process of nuclear fusion is the energy source of all __________.
There may be more than one answer for this questions.
planets
suns
stars
plants
When hydrogen is "fused" together on the Sun, what new element is created?
Helium
Carbon Dioxide
Oxygen
Light
This type of reaction occurs on the sun and in stars.
Nuclear Fission
Nuclear Fusion
synthesis
decomposition
What are the products of a nuclear fusion reaction?
A new element
A new element plus mass
A new larger element plus energy
A new smaller element plus energy
What is the heaviest element that can be fused within a star?
Lead (Pb)
Magnesium (Mg)
Carbon (C)
Helium (He)
Iron (Fe)
The luminosity of a star describes its ______________.
brightness
temperature
age
color
What color are the coolest stars?
red
blue
white
orange
What color are the hottest stars?
blue
red
white
yellow
The types of gases that make up a star is also known as the star's _______________.
composition
temperature
size
luminosity
A tool that astronomers use to learn about the composition of a star is called a _______________.
spectroscope
luminosity
nebula
light-year
