WorksheetsE&S Unit 6 Review
Total questions: 47
Worksheet time: 24mins
What is the estimated age of the Milky Way and the universe?
20 Billion Years
4.6 Billion Years
100,000 Billion Years
13 Billion Years
What is the name of the cloud that a star is formed in?
Nebula / Stellar Nursery
Supernova
Main Sequence
Dwarf
When a Red Giant runs out of fuel, it become a:
Supernova
Nebula
White Dwarf
Main Sequence Star
A small White Dwarf has a diameter similar to:
The Sun
The Earth
The Moon
A basketball
What is a protostar?
A star that has died
A smaller than average star
A big, blue star that is on the main sequence of the HR diagram
A contracting mass of gas which represents an early stage in the formation of a star
What is a red giant?
It is what happens when a star begins fusing hydrogen to helium
It is a star on the main sequence of the HR diagram.
It is a star that has died and is no longer fusing any material.
What is fusion?
It is the measure of brightness of a star.
The process of merging atoms together to create energy.
It is the process of analyzing stars for what atoms they contain.
It is a description of how massive a star is.
What is a supernova?
The measure of brightness of a star.
Something that only low mass stars can do.
A star that explodes, creating a great amount of light and energy.
A neutron star is
The end phase of a massive star.
A star made up of only protons.
The type of star you have before it turns into a black hole.
fuel
In this layer of the sun, nuclear fusion takes place, providing the energy for the sun's heat and light.
The core
The radiation zone
The convection zone
The photosphere
This layer is the visible "surface" of the sun that we see.
The convection zone
The corona
The chromopshere
The photosphere
Which of these is NOT considered an interior layer of the sun?
The core
The radiation zone
The convection zone
The corona
This is the outermost layer of the sun's atmosphere that extends millions of miles into space.
The photosphere
The chromosphere
The corona
The core
On this layer, you may find sunspots
The core
The photosphere
The corona
The convection zone
These are caused by solar winds when they come in contact with the Earth's magnetic field
sunspots
aurora
solar flares
The core
In this zone, energy radiates away from the core, causing the temperature to decrease.
the core
the radiation zone
the convection zone
the chromosphere
In this zone of the sun's interior, energy moves through convection currents
the core
the radiation zone
the convection zone
the chromosphere
A very large star of high luminosity and low surface temperature. They are the phase of a star after no hydrogen is left to burn and only helium remains.
white dwarf
red giant
blue supergiant
main sequence star
What is 1 in this picture?
core
photosphere
prominence
granule
What is 9 in this picture?
core
photosphere
prominence
granule
What is 2 in this picture?
radiative zone
photosphere
prominence
sunspots
What is 3 in this picture?
radiative zone
convection zone
prominence
sunspots
It is a group of stars, dust, and gases held together by gravity.
Meteor
Galaxy
Comet
Asteroid
Which elements are most abundant in the visible universe?
Hydrogen and Carbon
Carbon and Helium
Hydrogen and Oxygen
Hydrogen and Helium
An arrangement of stars in a specific spot in the night sky is called a...
Constellation
Solar System
Galaxy
Local Group
Describe the difference between luminosity and magnitude.
Luminosity measures energy, magnitude measures brightness
Luminosity measures brightness, magnitude measures energy
Luminosity measures distance, magnitude measures time
Luminosity measures time, magnitude measures distance
Edwin hubble measured the redshift of stars and distances of galaxies to come up with which of the following hypotheses?
The universe is contracting.
The universe started with a loud noise.
The universe is expanding.
The universe will never change.
The more massive of the massive star's will rebound so hard that the core collapses and becomes ?
Supernova
Black hole
Red giant
White dwarf
What happens to spectral lines as a star is moving TOWARDS an observer?
They appear more yellow.
They appear more white.
What happens to spectral lines as a star is moving AWAY FROM an observer?
They appear more yellow.
They appear more white.
What object sits at the very center of our galaxy?
a protostar
a red hypergiant
a massive black hole
a neutron star
The explosion that sent the universe flying out is called _____.
The Big Bang
The Milky Way
The Solar System
The Sun
Since the Big Bang, and even today, the universe is still _____.
Expanding
Shrinking
Cooking
Spinning
What is the study of the origin, structure, and future of the universe is called?
Geology
Biology
Cosmology
Astronomy
Which theory is based on the idea that the universe began from the rapid inflation of space from a a single point or singularity?
Steady State
Big Bang
Oscillating
External Inflation
a galaxy that does not have a distinct regular shape
spiral galaxy
barred-spiral galaxy
lenticular galaxy
irregular galaxy
a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arm
spiral galaxy
elliptical galaxy
irregular galaxy
lenticular galaxy
barred-spiral galaxy
a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image
elliptical galaxy
irregular galaxy
spiral galaxy
barred-spiral galaxy
lenticular galaxy
The theory that the universe continues to expand forever is the:
open universe
closed universe
flat universe
oval universe
The theory that the universe will expand until a certain point, then come back to the center is:
open universe
closed universe
flat universe
oval universe
The theory that the universe will expand but slow down so much it appears to stop is:
open universe
closed universe
flat universe
oval universe
