WorksheetsThe Universe
Total questions: 55
Worksheet time: 35mins
What is an object that is so dense that light can't escape from it?
Giant
Black hole
Supergiant
Neutron Star
What galaxy do you live in and what type is it?
Sombrero, lenticular
Andromeda, irregular
Whirlpool, elliptical
Milky Way, spiral
All of the following are characteristics of circumpolar constellations EXCEPT:
they are only visible during winter
they are visible year-round
they appear to circle around Polaris
they are patterns of stars in the night sky
The longest stage in a star's life cycle and the stage our Sun is currently in can last thousands to billions of years. Which stage is described above?
white dwarf
supernova
main sequence
neutron star
What is a supernova?
A formation of a galaxy
An explosion of a high mass star when iron is produced in its core
The edge of a black hole
The core of a star after it has used up all of its fuel
This theory is supported by the existence of cosmic background radiation and the redshift in galaxies beyond the Local Group.
the Big Bang Theory
the inflationary model
the Theory of Relativity
the Theory of Evolution
Because light takes time to travel through space, we see objects as they were when the light was given out, not as they are now.
True
False
Light emitted from a star can be separated into a band of colors, called a ________, which helps identify the elements that make up the star.
Redshift
Wavelength
Spectrum
Microwave
As galaxies move away from our galaxy a shift on the electromagnetic spectrum (EMS) is noticed. This phenomena is called _____________.
redshift
blueshift
unshift
blackshift
Stars form in giant clouds of gas and dust. What are these clouds called?
Black Holes
White Dwarfs
Supernovas
Nebulas
If each ring represents 100 light years, how far away is star C from the Sun?
0 light years
100 light years
200 light years
300 light years
Which describes the location of star A correctly?
Star A is less bright than the Sun and has a surface temperature above 25,000 K
Star A is brighter than the Sun and has a surface temperature below 25,000 K
Star A is less bright than the Sun and has a surface temperature of above 11,000 K
Star A is brighter than the Sun and has a surface temperature below 11,000 K.
The majority of stars (about 90%) in our galaxy are this type.
Giants
White Dwarfs
Supergiants
Main Sequence stars
Which of these correctly identifies different objects in the universe according to their size and composition?
A nebula is larger than a galaxy, which is smaller than the universe
a solar system contains many stars, and is larger than the universe
a galaxy contains many solar systems and the universe contains many galaxies
a galaxy is bigger than a universe but smaller than a solar system
Our Sun is classified as an average star and is currently fusing hydrogen atoms into helium atoms in its core. What category does the Sun belong to on the H-R Diagram?
Main sequence
White dwarf
Red giant
Super giant
Which category of stars is hotter than the Sun?
White dwarfs
Giants
Super Giants
Which galaxy is the largest in the local group?
Milky Way
Andromeda
Triangulum
Le Gentil
All of the following are reasons why can't we visit our next-door neighbor star system EXCEPT:
We lack the technology to get there within our lifetimes.
Traveling at Voyager I speeds, 11 mi/sec, it would take 70,000 years to get there.
We can get there using faster-than-light technology.
It is too far away, we could never reach it.
How long would it take light from Proxima Centauri to reach Earth?
1 year
4.3 years
43 years
10 trillion
It takes approximately 8 minutes and 20 seconds for light from the Sun to reach Earth. Which is true about Earth's distance from the Sun?
The Sun is much less than 1 light year from Earth
The Sun is 1 light year from Earth
The Sun is 8.33 light years from Earth
What is the edge of a black hole called?
edge
event horizon
hypernova
surface
According to the H-R Diagram, what is the correct order of decreasing surface temperatures for stars?
Red, Yellow, White, Blue
Red, Yellow, Red, Yellow
Blue, White, Yellow, Red
Blue, Red, White, Yellow
Why are white dwarf stars considered to be "dead"?
because fusion of carbon atoms is taking place
because fusion has stopped
because fusion of iron is taking place
because fusion of hydrogen is taking place
____ is the apparent shift in the position of a star when viewed from two locations and is used to determine the distance to nearby stars.
apparent magnitude
absolute magnitude
parallax
redshift
The farther away galaxies are from us, the _____ it is that they moving away from us.
more uncertain
slower
faster
more unpredictable
How is the universe like rising raisin bread dough?
As the dough sits there it becomes smaller and smaller.
