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WorksheetsAstronomy Test Review
Total questions: 73
Worksheet time: 37mins
Longleaf is located at 35 degrees N, 78 degrees W. Which of these is its longitude?
35 degrees N
78 degrees W
both
neither
Which lines meet up at the poles of our Earth?
Latitude lines
Longitude lines
both of these
neither of these
The most extreme latitude that exists is how many degrees?
45
180
360
90
What is the 0 degree longitude line called?
Prime Meridian
barycenter
equator
elliptical
Distance from the equator is indicated with
latitude
longitude
Longitude lines are parallel on a sphere.
True
False
Which is always provided first when communicating a location's coordinates?
Latitude
Longitude
When did the Big Bang occur?
thousands of years ago
millions of years ago
billions of years ago
trillions of years ago
Why couldn't elementary particles stick together at the very beginning of the universe?
too cold
too far away from each other
too slow moving
too hot
The most common element in the universe is
carbon
hydrogen
oxygen
helium
The second-most-common element in the universe is
carbon
hydrogen
oxygen
helium
What is a galaxy?
a group of planets
a cloud of only gas and dust
a cluster of moons
a group of stars, plus gas and dust
Which of the following is NOT a type of galaxy shape?
quadratic
spiral
elliptical
irregular
What shape is our galaxy?
elliptical
irregular
parabolic
spiral
Some galaxies have no stars in them.
True
False
What does au stand for?
Astro Umbilical
Astronomy University
Astronomical Unit
Amphibious Universe
Right now, our Sun is primarily made of
oxygen
carbon
hydrogen
helium
An ionized gas with electrons and protons in roughly equal proportions is called what?
barycenter
plasma
corona
fusion
How long does it take for light to travel from the CORE of the Sun to the surface of the Sun?
seconds
minutes
days
years
How long does it take light to travel from the SURFACE of the Sun to the surface of the Earth?
seconds
minutes
days
years
Any time an electric charge moves from one place to another, what is created?
barycenter
precession
gravity
magnetic field
Light exhibits properties of both a particle and a wave.
True
False
The smallest possible quantity of energy that can be transported is called a/an
photon
neutron
electron
proton
Challenge Q!
"Photons have mass."
True
False
Challenge Q!
The higher the frequency of a wave, the
higher the energy
lower the energy
shorter the wavelength
longer the wavelength
What type of EM radiation has the shortest wavelength?
microwaves
infrared
visible light
gamma rays
What type of EM radiation has the longest wavelength?
radio waves
visible light
ultraviolet
infrared
Which types of EM radiation are emitted by the Sun? Choose all that apply.
radio waves
infrared
microwaves
gamma rays
X-rays
Where are the Earth's magnetic fields strongest?
the Equator
the Prime Meridian
evenly strong everywhere
the poles
In thousands of years, the north star will be Vega instead of Polaris. Why is this?
barycenter
precession
change in axis tilt
change in orbit shape
Which of the following causes us to experience seasons?
Precession
Tilt of Earth's axis
Barycenter
Solstices
There are 4 equinoxes every year.
True
False
The longest day of the year is the
vernal (spring) equinox
summer solstice
autumnal equinox
winter solstice
When one celestial body orbits another, they are actually both orbiting around the middle point of their combined mass, which is called the
precession
equinox
barycenter
obliquity point
Which of the following types of EM radiation do not make it through the Earth's atmosphere? Choose all that apply.
radio waves
visible light
gamma rays
X-rays
What is the outermost layer of the Sun?
photosphere
convection zone
corona
chromosphere
The Earth is an exact sphere.
True
False
Distances in our solar system are measured most appropriately in what unit?
Astronomical Units (AU)
light years (ly)
kilometers (km)
miles (mi)
Which of the following elements has 2 protons?
oxygen
carbon
hydrogen
helium
Which of the following has the longest wavelength?
visible light
X-rays
gamma rays
microwaves
Which of the following has the shortest wavelength?
radio waves
ultraviolet (UV)
infrared (IR)
visible light
The layer of the sun where light is finally able to escape intense density is called the
chromosphere
corona
radiation zone
photosphere
Which takes place over a larger area on the Sun?
Coronal Mass Ejections
Solar Flares
Why don't we feel the Earth moving at 110,000 km per hour around the Sun?
Gravity
The speed is constant.
We evolved under these conditions, so we are accustomed to it.
That movement is cancelled out by the movement of the solar system around our galaxy.
Reorder the following types of EM radiation
from LONGEST wavelength on the left to SHORTEST on the right.
Infrared (IR)
Ultraviolet (UV)
Reorder the following layers of the Sun from the interior (left) to the exterior (right). Yes, one layer is missing (chromosphere).
Core
Radiative Zone
Convection Zone
Photosphere
Corona
Starting in January, in what order do we experience the following events in the Northern Hemisphere?
Vernal (Spring) Equinox
Summer Solstice
Autumnal Equinox
Winter Solstice
The amount of time it takes for the Earth to rotate on its axis a single time.
one hour
one day
one week
one month
one year
The amount of time it takes for the Earth to orbit the Sun once.
one hour
one day
one week
one month
one year
The Sun has a solid surface.
True
False
Every second the Sun converts 700 million tons of hydrogen (H) into 695 million tons of Helium (He). What happens to the other 5 million tons?
It evaporates into nothingness.
It is converted into light.
It is converted into carbon (C).
It is jettisoned off into space.
What two movements cause the chaotic magnetic rivers on the Sun?
convection
changes of axis tilt (obliquity)
the solar system traveling around our galaxy
rotation on its axis
It is okay to look directly at the Sun without protective eyewear.
True
False
Storms can influence the tides.
True
False
The eccentricity of a perfect circle is 0.
True
False
The shape of a coastline can influence the tides in that area.
True
False
When did Kepler publish his Laws of Planetary Motion?
early 1400s
early 1600s
early 1800s
How many low tides are there every 24 hour period?
1
2
3
4
Tides occur at the same times in a given place every day.
True
False
The amount of time it takes for a planet to complete a single cycle around the Sun is called
orbital period
foci
ellipse
eccentricity
What kind of reaction fuels nuclear power plants?
fusion
fission
What is the shape of the pathway that planets orbit the Sun in?
quadratic
elliptical
parabolic
eccentric
A star's core contracts multiple times during its life.
True
False
Why are red giants so large?
they have more hydrogen than other stars
they are hotter than main-sequence stars
fusion has stopped
fusion is occurring farther away from the core
Kepler's First Law of Planetary Motion
Law of Equal Areas
Law of Harmonies
Law of Ellipses
Regardless of their mass, all stars experience which stages? Choose all that apply.
main-sequence
white dwarf
red giant
neutron star
protostar
How many foci are there in an ellipse?
2
3
4
5
Which two variables are plotted on the Hertzsprung-Russell diagram?
temperature
age
luminosity
distance from Earth
Orbital periods are proportional to the planet's distance from the Sun.
Law of Equal Areas
Law of Harmonies
Law of Ellipses
The greater the eccentricity, the more elongated an ellipse is.
True
False
When the Sun and Moon pull on the Earth from the same direction, what occurs?
Spring Tides
Neap Tides
Kepler's Second Law of Planetary Motion
Law of Equal Areas
Law of Harmonies
Law of Ellipses
When water moves away from shore during the transition from high to low tide, that is called the
flood current
ebb current