As the dough expands the raisins bunch up together.
As the dough contracts, it becomes ready for the oven.
As the dough expands, the raisins move farther away from each other.
In which direction are nearly all galaxies moving?
toward each other
away from each other
colliding into one another
in the direction of Earth
A student learns that the Sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim, even through a telescope.
Why do other stars look much dimmer than the Sun?
The Sun appears yellow, which is more visible than other colors.
The Sun is much closer to Earth than other stars are.
Other stars are made up of different gases than the Sun is.
As light from other stars travels through space, it gets reflected.
The Milky Way galaxy is described as a spiral galaxy. Which of these best explains why people on Earth cannot see the entire shape of the Milky Way?
Earth is a located within a spiral arm of the galaxy.
Many more stars exist outside the galaxy.
Earth is located within the galactic core.
The center of the galaxy consists of a dense cluster of stars.
Look at the H-R diagram. Which of the following stars is cool, dim and red?
Betelguse
Sirius B
Procyon B
Barnard's star
What type of galaxy is shown in this image?
spiral
elliptical
irregular
quasar
Which is an example of a Main Sequence star?
Betelgeuse
the Sun
Sirius B
Polaris
A Supergiant star will eventually turn into ____.
a neutron star or a black hole.
a red giant.
a main sequence star.
a white dwarf or a black dwarf.
Why do we have seasonal constellations?
because Earth revolves around the Sun causing certain constellations to be visible at certain times of year
because the Sun revolves around Earth causing certain constellations to be visible at certain times of year
because Earth rotates on its axis causing certain constellations to be visible at certain times of year
all constellations are visible year-round
What will the Sun become after it uses up all of its hydrogen fuel?
black hole
supergiant
white dwarf
red giant
What technology would be best for collecting and studying soil samples on another planet or moon?
rover
space probe
telescope
space station
What two types of telescopes use lenses and mirrors?
radio & infrared
reflecting & refracting
radio & reflecting
refracting & X-ray
What will happen when the Milky Way and Andromeda galaxies collide?
they will explode in the process
everything in the galaxies will be sucked into the central black holes of the galaxies
they will crash together causing mass destruction
they will merge forming a larger galaxy in the process
Which statement is true about the Universe?
The Solar System is older than the Universe.
The Universe is the same age as the Solar System.
The Universe is older than the Solar System.
The Solar System is about 13.6 billion years old.
Which letter best describes the location of the solar system in the Milky Way galaxy?
A
B
C
D
What is the correct sequence from largest to smallest?
Solar System, Milky Way, Local Group, Universe
Solar System, Universe, Milky Way, Local Group
Local Group, Milky Way, Universe, Solar System
Universe, Local Group, Milky Way, Solar System
What type of telescope can operate on Earth's surface 24/7 and in any weather conditions?
reflecting telescope
Radio telescope
Hubble Space Telescope
X-ray telescope
What's the difference between liquid and solid propelled rockets?
there's no difference between them
solid propelled rockets can't be stopped after ignition
liquid propelled rockets can't be stopped after ignition
liquid propelled rockets are used for rocket boosters and solid propelled are used for main engines
All of the following are characteristics of the Milky Way EXPEPT:
it is a spiral galaxy
it contains over 100 trillion stars
it is a member of the Local Group
it is 100,000 light years wide
What is the difference between the International Space Station and Perseverance?
ISS is a rover & Perseverance is a satellite
ISS is a telescope & Perseverance is a space probe
ISS is a space probe & Perseverance is a satellite
ISS is a satellite & Perseverance is a rover
What do these technologies have in common? Hubble, Chandra, Kepler.
they are all space based telescopes
they are all rovers on Mars
they are all ground based telescopes
they are all space probes
Look at the H-R diagram. Which of the following stars is the brightest?
Betelguse
Sirius B
the Sun
Barnard's star
What is the Local Group?
the galaxy cluster that the Milky Way belongs to
the quadrant of the galaxy that the solar system belongs to
the quadrant of the universe that the solar system belongs to
the filament that the Milky Way belongs to
Which of the following stars is brighter than the Sun?
Wolf 359
Proxima Centauri
Sirius B
Vega
Why are space probes more practical to use than sending people to distant places in the solar system?
it is more expensive to send space probes rather than sending people
it is safer to send space probes rather than people
it takes more time to send space probes rather than people
